head to head · open source
Sentry vs swift-log
Sentry has 44,806 GitHub stars, 4,857 forks, 2,265 open issues and last shipped today. swift-log has 4,050 stars, 344 forks, 26 open issues and last shipped 3 days ago. Sentry leads on adoption by 1,006% (44,806 vs 4,050 stars). Sentry is written in Python under a custom or non-standard licence; swift-log is written in Swift under Apache-2.0. Sentry has attracted 11% as many forks as stars, swift-log 8%. 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 | swift-log | |
|---|---|---|
| GitHub stars | ★ 45K | ★ 4.0K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Swift |
| Last push | 2026-09-20 | 2026-09-17 |
| Forks | ⑂ 4.9K | ⑂ 344 |
| 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 swift-log if
- You want the swift-log feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Swift
- You evaluated both and swift-log 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 swift-log
SwiftLog is the open source logging API for Swift, published by Apple under the Apache 2.0 licence, that gives libraries and applications across the Swift ecosystem a single unified, performant and ergonomic logging interface to code against.
read the full swift-log overview →
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Frequently asked questions
Is Sentry or swift-log more popular?
Sentry has 44,806 GitHub stars and swift-log has 4,050. Sentry has the larger community by that measure.
Are Sentry and swift-log free?
Both are open source. Sentry has no licence declared in this registry, and swift-log is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Sentry and swift-log?
Sentry is written in Python and swift-log in Swift. 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 swift-log?
Choose Sentry if you want the larger community (44,806 stars) or its Custom / other licence terms. Choose swift-log if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.