AnalyzeID
Find Other Websites Owned By The Same Person
Code Finder
The ultimate search engine for finding GitHub repositories
grep.app
Searches code from the entire github public repositories for a given specific string or using regular expression.
NerdyData
Search engine for source code.
PublicWWW
publicwww.com
Reposearch
codefinder.org
SearchCode
Help find real world examples of functions, API's and libraries across 10+ sources.
Sourcebot
Index thousands of repos on your machine and search through them in a fast, powerful, and modern web interface.
SourceGraph
Search code from millions of open source repositories.