BugHerd - BugHerd: The Website Feedback Tool for Agencies
ZenHub - ZenHub is how the world's best software teams work together. Trusted by NASA, Docker, and Rackspace. Start free today!
Bugfender - Cloud logging for your apps, not only crashes matter
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.
Bird Eats Bug - Saw a bug? Send an instant replay to engineers. It will come with console logs and everything. Developers will ❤️ you.
Atlassian JIRA - Atlassian JIRA is a project management and tracking software for the business users, developers, programmers, etc.