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.
TrackDuck - Visual feedback for web design and development.
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.
Valist - Automatically created staging environments for every update with a shareable link for testing
GitLab - Create, review and deploy code together with GitLab open source git repo management software | GitLab
Usersnap - Usersnap is a customer feedback software for SaaS companies that need to constantly improve and grow their products.