I recently came across something like that for opensource Java code, called `grepcode`: http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/

I recently came across something like that for opensource Java code, called `grepcode`: http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/util/HashMap.java#HashMap http://grepcode.com/file/repository.grepcode.com/java/root/j... It supports quite a big number of Java code repositories it seems. Edit: Also sourcegraph (linked in a link in a sibling post) does something similar: https://sourcegraph.com/github.com/gorilla/websocket/-/blob/client.go#L71:2 https://sourcegraph.com/github.com/gorilla/websocket/-/blob/...