Netdata
The free, open-source Netdata Agent gives teams comprehensive, real-time visibility into the full technology stack, yet is easy to install with no configuration necessary and no limits on scalability. Netdata Cloud brings teams and data together in one place to proactively identify, troubleshoot and resolve issues as soon as they are detected. Netdata is committed to a community-first approach, with hundreds of contributors, thousands of GitHub stargazers and millions of users worldwide.