Explore HTML Hackathons 2026

Start building with HTML, CSS, and JS at beginner-friendly web development hackathons.
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IN-PERSON DevCa 2016

May 5, 2016 - June 26, 2016

Ended

The DevCa (Developing Caribbean) 2016 Conference and Code Sprint is the 4th staging of an initiative by a variety of regional stakeholders including NGOs, educational …

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In-person
IN-PERSON Rise Hack

March 5, 2016 - March 6, 2016

Ended

Rise Hack is inviting girls aged 5-22, parents, women (and men) with a STEM background and are interested in inspiring the next generation, to come …

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games · London, England, United Kingdom
IN-PERSON McHacks 2016

Feb. 20, 2016 - Feb. 21, 2016

Ended

McHacks is McGill's annual hackathon, happening on Feb. 20-21 in Montreal, QC. We'll be hosting 600+ of the best hackers from top universities in Eastern …

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Montréal, Quebec, Canada
IN-PERSON SOCIAL HACKATHON (COOK and CODE)

Jan. 23, 2016

Date TBD

There will be three or four social projects/websites with a specific problem that need help solving. Participants can use the network as a playground for …

IN-PERSON Opportunity Hack 2015 Chennai

Nov. 27, 2015 - Nov. 29, 2015

Ended

Our second Annual Opportunity Hack will open at 8:00 a.m. on Nov 28th. At Opportunity Hack you can network, share ideas and build solutions that …

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 HackUCI Fall 2015

Nov. 21, 2015 - Nov. 22, 2015

Ended

This weekend, HackUCI changes Orange County forever. This is 36 hours of intense learning and building concluding in an expo of awesome tech projects. Join …

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Santa Ana, California, United States
IN-PERSON HackTrain 2.0

Nov. 20, 2015 - Nov. 28, 2015

Ended

Remember that in order to attend to the hackathon you need to apply at http://hacktrain.com HackTrain is the world's largest initiative to #HackTheRails! An unforgettable …

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London, England, United Kingdom
IN-PERSON DementiaHack Toronto 2015

Nov. 7, 2015 - Nov. 8, 2015

Ended

47 million people live with dementia worldwide – 750,000 in Canada alone – with global numbers expected to reach 75 million by 2030. Much effort …

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Toronto, Ontario, Canada
IN-PERSON Junction 2015

Nov. 6, 2015 - Nov. 8, 2015

Ended

Hackathons are all about taking something you love, combining it with tech and learning something in the process. Junction brings together hackers, designers, the best …

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Helsinki, Uusimaa, Finland

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