Explore HTML Hackathons 2025

Start building with HTML, CSS, and JS at beginner-friendly web development hackathons.
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IN-PERSON Simpla Mini-Hackathon!

July 14, 2016

Ended

Are you a web developer? Come and try out Simpla! There's pizza, and beer, and an awesome new dev tool -- Simpla -- that lets …

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api · industry · Sydney, New South Wales, Australia
IN-PERSON UrbanFoodTech Hackathon

June 18, 2016 - June 19, 2016

Ended

Techies and urban farming nuts! Come and collaborate in an innovation event targeting new opportunities around urban food systems -- with the goal of creating …

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big data · health · industry · non-profit · Atlanta, Georgia, United States
IN-PERSON CU HACKS 2

June 11, 2016 - June 12, 2016

Ended

CU HACKS 2 is the Cupertino Library’s FREE, overnight hack-a-thon event for teenage participants and is part of the Santa Clara County Library District’s Teen …

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Cupertino, California, United States
IN-PERSON AT&T Free WebRTC Coding Workshops, May 18, Boston - with Boston New Technology, Girl Develop It, & HTML5 Boston

May 18, 2016

Ended

Hey coders! Join the AT&T Developer Program for a free coding workshop on the AT&T Enhanced WebRTC API. These are 3-hour, hands-on coding workshops taught …

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industry · iot · Boston, Massachusetts, United States
IN-PERSON Python for Teachers: Developing Web Apps with Flask and SQLAlchemy - London

May 7, 2016

Ended

This is a free, hands-on workshop to enable participants to create a database driven web application with Flask (a microframework for Python) and SQLAlchemy (a …

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api · big data · London, England, United Kingdom
IN-PERSON Junction Asia

May 6, 2016 - May 8, 2016

Ended

Junction Asia What: A weekend long hackathon When: May 6-8th, 2016 Where: Terrada Warehouse, Tennozu Isle, Tokyo Why: To bring together developers, creators and designers …

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In-person
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

Ended

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 …

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