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GlitchTip vs PostHog: catalog facts
GlitchTip	PostHog
Freemium Free to self-host; hosted plans are offered as subscriptions with a free option.	Freemium Free tier with no credit card; usage-based paid plans above it.
Web, Self-hosted	Web, Self-hosted
Works with existing Sentry client SDKs Error tracking, performance and uptime in one tool	Many product tools in one platform Session replay and feature flags alongside analytics
Performance monitoring is basic, without custom dashboards Fewer features than Sentry itself	Broad feature set can be complex for simple sites Self-hosting a platform of this size is demanding
Self-hosted, Hosted service	Self-hosted, Hosted service
Open source	Open source
License: MIT	License: MIT
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.