About OSS Radar

OSS Radar (OSS = Open-Source Software) is a daily tracker of the fastest-rising open-source AI and developer-tool repositories on GitHub. Instead of ranking by total stars (which rewards age), it ranks by star velocity: stars gained in the last 24 hours and the last 7 days. Each repo gets a one-line take on what it does and why it matters.

How it works

1. Once a day a GitHub Action queries the GitHub Search API for repos created in the last ~90 days around topics like LLMs, AI agents, MCP, RAG and vector databases, local LLMs, coding agents and DevOps, plus recently active popular repos in the same space.
2. It stores a snapshot of every repo's star count, keyed by date.
3. Star gains are computed by diffing today's snapshot against the snapshots from 1 and 7 days ago. Repos are grouped into categories using their GitHub topics and description.
4. The site is rebuilt as static pages, so it's fast and cheap to run.

About the estimates

est. means the star gain is estimated, not measured: until OSS Radar has collected enough daily snapshots for a repo, we use total stars ÷ days since creation (or extrapolate from the snapshots we do have). Estimates are replaced by measured deltas automatically as history builds up.

Who's behind it

Built by Yash Patil. Want your product in front of this audience? See sponsorship. You can also follow along via RSS.