head to head · open source
Metabase vs sentinl
Metabase has 50,114 GitHub stars, 6,968 forks, 4,346 open issues and last shipped yesterday. sentinl has 1,319 stars, 290 forks, 22 open issues and last shipped 10 months ago. Metabase leads on adoption by 3,699% (50,114 vs 1,319 stars). Metabase is written in Clojure under a custom or non-standard licence; sentinl is written in JavaScript under Apache-2.0. Metabase has attracted 14% as many forks as stars, sentinl 22%. Metabase was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Metabase | sentinl | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 1.3K |
| License | Custom / other | Apache-2.0 |
| Written in | Clojure | JavaScript |
| Last push | 2026-11-02 | 2026-01-21 |
| Forks | ⑂ 7.0K | ⑂ 290 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Metabase if
- You weight community size — 50K stars and counting
- You want the Custom / other license terms
- Your stack matches Clojure
- You value the larger contributor base for long-term maintenance
pick sentinl if
- You want the sentinl feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches JavaScript
- You evaluated both and sentinl fits your workflow better
About Metabase
Metabase Metabase is the easy, open source way for everyone in your company to ask questions and learn from data. Get started The easiest way to get started with Metabase is to sign up for a free trial of Metabase Cloud. You get expert support, backups, upgrades, an SMTP server, SSL certificate, SoC2 Type 2 security auditing, and more (plus your money goes toward improving a major open source project). Check out our quick overview of cloud vs self hosting. If you need to, you can always switch to self hosting Metabase at any time (or vice versa). Key Features Set up in five minutes (we're not kidding), or have…
read the full Metabase overview →
About sentinl
SENTINL is looking for a Community! Interested in helping continue/maintain/extend/document/test the SENTINL open source project? Contact us or open an Issue, we'd love to have you onboard! Siren Investigate & Kibana Alerting & Reporting App Watching your data, 24/7/365. SENTINL extends Siren Investigate and Kibana with Alerting and Reporting functionality to monitor, notify and report on data series changes using standard queries, programmable validators and a variety of configurable actions Think of it as a free an independent "Watcher" which also has scheduled "Reporting" capabilities (PNG/PDFs snapshots)…
read the full sentinl overview →
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Frequently asked questions
Is Metabase or sentinl more popular?
Metabase has 50,114 GitHub stars and sentinl has 1,319. Metabase has the larger community by that measure.
Are Metabase and sentinl free?
Both are open source. Metabase has no licence declared in this registry, and sentinl is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Metabase and sentinl?
Metabase is written in Clojure and sentinl in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Metabase or sentinl?
Choose Metabase if you want the larger community (50,114 stars) or its Custom / other licence terms. Choose sentinl if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.