YouTrack - 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.
Datadog - See metrics from all of your apps, tools & services in one place with Datadog's cloud monitoring as a service solution. Try it for free.
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.
AppDynamics - Get real-time insight from your apps using Application Performance Management—how they’re being used, how they’re performing, where they need help.
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Zabbix - Track, record, alert and visualize performance and availability of IT resources