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TimescaleDB license, foundation and stars

Databases and caches · Apache License 2.0 for the core plus the Timescale License (TSL) for the tsl directory (open source) · backed by Timescale (Tiger Data) · 23,829 stars

GitHub

A time-series database for high-performance real-time analytics packaged as a Postgres extension

License history

LICENSE file
Open sourceDec 28, 2018

Apache 2.0 to Apache License 2.0 for the core plus the Timescale License (TSL) for the tsl directory

TimescaleDB kept its core under Apache 2.0 but put new tsl directory features under the source-available Timescale License.

Latest release

No GitHub releases published; the project releases elsewhere (tags or its own site).

About and history
Repository
timescale/timescaledb · created Mar 7, 2017
Website
tigerdata.com
Language
C
Foundation
None; run by Timescale (Tiger Data)
Company
Timescale (Tiger Data) · on Companies
GitHub detects
NOASSERTION (a custom or multi-license file; the license above is read from the file itself)
Stars per week
40 (GitHub weekly snapshots)

Weekly snapshots

Week ofStars
Nov 2, 202623,829
Oct 26, 202623,773
Oct 12, 202623,714
Oct 5, 202623,666
Sep 21, 202623,587

Changes

Stars per weekNov 8, 2026

Gains about 40 stars a week, up from 37.

Stars per weekOct 29, 2026

Gains about 37 stars a week, down from 42.

Stars per weekOct 18, 2026

Gains about 42 stars a week, up from 40.

Stars per weekOct 9, 2026

Gains about 40 stars a week.

RelicensedSep 25, 2026

Relicensed from Apache 2.0 to Apache License 2.0 for the core plus the Timescale License (TSL) for the tsl directory.

TrackedSep 25, 2026

Now tracked, from timescale/timescaledb on GitHub.