243 tools · 140 open-source · 103 SaaS
The best monitoring & observability tools. Page 6 of 6.
Monitoring & observability tools 241–243 of 243, continuing the ranking by GitHub stars, growth and recent releases. The top-ranked monitoring & observability tools are on page 1.
Last updated October 3, 2026 · ranked by GitHub stars, growth and recent commits
Monitoring & observability tools 241–243 of 243
Pingdom
Monitoring & Observability
Pingdom is a website monitoring service that checks uptime and page performance from outside locations and alerts teams when a site has problems.
SaaS
Sentry
Monitoring & Observability
Sentry is an error tracking and application performance monitoring platform that helps developers find, trace and fix problems in web, mobile and backend code.
SaaS
Splunk
Monitoring & Observability
Splunk is a data platform for security and observability that collects, searches and analyzes machine data to detect threats and prevent downtime.
SaaS