THE TOPIC DIRECTORY

Find the right kind of open source.

Explore focused collections by use case. Each topic explains the decision to make, shows projects worth comparing, and links back to their original repositories.

22curated topicsAcross 58 project guides

BUILD

Build software

Frameworks, coding tools, data systems, and infrastructure.

8 topics

AI Models & ML

Run models locally or build machine-learning systems.

Frontend & Web Apps

Libraries and frameworks for interactive web products.

Cross-Platform Apps

Build or use applications across operating systems.

Code Editors

Editors for different coding habits and workflows.

Developer CLI

Terminal tools for coding and project operations.

Data Analytics

Query, explore, and present data.

Databases

Analytical storage for different scales.

Operating Services

Package, orchestrate, and observe services.

CREATE

Create & edit

Tools for images, video, audio, games, and documents.

5 topics

Game Development

Engines and libraries for interactive projects.

Image & Photo Workflows

Edit images, make artwork, and manage photo libraries.

Video Production

Record, cut, and convert video.

Audio & Music

Edit recordings, compose tracks, and write notation.

PDF & Documents

View, transform, and work with PDF files.

RUN

Run & organize

Software for teams, publishing, hosting, and daily work.

5 topics

Self-Hosted Software

Applications you can operate on your own infrastructure.

Team Collaboration

Coordinate conversations, documents, and meetings.

Publishing & Content

Publish sites and manage structured content.

Desktop Utilities

Practical tools for daily computer tasks.

Website Quality & Publishing Ops

Audit, validate, localize, measure, and publish trustworthy websites.

PROTECT

Protect & learn

Privacy, backups, browsers, and learning workflows.

4 topics

Backups & Sync

Keep files available and recoverable.

Browser Extensions

Change browsing behavior and reduce friction.

Security & Privacy

Protect accounts, inspect applications, and control data.

Learning & Visualization

Explore ideas with notebooks, spaced practice, and animation.

OpenAtlas topics are editorial collections inspired by public GitHub repository tags. They are not an official GitHub taxonomy. Project details and current activity should be verified in the linked repositories.