Both tools have similar popularity levels, with Sentry having 44,415 stars and SigNoz having 31,735 stars on GitHub. In terms of developer contributions, Sentry has 4,781 forks, indicating strong developer engagement.

Both projects show recent activity, with Sentry last updated 3 hours ago and SigNoz 4 hours ago.

Both tools share common technology foundations, being built with JavaScript, Bash, Typescript, Python. However, they differ in their additional technology choices: Sentry uses CSS, Lua while SigNoz leverages JSX, SCSS, Golang.

Sentry has been in development longer, starting 16 years ago, compared to SigNoz which began 6 years ago. This 10.5-year head start suggests Sentry may have more mature features and established processes.

Both tools serve similar use cases in Performance Monitoring (APM). However, they also have distinct specializations: Sentry also focuses on Error Tracking while SigNoz extends into Infrastructure Monitoring, Log Management, Monitoring & Observability.

Both Sentry and SigNoz offer self-hosting capabilities, giving you full control over your data and infrastructure.