The Sourcegraph extension adds code navigation and code intelligence to GitHub and other code hosts:
* Hovers with documentation and type information
* Go to definition
* Find references
It works for 20+ languages on public and private code on most code hosts (see below).
After you install it, try it out on any of these public repositories:
* Go: https://github.com/gorilla/mux/blob/9e1f59/mux.go or https://github.com/dgrijalva/jwt-go/pull/152/files#diff-f615844d3497ff38db57e459d6ef657bL48
* Java: https://github.com/google/guava/blob/581ba1/guava/src/com/google/common/collect/ImmutableList.java
* TypeScript: https://github.com/angular/angular/blob/a2878b/packages/benchpress/src/reporter/console_reporter.ts or https://github.com/sindresorhus/got/pull/917/files#diff-02301bc46e8b878f10e9a8339efb7de7R176
* C#: https://github.com/paiden/Nett/pull/76/files#diff-e969e1315b2cb01bab80b2860be0d87eR52
* Python: https://github.com/ageitgey/face_recognition/blob/b8fed6/examples/facerec_on_raspberry_pi.py
Usage with private code on GitHub.com, GitHub Enterprise, GitLab, Bitbucket Server, or Phabricator: https://docs.sourcegraph.com/integration/browser_extension
This extension is open source: https://github.com/sourcegraph/sourcegraph/tree/master/client/browser