Open source simulator for autonomous vehicles built on Unreal Engine / Unity, from Microsoft AI & Research
microsoft/AirSim has 18,556 GitHub stars. It gained +21 stars in the last 7 days and +39 over 17 recorded days in the last 30 days (snapshots through Oct 14, 2026).
Its biggest recent day was Oct 12, 2026, with +6 stars.
It currently ranks #14196 daily, #15169 weekly, #18370 monthly by momentum on Trending Repos; its best-ever rank is #1128.
Trending Repos first recorded it on Jun 28, 2026.
| Date | Stars gained | Total stars | Forks gained |
|---|---|---|---|
| +6 | 18,555 | +1 | |
| +2 | 18,549 | 0 | |
| +6 | 18,547 | 0 | |
| -2 | 18,541 | +3 | |
| +2 | 18,543 | 0 | |
| +4 | 18,541 | +1 | |
| +3 | 18,537 | -1 | |
| -1 | 18,534 | 0 | |
| +1 | 18,535 | +1 | |
| 0 | 18,534 | 0 | |
| +2 | 18,534 | 0 | |
| +1 | 18,532 | 0 | |
| +5 | 18,531 | 0 | |
| +3 | 18,526 | -1 |