Andi - Andi is the next gen search engine that finally solves the spam problem.

Coverity Scan - Find and fix defects in your Java, C/C++ or C# open source project for free

Neeva - Ad-free, private search

SonarQube - SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.

You.com - You.com, the world's first open search engine platform that summarizes the web for users, with superior privacy choices, actionable results, extensible apps and personalization through preferred sources.

ReSharper - ReSharper is a productivity tool for visual studio that provides tools and features to help you manage your code.