head to head · open source
Sentry vs FASTER
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. FASTER has 6,636 stars, 595 forks, 36 open issues and last shipped 1 months ago. Sentry leads on adoption by 575% (44,806 vs 6,636 stars). Sentry is written in Python under a custom or non-standard licence; FASTER is written in C# under MIT. Sentry has attracted 11% as many forks as stars, FASTER 9%. Sentry 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
| Sentry | FASTER | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 6.6K |
| License | Custom / other | MIT |
| Written in | Python | C# |
| Last push | 2026-09-20 | 2026-08-19 |
| Forks | ⑂ 4.9K | ⑂ 595 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Sentry if
- You weight community size — 45K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick FASTER if
- You want the FASTER feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches C#
- You evaluated both and FASTER fits your workflow better
About Sentry
Sentry is an open source debugging platform for detecting, tracing, and fixing software issues in real time. It lives in the developer infrastructure ecosystem and provides error tracking and performance monitoring across languages, frameworks, and runtime environments.
read the full Sentry overview →
About FASTER
FASTER is an open source project from Microsoft that provides a fast persistent recoverable log and key value store plus cache, implemented in C and C++. It lives in the .NET ecosystem, with a parallel C++ implementation of the key value component, and is distributed primarily through the NuGet package Microsoft.FASTER.Core. The repository carries the MIT license and the project has been in development for roughly eight years, with topics covering concurrent and multi threaded operation, hash tables, indexing, key value storage, logging, persistence, and recoverability.
read the full FASTER overview →
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Frequently asked questions
Is Sentry or FASTER more popular?
Sentry has 44,806 GitHub stars and FASTER has 6,636. Sentry has the larger community by that measure.
Are Sentry and FASTER free?
Both are open source. Sentry has no licence declared in this registry, and FASTER is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and FASTER?
Sentry is written in Python and FASTER in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Sentry or FASTER?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose FASTER if its feature set, stack or MIT licence fits better. Both are self-hostable.