Skip to main content

What is Hacktoberfest?

Hacktoberfest is a month-long celebration of open source software when everyone is encouraged to support open source communities. The CD Foundation and its projects are excited to participate for the fourth year in a row!

⚠️ Hacktoberfest 2023 is over—read our Wrap Up.

Who can contribute?

Everyone is invited to participate and contribute regardless of your background or experience! If you’re planning to contribute tag us @CDeliveryFdn on social media and use the official hashtag #hacktoberfest10

Learn More

When is it happening?

As the name suggests: Hacktoberfest happens during the month of October

  • October 1: Hacktoberfest starts!
  • October 31: Hacktoberfest ends
  • Rest of the year: Open Source contributions are always welcome

Participating CDF Projects

Each CDF projects has identified issues and guidelines to help you contribute. Click on the project logos below to learn more about them.

Sign-up to participate

Hacktoberfest registration is now open! The Hacktoberfest website offers a wealth of resources for both open source newcomers and seasoned experts.

Register Now to Participate

Will I get a T-Shirt? 👕

Digital Ocean says they are moving away from t-shirts this year, but will purchase a tree for the first 50,000 participants that complete their first PR/MR. More

hack together


If you have any questions, email

Social #hacktoberfest10

Twitter  |  LinkedIn  |  YouTube