Code Browser by Woboq for C & C++

https://code.woboq.org/


Unity3D open source search engine

https://unitylist.com/


Source graphe

https://sourcegraph.com/search


Snipplr

https://snipplr.com/


Search 75 billion lines of code from 40 million projects


https://searchcode.com/


Programmcreek

https://www.programcreek.com/scala/



Source Code Search Engine

Find any alphanumeric snippet, signature or keyword in the web pages HTML, JS and CSS code.

https://publicwww.com/



Piwik code search

https://piwikcodesearch.herokuapp.com/


Openhub

https://www.openhub.net/


Libraries.io monitors 4,282,138 open source packages across 38 different package managers, so you don't have to.

https://libraries.io/



Google open source code

https://code.google.com/


Saerch for java and javascript

https://www.codota.com/code


CSS HTML JAVSCRIPT

https://www.codeseek.co/


Reposearch is a source code search engine that helps you find implementation details, example usages or just analyze code.
It has project-scoped autocompletion, code and hit highlighting and support for any ascii based programming language.
We currently support SVN and GitHub repositories.


https://codefinder.org/


Source Code Search Engine

http://www.codase.com/


Open source software nasa

https://code.nasa.gov/



Oracle code source java

https://community.oracle.com/tech/developers/categories/13287-java


Git

https://git-scm.com/