
Hacktoberfest Hack Day Kampala x AIFest Uganda
About
Hacktoberfest Hack Day Kampala x AIFest Uganda is a hands-on open-source AI hack day bringing together developers, students, designers, researchers, and technology enthusiasts to build practical solutions for real-world challenges.
Hosted by AIFest Uganda as part of Hacktoberfest 2026, the event will focus on building with open-source AI tools and open-weight models across areas such as agriculture and climate, education, local languages, community services, developer tools, and other locally relevant challenges.
Participants will form teams, choose a challenge, build throughout the day, receive support from mentors, and present their projects at the end of the Hack Day.
Whether you are an experienced developer or just getting started with open source and AI, you are welcome to participate, learn, collaborate, and build with the community.
Bring your laptop, your ideas, and your willingness to build.
Prize Categories
2 categories- View Best Open-Source AI Project

Best Open-Source AI Project
Exclusive Hacktoberfest 2026 Winner DEV Badge & MLH Swag Bag
Build an original project that uses open-source or open-weight AI as an important part of how it works. Teams could create an agent skill, build with an open-weight large or small language model, or build or adapt an open-source model harness.
View category - View Best Use of Gemma 4
Best Use of Gemma 4
It’s time to see how much you can build with a lightweight, open model. Gemma 4 packs multimodal intelligence into an open-weights model that you can access through the Gemini API. So, what can Gemma 4 bring to your project?
- Multimodal Experience: Work with text and images to create an assistant that understands more of what users share.
- Focused AI Tools: Build a focused AI tool for learning, creativity, productivity, or your community.
- Rapid Prototyping: Experiment with an open model while using the Gemini API to move quickly from an idea to a working prototype.
Bring your idea to life… what will you build with Gemma 4 today?
View category