One reason TeamCity is dubbed an "Intelligent CI server" is its approach to integration. When we say we support a tool, we mean it in every way possible. For example, support for Visual Studio projects provides automatic detection of tool versions, testing frameworks support, code coverage, static code analysis, and more.
YouTrack enables you take advantage of IDE-style intelligence to save your team lots of time on issue tracking and task management. Use smart search queries, batch issue modification and handy shortcuts. Let every team member be as productive as they can be.
CLion will take care of the routine while you focus on the important things. Knowing your code through and through, it can boost your productivity with smart and relevant code completion, full coding assistance including customizable coding styles, keymaps and various project views, and instant navigation to a symbol's declaration or usages.