Mist.io
A secure cloud management platform for automation, orchestration, cost and usage monitoring of public and private clouds. Provides multi-cloud RBAC. Enables self service provisioning. Cost analysis and cloud spending optimization.
Port Monitor
Port Monitor is an easy tool that does website and server monitoring 24/7 every 60 seconds for free. It records uptime, performance and downtime causes.
RoRvsWild
All-in-one monitoring for Ruby on Rails applications. Track performances & errors for requests & background jobs.
TraceView
Ridiculously Detailed Application Monitoring.
openITCOCKPIT
openITCOCKPIT is a leading open source monitoring framework based on Naemon (Nagios). In addition it integrates Checkmk and Prometheus. It also offers interfaces to Icinga2, PRTG and opManager to obtain status and performance from them.
ErrorFeed
Error tracking and exception handling for developers, startups, and freelancers.
The Bug Genie
The Bug Genie is an issue tracking and project management, completely free for small teams.
Opbeat
Application monitoring for developers.
TrackJS
JavaScript Error Tracking for Modern Web Applications.
Instabug
The top apps in the world rely on Instabug for beta testing, user engagement and crash reporting.
