Open source for data and AI

748 projects · 100 relicensed

Ray license, foundation and stars

ML frameworks · Apache 2.0 (open source) · PyTorch Foundation · backed by Anyscale · 44,211 stars

GitHub

Ray is an AI compute engine. Ray consists of a core distributed runtime and a set of AI Libraries for accelerating ML workloads.

License history

LICENSE file

Apache 2.0 No license change recorded since the repository was created in 2016.

Latest release

ray-2.58.0 published Aug 23, 2026

About and history
Repository
ray-project/ray · created Oct 25, 2016
Website
ray.io
Language
Python
Foundation
PyTorch Foundation · source
Company
Anyscale · on Companies · on awards · on Mainstage · on Leaders · on marketplaces · on Paydays · on Releases · on TechConf · on Titlewave
GitHub detects
Apache-2.0
Stars per week
48 (GitHub weekly snapshots)

Weekly snapshots

Week ofStars
Nov 2, 202644,211
Oct 26, 202644,125
Oct 12, 202644,051
Oct 5, 202643,989
Sep 21, 202643,922

Changes

Stars per weekNov 5, 2026

Gains about 48 stars a week, up from 41.

Stars per weekOct 26, 2026

Gains about 41 stars a week, down from 43.

Stars per weekOct 17, 2026

Gains about 43 stars a week, up from 34.

Stars per weekOct 8, 2026

Gains about 34 stars a week, down from 71.

TrackedSep 24, 2026

Now tracked, from ray-project/ray on GitHub.