Editor's pick Open source
Sentry
Capture errors, performance traces and user sessions.
What it is
The de facto standard for knowing what breaks in production: it groups errors by cause, shows the stack trace against your original source through source maps, points at the suspect commit and lets you replay the user's session.
Best for
Finding out about failures before a user reports them.
What the free plan includes
- 5,000 errors per month
- 10,000 performance spans
- 50 session replays
- 1 user in the organisation
- 30 days of retention
Free plans change often. Confirm the limits on the official page before deciding.
