1. logsniffer is a sophisticated open source web tool for viewing, monitoring and analyzing log data.

  2. Free, online, easy-to-use, fully customizable issue tracking and agile project management tool your development team will love, by JetBrains. Our cloud or your server.

  3. Exception, uptime, and performance monitoring for Ruby.

  4. Application monitoring for developers

  5. Painless JavaScript Error Tracking

  6. Track costs and fix your serverless application.

  7. Diagnose server issues without opening 5 tabs.. All your monitoring tools, for all your servers, in one place.

  8. Don't let your users walk away in frustration.

  9. E-commerce monitoring solution to prevent an online store from losses.

  10. Record and replay web app issues. See them the way they happened to end users.

  11. Advanced error tracking & crash management solution for C/C++ applications running in every environment.

  12. Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable network applications