OPEN SOURCE PROGRAMS TIMELINE

A month-long celebration of open-source software. Run by DigitalOcean, it encourages participation in the open-source community by submitting pull requests.

Open to everyone worldwide. Beginners and experienced developers alike.

A global, online program focused on bringing new contributors into open source software development. Contributors work with an open source organization on a 12+ week programming project.

Students and beginners to open source who are 18+ years old.

Outreachy provides paid, remote internships to people newly participating in open source. Internships are for 3 months with a $7,000 USD stipend.

People subject to systemic bias or underrepresented in tech.

A platform created by the Linux Foundation to help open-source projects find, align, and onboard developers to advance community projects.

Open globally, developers looking to contribute to Linux Foundation projects.

Join the developer community in Munich (Germany) for Cloud Native Summit 2026. Call for Papers is active until 31-March-2026. Submit proposal: https://sessionize.com/cloud-native-summit-2026

Open to developers (Location: Munich (Germany))

Join the developer community in Mannheim (Germany) for DWX. Call for Papers is active until 11-January-2026. Submit proposal: https://sessionize.com/dwx-26

Open to developers (Location: Mannheim (Germany))

Join the developer community in San Francisco, CA (USA) for AI Engineer World's Fair 2026.

Open to developers (Location: San Francisco, CA (USA))

Join the developer community in Starnberg (Germany) for Automotive Oopen Source Summit 2026.

Open to developers (Location: Starnberg (Germany))

Join the developer community in Zurich (Switzerland) for Build //localhost: Zurich. Call for Papers is active until 15-June-2026. Submit proposal: https://sessionize.com/BuildLocalhostZurich

Open to developers (Location: Zurich (Switzerland))

Join the developer community in Berlin (Germany) for GITEX AI EUROPE.

Open to developers (Location: Berlin (Germany))

Join the developer community in Washington D.C. (USA) for AWS Summit Washington, D.C. Agenda.

Open to developers (Location: Washington D.C. (USA))

Join the developer community in Valbonne (France) for Azur Tech Summer 2026. Call for Papers is active until 13-March-2026. Submit proposal: https://conference-hall.io/azur-tech-summer-2026

Open to developers (Location: Valbonne (France))

Join the developer community in Paris (France) for MCP Connect Travel Edition.

Open to developers (Location: Paris (France))

Join the developer community in Sydney (Australia) for Are You Measuring the Right Things? SLOs, Toil, and the Metrics That Matter.

Open to developers (Location: Sydney (Australia))

Join the developer community in Montpellier (France) for Sunny Tech. Call for Papers is active until 01-March-2026. Submit proposal: https://conference-hall.io/sunny-tech-2026

Open to developers (Location: Montpellier (France))

Join the developer community in Falmouth (UK) for Agile On The Beach 2026. Call for Papers is active until 16-November-2025. Submit proposal: https://sessionize.com/agile-on-the-beach-2026/

Open to developers (Location: Falmouth (UK))

Join the developer community for ReactNexus in Bengaluru, India.

In-person (Location: Bengaluru, India)

Join the developer community in Opatija (Croatia) for Web Summer Camp 2026. Call for Papers is active until 28-February-2026. Submit proposal: https://sessionize.com/web-summer-camp-2026

Open to developers (Location: Opatija (Croatia))

Join the developer community in Lyon (France) for Agile Lyon 2026. Call for Papers is active until 13-March-2026. Submit proposal: https://sessionize.com/agile-lyon-2026/

Open to developers (Location: Lyon (France))

Join the developer community in Austin, TX (USA) for Perl Community Conference, Summer 2026. Call for Papers is active until 01-July-2026. Submit proposal: https://www.papercall.io/perlcommunityconferencesummer26

Open to developers (Location: Austin, TX (USA))

Join the developer community in Ciudad de Neuquén (Argentina) for HackElValle 2026. Call for Papers is active until 31-July-2026. Submit proposal: https://www.papercall.io/hackelvalle26

Open to developers (Location: Ciudad de Neuquén (Argentina))

Join the developer community in Riga (Latvia) for AI Connect. Call for Papers is active until 15-June-2026. Submit proposal: https://www.papercall.io/aiconnect

Open to developers (Location: Riga (Latvia))

Join the developer community in Oulianovsk (Russia) for Summer Merge Unconference 2026.

Open to developers (Location: Oulianovsk (Russia))

Join the developer community in Pristina (Kosovo) for Data & AI workshop. Call for Papers is active until 03-July-2026. Submit proposal: https://sessionize.com/AIworkshop

Open to developers (Location: Pristina (Kosovo))

Join the developer community in Rancagua (Chile) for PyDay Rancagua 2026. Call for Papers is active until 24-May-2026. Submit proposal: https://sessionize.com/pyday-rancagua-2026

Open to developers (Location: Rancagua (Chile))

Join the developer community in Sophia Antipolis (France) for Riviera Dev. Call for Papers is active until 08-March-2026. Submit proposal: https://conference-hall.io/riviera-dev-2026

Open to developers (Location: Sophia Antipolis (France))

Join the developer community in Online for Easy Way 365 - LearningDays Juli.2026. Call for Papers is active until 12-June-2026. Submit proposal: https://sessionize.com/easy-way-365-learningdays-marz-2026-c

Open to developers (Location: Online)

Join the developer community in Munich (Germany) for apidays Munich.

Open to developers (Location: Munich (Germany))

Join the developer community in Berlin (Germany) for WeAreDevelopers World Congress 2026 - Europe. Call for Papers is active until 16-January-2026. Submit proposal: https://sessionize.com/wearedevelopers-world-congress-2026-europe

Open to developers (Location: Berlin (Germany))

Join the developer community in Online for inside agile: Product Owner AI Day.

Open to developers (Location: Online)

Join the developer community in Beverwijk (Netherlands) for VMUGNL Summer Sessions - VCF 9. Call for Papers is active until 08-July-2026. Submit proposal: https://sessionize.com/vmugnl-summer-sessions-vcf-9

Open to developers (Location: Beverwijk (Netherlands))

Join the developer community in Pittsburgh, PA (USA) for BSidesPGH 2026. Call for Papers is active until 17-April-2026. Submit proposal: https://sessionize.com/bsidespgh-2026/

Open to developers (Location: Pittsburgh, PA (USA))

Join the developer community in Augustin (Germany) for Data Saturday Rheinland 2026. Call for Papers is active until 29-March-2026. Submit proposal: https://sessionize.com/data-saturday-rheinland-2026

Open to developers (Location: Augustin (Germany))

Join the developer community in New York, NY (USA) for Summercon 2026. Call for Papers is active until 15-May-2026. Submit proposal: https://sessionize.com/summercon-2026

Open to developers (Location: New York, NY (USA))

Join the developer community in Irving, TX (USA) for ACM Irving Tech Talk July 2026 (In-Person). Call for Papers is active until 04-July-2026. Submit proposal: https://sessionize.com/acm-irving-tech-talk-july-2026

Open to developers (Location: Irving, TX (USA))

Join the developer community in Minneapolis, MN (USA) for SciPy 2026.

Open to developers (Location: Minneapolis, MN (USA))

Join the developer community in Denver, CO (USA) for UberConf.

Open to developers (Location: Denver, CO (USA))

Join the developer community in London (UK) for National Software Testing Conference.

Open to developers (Location: London (UK))

Join the developer community in Brighton (UK) for Develop Conference.

Open to developers (Location: Brighton (UK))

Join the developer community in Orlando, FL (USA) for eduWeb Summit 2026. Call for Papers is active until 16-January-2026. Submit proposal: https://sessionize.com/eduweb-summit-2026

Open to developers (Location: Orlando, FL (USA))

Join the developer community in Las Vegas, NV (USA) for RubyConf Las Vegas 2026. Call for Papers is active until 15-March-2026. Submit proposal: https://sessionize.com/rubyconf-2026

Open to developers (Location: Las Vegas, NV (USA))

Join the developer community for Swift Rockies in Calgary, Canada.

In-person (Location: Calgary, Canada)

Join the developer community in Ouagadougou (Burkina Faso) for Grand Salon de la Data en AFrique(GSDA). Call for Papers is active until 30-May-2026. Submit proposal: https://sessionize.com/grand-salon-de-la-data-en-afriquegsda

Open to developers (Location: Ouagadougou (Burkina Faso))

Join the developer community in Pittsburgh, PA (USA) for 2026 NCCI Annual Conference. Call for Papers is active until 16-January-2026. Submit proposal: https://sessionize.com/2026-ncci-annual-conference

Open to developers (Location: Pittsburgh, PA (USA))

Join the developer community in Keynes (UK) for From Code to Insight: Agentic AI, MCP, and Automation in Practice. Call for Papers is active until 30-June-2026. Submit proposal: https://sessionize.com/from-code-to-insight-agentic-ai-mcp-a

Open to developers (Location: Keynes (UK))

Join the developer community in Orlando, FL (USA) for DroidCon.

Open to developers (Location: Orlando, FL (USA))

Join the developer community in Orlando, FL (USA) for FlutterCon.

Open to developers (Location: Orlando, FL (USA))

Join the developer community in Manila (Philippines) for Test Automation Innovation Summit | Manila. Call for Papers is active until 30-June-2026. Submit proposal: https://www.testautomationinnovationsummit.com/manila/register

Open to developers (Location: Manila (Philippines))

Join the developer community in Santiago (Dominican Republic) for JConf Dominicana 2026. Call for Papers is active until 18-April-2026. Submit proposal: https://cfp.jconfdominicana.org/jconfdominicana-2026/cfp

Open to developers (Location: Santiago (Dominican Republic))

Join the developer community in Baton Rouge, LA (USA) for Day of Data Baton Rouge 2026. Call for Papers is active until 01-May-2026. Submit proposal: https://sessionize.com/sqlsatbr26

Open to developers (Location: Baton Rouge, LA (USA))

Join the developer community in Lima (Peru) for KCD Lima Perú 2026. Call for Papers is active until 18-May-2026. Submit proposal: https://sessionize.com/kcd-lima-peru-2026

Open to developers (Location: Lima (Peru))

Join the developer community in Guayaquil (Ecuador) for AWS GenAI Security Day. Call for Papers is active until 26-June-2026. Submit proposal: https://sessionize.com/aws-genai-security-day

Open to developers (Location: Guayaquil (Ecuador))

A 36-hour hybrid hackathon at KIET Ghaziabad with an online shortlist, random problem statements, and random tech stacks. Prize Pool: 50k+ prize pool. PPI/PPO Possibility: Yes.

Open globally (Hybrid)

A student-run, non-profit 24-hour hackathon at KJSSE focused on building practical, future-facing solutions. Prize Pool: $3,281. PPI/PPO Possibility: Maybe.

In-person (Location: Mumbai)

A two-phase hybrid hackathon/ideathon at BVCOE New Delhi focused on digital trust, data accountability, and secure systems. Prize Pool: $9,000. PPI/PPO Possibility: Maybe.

Open globally (Hybrid)

North India's first major hardware hackathon at DTU with semiconductor and electronics tracks. Prize Pool: $1,167. PPI/PPO Possibility: Maybe.

In-person (Location: Delhi)

A 72-hour national-level AI-for-Bharat hackathon by JUET Guna with internship, incubation, and research exposure potential. Prize Pool: Not listed. PPI/PPO Possibility: Yes.

In-person (Location: Raghogarh-Vijaypur)

GDG TIET's flagship technical-business hackathon focused on commercially viable student-built solutions. Prize Pool: $684. PPI/PPO Possibility: Maybe.

In-person (Location: Patiala)

A 24-hour live hackathon at Phoenix, the annual techno-management fest of Future Institute of Engineering and Management. Prize Pool: $350. PPI/PPO Possibility: Maybe.

In-person (Location: Kolkata)

A 36-hour inter-college hackathon with an online screening round and an offline finale at JSS Institute. Prize Pool: $550. PPI/PPO Possibility: Yes.

Open globally (Hybrid)

A 36-hour inter-college hackathon with online screening and an offline finale at JSS Institute. Prize Pool: $325. PPI/PPO Possibility: Maybe.

Open globally (Hybrid)

An in-person AI sprint with Anthropic, Genspark, and Temasek focused on real internal workflow problems. Prize Pool: $18,200. PPI/PPO Possibility: Yes.

In-person (Location: Singapore)

A 24-hour online innovation marathon from TechSociety at Saveetha Engineering College with cash prizes and mentors. Prize Pool: ₹35,000+ cash + special category prizes. PPI/PPO Possibility: Maybe.

Open globally (Online)

A flagship national hackathon at NMIT Bengaluru with AI/ML, blockchain, cybersecurity, game dev, and IoT tracks. Prize Pool: $2,424. PPI/PPO Possibility: Maybe.

In-person (Location: Bengaluru)

An EthAum Venture Partners challenge to build a healthcare MVP with AI, with internship and commercialization potential. Prize Pool: Not listed. PPI/PPO Possibility: Yes.

Open globally (Online)

An online student hackathon at Sahrdaya College of Engineering and Technology centered on software and mobile app building. Prize Pool: Not listed. PPI/PPO Possibility: Maybe.

Open globally (Online)

A paid online sprint from MIT-WPU focused on applied AI and real-world product building. Prize Pool: Not listed. PPI/PPO Possibility: Maybe.

Open globally (Online)

A JSS Institutions hackathon with student-focused software and engineering tracks and an offline venue in Noida. Prize Pool: Not listed. PPI/PPO Possibility: Yes.

Open globally (Hybrid)

A GeeksforGeeks-backed college hackathon at NIET Greater Noida with student engineering tracks. Prize Pool: Not listed. PPI/PPO Possibility: Maybe.

In-person (Location: Greater Noida)

A BITS Pilani online hackathon centered on product management and engineering problem-solving. Prize Pool: Not listed. PPI/PPO Possibility: Maybe.

Open globally (Online)

A JSS Academy of Technical Education hackathon in Bengaluru focused on software, IT operations, and applied building. Prize Pool: 500 fee. PPI/PPO Possibility: Maybe.

In-person (Location: Bengaluru)

An online coding-focused student hackathon from R.V.R. & J.C. College of Engineering in Guntur. Prize Pool: Not listed. PPI/PPO Possibility: Maybe.

Open globally (Online)

A student hackfest at Sapkal Knowledge Hub in Nashik focused on applied AI, data science, and engineering builds. Prize Pool: Cash prize. PPI/PPO Possibility: Maybe.

In-person (Location: Nashik)

A Microsoft-hosted online hackathon with cash prizes and strong corporate visibility for student builders. Prize Pool: $5,000. PPI/PPO Possibility: Maybe.

Open globally (Online)

An online student hackathon listed by Internshala and hosted by VJIT for India-focused builders. Prize Pool: Not listed. PPI/PPO Possibility: Maybe.

Open globally (Online)

An online hackathon from Saveetha Institute of Medical and Technical Sciences with cash prizes and student participation. Prize Pool: Cash prize. PPI/PPO Possibility: Maybe.

Open globally (Online)

An Auth0-sponsored AI-agents hackathon on Devpost with beginner-friendly tracks and global reach. Prize Pool: $10,000. PPI/PPO Possibility: Maybe.

Open globally (Online)

A global healthcare AI hackathon with a large prize pool and beginner-friendly participation. Prize Pool: $25,000. PPI/PPO Possibility: Maybe.

Open globally (Online)

A Zerve AI hackathon for builders working on machine-learning and AI workflows. Prize Pool: $10,000. PPI/PPO Possibility: Maybe.

Open globally (Online)

A Devpost learning hackathon centered on spec-driven development and AI-assisted building. Prize Pool: 1 non-cash prize. PPI/PPO Possibility: Maybe.

Open globally (Online)

A beginner-friendly social-good hackathon for builders who want to ship meaningful projects fast. Prize Pool: $1,000. PPI/PPO Possibility: Maybe.

Open globally (Online)

An invite-only Devpost hackathon spanning design, fintech, and machine learning themes. Prize Pool: $5,450. PPI/PPO Possibility: Maybe.

Open globally (Online)

Join the developer community for Asynconf online. Call for Papers (CFP) is active until 2026-04-30. Submit proposal: https://cfp.asynconf.com

Open globally (Online / Virtual)

Join the developer community for ZurichJS Conf in Zurich, Switzerland. Call for Papers (CFP) is active until 2026-04-01. Submit proposal: https://conf.zurichjs.com/cfp

In-person (Location: Zurich, Switzerland)

Join the developer community for Agent Conf in Warsaw, Poland. Call for Papers (CFP) is active until 2026-06-20. Submit proposal: https://sessionize.com/agent-conf-2026

In-person (Location: Warsaw, Poland)

Join the developer community for dotJS in Paris, France.

In-person (Location: Paris, France)

Join the developer community for International JavaScript Conference NYC online.

Open globally (Online / Virtual)

Join the developer community for Jax London online.

Open globally (Online / Virtual)

Join the developer community for JavaScript & Angular Days online.

Open globally (Online / Virtual)

Join the developer community for CityJS Conference Athens in Athens, Greece. Call for Papers (CFP) is active until 2026-06-30. Submit proposal: https://docs.google.com/forms/d/e/1FAIpQLSejZUdKqdZo0fZtcqDEWOqkhTGgsnXx5KJOo5flW2E-Ej2a2A/viewform

In-person (Location: Athens, Greece)

Join the developer community for React Advanced online. Call for Papers (CFP) is active until 2026-05-24. Submit proposal: https://gitnation.com/events/react-advanced-2026/cfp

Open globally (Online / Virtual)

Join the developer community for International JavaScript Conference Munich online.

Open globally (Online / Virtual)

Join the developer community for XtremeJS Online Conference online. Call for Papers (CFP) is active until 2026-07-10. Submit proposal: https://tinyurl.com/xtreme2026

Open globally (Online / Virtual)

Join the developer community for AI Coding Summit New York Edition in New York, NY, U.S.A.. Call for Papers (CFP) is active until 2026-07-09. Submit proposal: https://gitnation.com/events/ai-coding-summit-nyc/cfp

In-person (Location: New York, NY, U.S.A.)

Join the developer community for JSNation US in New York, NY, U.S.A.. Call for Papers (CFP) is active until 2026-07-13. Submit proposal: https://gitnation.com/events/jsnation-us-2026/cfp

In-person (Location: New York, NY, U.S.A.)

Join the developer community for React Summit US online. Call for Papers (CFP) is active until 2026-07-09. Submit proposal: https://gitnation.com/events/react-summit-us-2026/cfp

Open globally (Online / Virtual)

Join the developer community for React Day Berlin online. Call for Papers (CFP) is active until 2026-08-12. Submit proposal: https://gitnation.com/events/react-day-berlin-2026/cfp

Open globally (Online / Virtual)

Join the developer community for Web Summer Camp in Opatija, Croatia.

In-person (Location: Opatija, Croatia)

Join the developer community for SciPy in Minneapolis, MN, U.S.A.. Call for Papers (CFP) is active until 2026-02-25. Submit proposal: https://pretalx.com/scipy-2026/cfp

In-person (Location: Minneapolis, MN, U.S.A.)

Join the developer community for DjangoCon US in Chicago, IL, U.S.A..

In-person (Location: Chicago, IL, U.S.A.)

Join the developer community for Global Summit on Data Science and Cloud Computing in Rome, Italy. Call for Papers (CFP) is active until 2026-10-15. Submit proposal: https://datascience.novelticsconferences.com/register

In-person (Location: Rome, Italy)

Join the developer community for XtremePython Online Conference online. Call for Papers (CFP) is active until 2026-07-10. Submit proposal: http://www.zindell.com/documents/codeofconduct.pdf

Open globally (Online / Virtual)

Join the developer community for RustConf online.

Open globally (Online / Virtual)

Join the developer community for EuroRust in Barcelona, Spain.

In-person (Location: Barcelona, Spain)

Join the developer community for betterCode() Rust online.

Open globally (Online / Virtual)

Join the developer community for droidcon USA in Orlando, FL, U.S.A..

In-person (Location: Orlando, FL, U.S.A.)

Join the developer community for next.app devcon in Berlin, Germany.

In-person (Location: Berlin, Germany)

Join the developer community for KotlinLeeds in Leeds, U.K..

In-person (Location: Leeds, U.K.)

Join the developer community for droidCon India in Bengaluru, India.

In-person (Location: Bengaluru, India)

Join the developer community for droidcon London in London, U.K..

In-person (Location: London, U.K.)

Join the developer community for iOSDevUK in Aberystwyth, U.K.. Call for Papers (CFP) is active until 2026-02-16. Submit proposal: https://www.iosdevuk.com/speakercall

In-person (Location: Aberystwyth, U.K.)

Join the developer community for swiftcon@next.app devcon in Berlin, Germany.

In-person (Location: Berlin, Germany)

Join the developer community for SwiftLeeds online.

Open globally (Online / Virtual)

Join the developer community for AI Coding Summit, London Edition online. Call for Papers (CFP) is active until 2026-04-30. Submit proposal: https://gitnation.com/events/ai-coding-summit-london/cfp

Open globally (Online / Virtual)

Join the developer community for DevOpsDays Graz in Graz, Austria. Call for Papers (CFP) is active until 2026-04-30. Submit proposal: https://pretalx.com/devopsdays-graz-2026/cfp

In-person (Location: Graz, Austria)

Join the developer community for STARWEST online.

Open globally (Online / Virtual)

Join the developer community for Future Coding Day in Copenhagen, Denmark.

In-person (Location: Copenhagen, Denmark)

Join the developer community for API Conference NYC online.

Open globally (Online / Virtual)

Join the developer community for DecOpsCon NYC online.

Open globally (Online / Virtual)

Join the developer community for Devopsdays Berlin in Berlin, Germany.

In-person (Location: Berlin, Germany)

Join the developer community for TechSummit Amsterdam in Amsterdam, Netherlands. Call for Papers (CFP) is active until 2026-05-15. Submit proposal: https://pretalx.com/techsummit-2026/cfp

In-person (Location: Amsterdam, Netherlands)

Join the developer community for swampUP Europe in Barcelona, Spain. Call for Papers (CFP) is active until 2026-05-18. Submit proposal: https://sessionize.com/swampup-europe-2026

In-person (Location: Barcelona, Spain)

Join the developer community for KubeCon + CloudNativeCon North America in Los Angeles, CA, U.S.A..

In-person (Location: Los Angeles, CA, U.S.A.)

Join the developer community for CLC in Mannheim, Germany. Call for Papers (CFP) is active until 2026-04-21. Submit proposal: https://clc-conference.eu/cfp_en.php

In-person (Location: Mannheim, Germany)

Join the developer community for API Conference Berlin online.

Open globally (Online / Virtual)

Join the developer community for DevOpsCon Munich online.

Open globally (Online / Virtual)

Join the developer community for IT Security Summit Munich online.

Open globally (Online / Virtual)

Join the developer community for IT-Tage in Frankfurt am Main, Germany. Call for Papers (CFP) is active until 2026-04-30. Submit proposal: https://www.ittage.informatik-aktuell.de/index.html

In-person (Location: Frankfurt am Main, Germany)

Join the developer community for World Conference on Smart Systems : Big Data, IoT, Cybersecurity, and IT in Action in Tokyo, Japan.

In-person (Location: Tokyo, Japan)

Join the developer community for heise devSec in Marburg, Germany. Call for Papers (CFP) is active until 2026-04-14. Submit proposal: https://heise-devsec.de/code_of_conduct.php

In-person (Location: Marburg, Germany)

Join the developer community for AMTSO Cyber Research Conference in Brussels, Belgium. Call for Papers (CFP) is active until 2026-03-31. Submit proposal: https://sessionize.com/amtso-cyber-research-conference-2026

In-person (Location: Brussels, Belgium)

Join the developer community for S2N: Storage Server Network in Berlin, Germany. Call for Papers (CFP) is active until 2026-05-04. Submit proposal: https://s2n.heise.de/cfp.php

In-person (Location: Berlin, Germany)

Join the developer community for ESPC in Amsterdam, Netherlands.

In-person (Location: Amsterdam, Netherlands)

Join the developer community for uxcon vienna online. Call for Papers (CFP) is active until 2026-02-15. Submit proposal: https://forms.cloud.microsoft/e/UJpffgFHP8

Open globally (Online / Virtual)

Join the developer community for Hatch Conference in Berlin, Germany.

In-person (Location: Berlin, Germany)

Join the developer community for Future Builders in Vienna, Austria.

In-person (Location: Vienna, Austria)

Join the developer community for Future Product Days in Copenhagen, Denmark.

In-person (Location: Copenhagen, Denmark)

Join the developer community for PUSH UX in Munich, Germany. Call for Papers (CFP) is active until 2026-10-01. Submit proposal: https://push-conference.com/#calls

In-person (Location: Munich, Germany)

Join the developer community for UX Brighton in Brighton, U.K.. Call for Papers (CFP) is active until 2026-09-04. Submit proposal: https://cal.com/dannyhope/uxbrighton

In-person (Location: Brighton, U.K.)

Join the developer community for Wey Wey Web online. Call for Papers (CFP) is active until 2026-03-31. Submit proposal: https://confeti.app/events/weyweyweb-2026

Open globally (Online / Virtual)

Join the developer community for WeAreDevelopers GmbH in Berlin, Germany.

In-person (Location: Berlin, Germany)

Join the developer community for Code Europe online. Call for Papers (CFP) is active until 2026-06-30. Submit proposal: https://forms.gle/KpaT9ix5spaVe2A59

Open globally (Online / Virtual)

Join the developer community for TechTok in St Julian's, Malta. Call for Papers (CFP) is active until 2026-04-10. Submit proposal: https://www.techtok.mt/call-for-speakers

In-person (Location: St Julian's, Malta)

Join the developer community for AWS Community Day CEE in Budapest, Hungary. Call for Papers (CFP) is active until 2026-06-08. Submit proposal: https://forms.gle/q9w6QvYC1jTHDUQU8

In-person (Location: Budapest, Hungary)

Join the developer community for WeAreDevelopers World Congress North America in San Jose, CA, U.S.A..

In-person (Location: San Jose, CA, U.S.A.)

Join the developer community for Agile Tour Vienna in Vienna, Austria.

In-person (Location: Vienna, Austria)

Join the developer community for Confitura in Warsaw, Poland. Call for Papers (CFP) is active until 2026-06-07. Submit proposal: https://app.confitura.pl/login

In-person (Location: Warsaw, Poland)

Join the developer community for GOTO Copenhagen in Copenhagen, Denmark.

In-person (Location: Copenhagen, Denmark)

Join the developer community for CTO Craft Con: Europe in Amsterdam, Netherlands.

In-person (Location: Amsterdam, Netherlands)

Join the developer community for FrontKon in Prague, Czech Republic. Call for Papers (CFP) is active until 2026-04-30. Submit proposal: https://docs.google.com/forms/d/e/1FAIpQLSesYbIDZX7-3A_hKSxfmK6DAilUXBkIR6dAHfO7BDnyEratQQ/viewform

In-person (Location: Prague, Czech Republic)

Join the developer community for Conversations Roadshow: Stockholm by CTO Craft in Stockholm, Sweden.

In-person (Location: Stockholm, Sweden)

Join the developer community for EKON | Oktober Düsseldorf in Düsseldorf, Germany.

In-person (Location: Düsseldorf, Germany)

Join the developer community for The ACS/IEEE 23rd International Conference on Computer Systems and Applications online. Call for Papers (CFP) is active until 2026-05-30. Submit proposal: https://aiccsa.net/AICCSA2026/calls.php

Open globally (Online / Virtual)

Join the developer community for Lambda World in Malaga, Spain. Call for Papers (CFP) is active until 2026-03-31. Submit proposal: https://confeti.app/events/lambda-world-2026

In-person (Location: Malaga, Spain)

Join the developer community for Heapcon in Belgrade, Serbia. Call for Papers (CFP) is active until 2026-06-01. Submit proposal: https://forms.gle/QBM1aqkL8yS4c6YM8

In-person (Location: Belgrade, Serbia)

Join the developer community for Porto Tech Hub Conference in Porto, Portugal. Call for Papers (CFP) is active until 2026-06-14. Submit proposal: https://sessionize.com/pth-2026

In-person (Location: Porto, Portugal)

Join the developer community for SpiceWorld in Austin, TX, U.S.A.. Call for Papers (CFP) is active until 2026-05-01. Submit proposal: https://sessionize.com/spiceworld-2026

In-person (Location: Austin, TX, U.S.A.)

Join the developer community for CMS Conf in Gdynia, Poland. Call for Papers (CFP) is active until 2026-04-30. Submit proposal: https://cmsconf.com/call-for-papers

In-person (Location: Gdynia, Poland)

Join the developer community for NextGen Intelligence Conference: Data, Cloud & AI online. Call for Papers (CFP) is active until 2026-10-09. Submit proposal: https://techaiconf.com/register-interest

Open globally (Online / Virtual)

Join the developer community for Software Architecture Gathering in Berlin, Germany. Call for Papers (CFP) is active until 2026-06-09. Submit proposal: https://sessionize.com/sag2026-cfp

In-person (Location: Berlin, Germany)

Join the developer community for flutterCon India in Bangalore, India.

In-person (Location: Bangalore, India)

Join the developer community for ArchConf in Clearwater, FL, U.S.A..

In-person (Location: Clearwater, FL, U.S.A.)

Join the developer community in Los Angeles, CA (USA) for AlmaLinux Day: Los Angeles. Call for Papers is active until 05-April-2026. Submit proposal: https://sessionize.com/almalinux-day-los-angeles

Open to developers (Location: Los Angeles, CA (USA))

Join the developer community in Krakow (Poland) for EuroSciPy 2026.

Open to developers (Location: Krakow (Poland))

Join the developer community in Los Angeles, CA (USA) & Online for Open Source Days.

Open to developers (Location: Los Angeles, CA (USA) & Online)

Join the developer community in Bangkok (Thailand) for Google Cloud Next Extended Bangkok 2026. Call for Papers is active until 01-July-2026. Submit proposal: https://sessionize.com/google-cloud-next-extended-bangkok-2026/

Open to developers (Location: Bangkok (Thailand))

Join the developer community in Santa Fe (Argentina) for DebConf26. Call for Papers is active until 25-May-2026. Submit proposal: https://debconf26.debconf.org/cfp/

Open to developers (Location: Santa Fe (Argentina))

Join the developer community in Nairobi (Kenya) for Ruby Conf Africa 2026. Call for Papers is active until 11-March-2026. Submit proposal: https://www.papercall.io/ruby-conf-africa-2026

Open to developers (Location: Nairobi (Kenya))

Join the developer community in Online for Python Made Easy: Interactive Workshop for Beginners.

Open to developers (Location: Online)

Join the developer community in Arlington, VA (USA) for SEI Summer Series 2026. Call for Papers is active until 12-June-2026. Submit proposal: https://sessionize.com/sei-summer-series-2026

Open to developers (Location: Arlington, VA (USA))

Join the developer community in Sofia (Bulgaria) for Beer.JS Summit 2026. Call for Papers is active until 11-April-2026. Submit proposal: https://sessionize.com/beer-js-summit-2026

Open to developers (Location: Sofia (Bulgaria))

Join the developer community in New York, NY (USA) for DevRelCon New York 2026.

Open to developers (Location: New York, NY (USA))

Join the developer community in Lincoln, NE (USA) for Nebraska.Code() 2026. Call for Papers is active until 09-January-2026. Submit proposal: https://sessionize.com/vslive_Microsoft26

Open to developers (Location: Lincoln, NE (USA))

Join the developer community in Lisbon (Portugal) for Pragma Lisbon 2026.

Open to developers (Location: Lisbon (Portugal))

Join the developer community in Moka (Mauritius) for Developers Conference 2026. Call for Papers is active until 28-February-2026. Submit proposal: https://sessionize.com/mscc-developers-conference-2026/

Open to developers (Location: Moka (Mauritius))

Join the developer community in Toronto (Canada) for bitcoin++ consensus edition.

Open to developers (Location: Toronto (Canada))

Join the developer community for TechEx Europe in Amsterdam, Netherlands.

In-person (Location: Amsterdam, Netherlands)

Join the developer community for Unhacked 360 Germany: FutureSec Summit online.

Open globally (Online / Virtual)

Join the developer community in Yerevan (Armenia) for PyData PyCon Yerevan 2026.

Open to developers (Location: Yerevan (Armenia))

Join the developer community in Lagos (Nigeria) for API Conf Lagos 2026. Call for Papers is active until 31-March-2026. Submit proposal: https://sessionize.com/api-conf-lagos-2026

Open to developers (Location: Lagos (Nigeria))

Join the developer community in Lisbon (Portugal) for ETHGlobal Lisbon Hackathon.

Open to developers (Location: Lisbon (Portugal))

Join the developer community in Hanoi (Vietnam) for Kubernetes Community Days Vietnam 2026.

Open to developers (Location: Hanoi (Vietnam))

Join the developer community in Hanoi (Vietnam) for KCD & OpenInfra Days Vietnam 2026. Call for Papers is active until 31-May-2026. Submit proposal: https://sessionize.com/kcd-and-oid-vietnam-2026/

Open to developers (Location: Hanoi (Vietnam))

Join the developer community in Durban (South Africa) for Data & AI Community Day Durban: AI Unplugged - The Maskandi Sessions. Call for Papers is active until 03-July-2026. Submit proposal: https://sessionize.com/durban-ai-maskandi

Open to developers (Location: Durban (South Africa))

Join the developer community in Da Nang (Vietnam) for Google Cloud Next Extended Da Nang 2025.

Open to developers (Location: Da Nang (Vietnam))

Join the developer community in Redmond, WA (USA) for Visual Studio Live! @ Microsoft HQ 2026. Call for Papers is active until 01-December-2025. Submit proposal: https://sessionize.com/vslive_Microsoft26

Open to developers (Location: Redmond, WA (USA))

Join the developer community in Yokohama (Japan) for ArgoCon Japan. Call for Papers is active until 12-April-2026. Submit proposal: https://events.linuxfoundation.org/kubecon-cloudnativecon-japan/co-located-events/argocon/#call-for-proposals

Open to developers (Location: Yokohama (Japan))

Join the developer community in Yokohama (Japan) for KeyCloakCon Japan. Call for Papers is active until 12-April-2026. Submit proposal: https://events.linuxfoundation.org/kubecon-cloudnativecon-japan/co-located-events/keycloakcon/#call-for-proposals

Open to developers (Location: Yokohama (Japan))