Middleware observability platform provides complete visibility into your apps & stack, so you can monitor & diagnose issues anytime, anywhere.

experts Open Source free

An open-source systems monitoring and alerting toolkit.

experts Open Source

Logz.io provides log analysis software with alerts, role-based access, unlimited scalability and free ELK apps. Index, search & visualize your log data!

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All-in-one monitoring for Ruby on Rails applications. Track performances & errors for requests & background jobs.

assess Open Source paid Free Trial €10.0 / Monthly

Simplify website performance and uptime monitoring with alerting, ssl check, chrome ux metrics, multi locations

trial freemium $9.99 / Monthly

Complete monitoring and alerting for servers, switches, applications, and services

archive Open Source

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.

bookmark Open Source freemium €7.0 / Monthly (for a Pro subscription)