head to head · open source
Sentry vs pcm
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. pcm has 3,331 stars, 528 forks, 69 open issues and last shipped 4 days ago. Sentry leads on adoption by 1,245% (44,806 vs 3,331 stars). Sentry is written in Python under a custom or non-standard licence; pcm is written in C++ under BSD-3-Clause. Sentry has attracted 11% as many forks as stars, pcm 16%. Sentry was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (monitoring), so they are genuine substitutes rather than adjacent tools.
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 | pcm | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 3.3K |
| License | Custom / other | BSD-3-Clause |
| Written in | Python | C++ |
| Last push | 2026-09-20 | 2026-09-16 |
| Forks | ⑂ 4.9K | ⑂ 528 |
| 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 pcm if
- You want the pcm feature set and don't need the biggest community
- You prefer the BSD-3-Clause license terms
- Your stack matches C++
- You evaluated both and pcm 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 pcm
Intel® Performance Counter Monitor (Intel® PCM) is a BSD 3 Clause licensed C++ API and command line toolset from Intel for monitoring the performance and energy metrics of Intel® Core™, Xeon®, Atom™ and Xeon Phi™ processors.
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Frequently asked questions
Is Sentry or pcm more popular?
Sentry has 44,806 GitHub stars and pcm has 3,331. Sentry has the larger community by that measure.
Are Sentry and pcm free?
Both are open source. Sentry has no licence declared in this registry, and pcm is licensed under BSD-3-Clause. Both are free to self-host.
What is the difference between Sentry and pcm?
Sentry is written in Python and pcm 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 pcm?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose pcm if its feature set, stack or BSD-3-Clause licence fits better. Both are self-hostable.