Open source for data and AI

Projects749Relicensed100

749 projects · 100 relicensed

Mimir license, foundation and stars

Databases and caches · AGPL v3 (open source) · backed by Grafana Labs · 5,271 stars

GitHub

Grafana Mimir provides horizontally scalable, highly available, multi-tenant, long-term storage for Prometheus.

License history

LICENSE file
Open sourceAug 5, 2021

Apache 2.0 to AGPL v3

Mimir began as an AGPLv3 fork of the Apache-licensed Cortex, announced publicly in March 2022.

AnnouncementLICENSE commit ↗

Latest release

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

More in databases and caches

Apache 2.0115k starssupabaseThe Postgres development platform.Supabase · +646 a weekGPL v3Unverified81.3k starsnetdataThe fastest path to AI-powered full stack observability, even for lean teams.+88 a weekRSALv2 or SSPL or AGPL v377.2k starsRedisFor developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.Redis · +122 a week · 8.10.2, Sep 17, 2026 · relicensed May 2025Apache 2.067k starsprometheusThe Prometheus monitoring system and time series database.+125 a weekn8n Sustainable Use License 1.065.4k starsNocoDBA Free & Self-hostable Airtable Alternative.NocoDB · +58 a week · 2026.10.1, Oct 29, 2026 · relicensed Jan 2026Apache 2.050.8k starsClickHouseClickHouse is a real-time analytics database management system.ClickHouse · +125 a week · v26.9.2.8-stable, Sep 22, 2026Apache 2.040.7k starstidbTiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search.+22 a weekBSD 3-Clause39.5k starsleveldbLevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.Google · +12 a week
ProjectStars
supabaseThe Postgres development platform.SupabaseApache 2.0115k
netdataUnverifiedThe fastest path to AI-powered full stack observability, even for lean teams.GPL v381.3k
RedisFor developers, who are building real-time data-driven applications, Redis is the preferred, fastest, and most feature-rich cache, data structure server, and document and vector query engine.RedisRSALv2 or SSPL or AGPL v377.2k
prometheusThe Prometheus monitoring system and time series database.Apache 2.067k
NocoDBA Free & Self-hostable Airtable Alternative.NocoDBn8n Sustainable Use License 1.065.4k
ClickHouseClickHouse is a real-time analytics database management system.ClickHouseApache 2.050.8k
tidbTiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search.Apache 2.040.7k
leveldbLevelDB is a fast key-value storage library written at Google that provides an ordered mapping from string keys to string values.GoogleBSD 3-Clause39.5k
About and history
Repository
grafana/mimir · created Jul 13, 2021
Website
grafana.com/oss/mimir
Language
Go
Foundation
None; run by Grafana Labs
Company
Grafana Labs · on Companies · on advisories · on awards · on blogs · on breaches · on calendar · on Rounds · on Downtime · on Leaders · on Paydays · on problems · on quadrant · on Releases · on salaries · on socials · on standards · on terms · on Titlewave
GitHub detects
AGPL-3.0
Stars per week
6 (GitHub weekly snapshots)

Weekly snapshots

Week ofStars
Nov 2, 20265,271
Oct 19, 20265,261
Oct 12, 20265,255
Sep 28, 20265,248
Sep 21, 20265,238

Changes

Stars per weekOct 16, 2026

Gains about 6 stars a week, down from 10.

Stars per weekOct 4, 2026

Gains about 10 stars a week.

RelicensedSep 25, 2026

Relicensed from Apache 2.0 to AGPL v3.

TrackedSep 25, 2026

Now tracked, from grafana/mimir on GitHub.