OpenGrok Alternatives

With FishEye you can search code, visualize and report on activity and find for commits, files, revisions, or teammates across SVN, Git, Mercurial, CVS and Perforce.

Sourcegraph is a free, self-hosted code search and intelligence server that helps developers find, review, understand, and debug code. Use it with any Git code host for teams from 1 to 10,000+.

Best web-based IDE-like source code browsing and search tool

Krugle is the complete enterprise solution for search targeted to the development organization. 

Provides a fast, easy to install and use search engine for text but, mostly for source code.

Open HUB is an open source directory that anyone can edit.

zGrepCode.com is your helper to browse open source code online.

Hound is an extremely fast source code search engine. 

OctoLinker is a browser extension for Chrome, Firefox and Opera which allows you to navigate...

Source Insight is a programming editor & code browser with built-in live analysis for C/C++, C#, Java, and more; helping you understand large projects.

GrepCode.com is a code search engine built by developers for developers to search and browse open...

Snip2Code is a free service that lets users search, share and collect code snippets, the basic...