Explore Open Hackathons 2025

Open hackathons welcome creators of all backgrounds, skills, and ideas to collaborate freely.
Explore Open hackathons online and in-person
IN-PERSON Opportunity Hack 2015 Bangalore

Nov. 27, 2015 - Nov. 29, 2015

Ended

Our second Annual Opportunity Hack will open at 9:00 a.m. on Nov 28th. At Opportunity Hack you can network, share ideas and build solutions that …

IN-PERSON TechLab: Java Game Design Hackathon

Nov. 20, 2015

Ended

Java Game Design Hackathon will be building games with an open-source Java library. Students of all ages and skill levels are welcome to attend!

Read more
big data · games · Saratoga, California, United States
IN-PERSON HackRPI

Nov. 14, 2015 - Nov. 15, 2015

Ended

Come hack with us! HackRPI is the first intercollegiate hackathon series hosted at Rensselaer Polytechnic Institute, completely organized and run by RPI students. We will …

Read more
Troy, Alabama, United States
IN-PERSON AstonHack

Nov. 7, 2015 - Nov. 8, 2015

Ended

The Aston Computer Science Society is launching AstonHack, a student Hackathon to form part of the annual Major League Hacking (MLH) league. What is an …

Read more
Birmingham, England, United Kingdom
IN-PERSON Unearthed Melbourne 2015

Nov. 6, 2015 - Nov. 8, 2015

Ended

Software developers, data scientists, engineers, UX designers, entrepreneurs, and industry insiders in and around Melbourne, Australia! Participate in Unearthed Melbourne 2015, a 54-hour open innovation …

Read more
energy · industry · iot · Melbourne, Victoria, Australia
IN-PERSON Waterloo CodeFest

Oct. 24, 2015 - Oct. 25, 2015

Ended

The City of Waterloo is committed to being an open, transparent and accountable government. Hosting a hackathon is just one of the ways we can …

Read more
Waterloo, Ontario, Canada
IN-PERSON Educathon - Semaine de l'innovation publique

Oct. 17, 2015

Ended

Hack open data

Read more
big data · non-profit · Paris, Île-de-France, France
ONLINE Meteor Global Distributed Hackathon

Oct. 9, 2015 - Oct. 12, 2015

Ended

Welcome Meteor developers! If you were with us on Meteor Day last year, you remember the excitement as we celebrated the release of Meteor 1.0. …

IN-PERSON SendGrid Internal Hackathon 2015

Aug. 10, 2015 - Aug. 11, 2015

Ended

Schedule: Time Activity 9:00am Doors Open & Breakfast (Provided) 10:00 - 11:30am Opening Announcements & Technology Demos 11:30 - 12:30pm Team Formation & Lunch (Provided) …

Read more
United States
IN-PERSON HackIndia

July 18, 2015 - July 19, 2015

Ended

HackIndia is India's largest hackathon yet, and it's bringing together an amalgamation of passionate developers, designers, and entrepreneurs. Hosted by Bangalore's PES University, and sponsored …

Read more
Bengaluru, Karnataka, India

Get ahead in innovation - receive all the latest hackathons directly in your inbox.

Subscribe