replacing Sentry (hosted)
Application error tracking and performance monitoring — Sentry (hosted) pricing: $26-$80/month. Below: 2 free, self-hostable open source projects that cover the same ground, ranked by real GitHub adoption.
There are 2 open source Sentry (hosted) alternatives tracked on this registry, against Sentry (hosted) pricing of $26-$80/month. The most-adopted is Sentry with 44,792 GitHub stars, written in Python. Together the set has 54,167 stars across 2 languages and 0 licences. All 2 are free to self-host with no licence fee, and 2 of 2 received a commit in the last 90 days. 2 head-to-head Sentry (hosted) comparisons are available.
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.
NOASSERTION · Python · Sentry (hosted) vs Sentry →
Highlight is an open-source, full-stack monitoring platform for modern web applications. It lives in the Infrastructure & Operations / Monitoring & Observability ecosystem, and its repository lists TypeScript, Golang, APM, metrics, tracing, and self-hosted as topics.
NOASSERTION · TypeScript · Sentry (hosted) vs Highlight →
Real-time error tracking and performance monitoring
Real-time observability for modern web applications
last updated nightly · ranking method: github stars, live-tracked
Sentry is the most-starred open source alternative to Sentry (hosted) in this registry, with 44,792 GitHub stars. 2 alternatives are compared here in total.
Yes. Every project listed on this page is open source and free to self-host — there is no licence fee. Some projects also sell a managed hosted version, but the self-hosted path costs nothing.
Compare licence terms, community size (stars), primary language and release activity. A fast-moving project with a compatible licence and an active maintainer base matters more than raw star count when you are committing to a migration.