[dman]

Opengrok supports C/C++.

[attfarhan]

Code search on Sourcegraph Server is actually language agnostic.

Here's an example of a C++ search query: https://sourcegraph.com/search?q=repo:google/leveldb+FilterB...

[dman]

Opengrok implements hyperlinking for C/C++ code which is the primary productivity multiplier since it allows you to easily jump around callgraphs. That functionality is sorely missing here (unless i am missing this feature somehow).