head to head · open source
Sentry vs NebulaLogger
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. NebulaLogger has 962 stars, 241 forks, 92 open issues and last shipped today. Sentry leads on adoption by 4,558% (44,806 vs 962 stars). Sentry is written in Python under a custom or non-standard licence; NebulaLogger is written in Apex under MIT. Sentry has attracted 11% as many forks as stars, NebulaLogger 25%. 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 | NebulaLogger | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 962 |
| License | Custom / other | MIT |
| Written in | Python | Apex |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 4.9K | ⑂ 241 |
| 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 NebulaLogger if
- You want the NebulaLogger feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Apex
- You evaluated both and NebulaLogger 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 NebulaLogger
NebulaLogger is an open source, MIT licensed observability and unified logging framework built natively on the Salesforce platform for Salesforce developers, administrators, and architects who need to capture, tag, mask, and review log data without leaving their org.
read the full NebulaLogger overview →
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Frequently asked questions
Is Sentry or NebulaLogger more popular?
Sentry has 44,806 GitHub stars and NebulaLogger has 962. Sentry has the larger community by that measure.
Are Sentry and NebulaLogger free?
Both are open source. Sentry has no licence declared in this registry, and NebulaLogger is licensed under MIT. Both are free to self-host.
What is the difference between Sentry and NebulaLogger?
Sentry is written in Python and NebulaLogger in Apex. 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 NebulaLogger?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose NebulaLogger if its feature set, stack or MIT licence fits better. Both are self-hostable.