searchcode | source code search engine

• http://www.boyter.org/category/searchcode/
• https://searchcodeserver.com/
• https://github.com/
• https://bitbucket.org/
• https://code.google.com/
• https://codeplex.com/
• http://sourceforge.net/
• https://fedoraproject.org/
• https://gitlab.com/