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DEV Hacktoberfest Challenges

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Hacktoberfest Open-Source AI Challenge: Week 4

Challenge 5 of 5 in our Hacktoberfest DEV Challenges. One prompt, a new theme every week.

Ends in 2 days

Upcoming Challenges

More Hacktoberfest challenges coming soon!

Previous Challenges

Hacktoberfest Open-Source AI Challenge: Week 3

Winners announced soon!

Hacktoberfest Open-Source AI Challenge: Week 2

See the winners from the Side Hustle prompt

Hacktoberfest Open-Source AI Challenge: Week 1

See the winners from the Touch Grass prompt

Hacktoberfest Weekend Challenge: Build for a Friend

See the winners from the Build for a Friend prompt

2025 Hacktoberfest Writing Challenge

See the winners from the Maintainer Spotlight - Share Your Project, Contribution Chronicles - Share Your Impact and Open Source Reflections prompts

Hacktoberfest Writing Challenge

See the winners from the Maintainer Experience and Contributor Experience prompts