Sentry

Sentry is a software company that provides application performance monitoring and error tracking for developers. It helps teams identify, triage, and fix crashes and performance issues in real-time across various platforms and languages.

• Founded in 2011 by David Cramer and Chris Jennings.
• Offers both open-source and cloud-hosted versions of its error tracking platform.
• Supports a wide range of programming languages including JavaScript, Python, Ruby, and Java.
• Acquired by New Relic in 2020 for approximately $2.3 billion.
• Provides features like distributed tracing, release tracking, and performance monitoring.

Sentry is an application monitoring platform best known for real-time error and exception tracking for software developers. It started as an open-source project and has grown into a commercial SaaS company offering performance monitoring, release tracking, and observability tools across many languages and frameworks.

• Originally created as an open-source error tracking tool by David Cramer around 2010.
• Headquartered in San Francisco, with Milin Desai serving as CEO in recent years.
• Provides SDKs for many languages and frameworks including JavaScript, Python, Ruby, PHP, Java, Go, .NET, iOS, and Android.
• Expanded beyond error monitoring into performance monitoring, session replay, profiling, and cron/check-in monitoring.
• Source code is publicly available under a Business Source License (BSL), and they offer both self-hosted and cloud-hosted (sentry.io) options.