OpenGrok Alternatives

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+.

Open Source

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.

The most intuitive platform to manage projects and teamwork

Visit website paid Free Trial $14.0 / Monthly (per seat)

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

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

Create, review and deploy code together with GitLab open source git repo management software | GitLab

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

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

Find the code you need faster

freemium

Originally founded as a project to simplify sharing code, GitHub has grown into an application used by over a million people to store over two million code repositories, making GitHub the largest code host in the world.

Open Source

Hound is an extremely fast source code search engine. 

LXR Cross Referencer, usually known as LXR, is a general-purpose source code indexer and cross-referencer that provides web-based browsing of source code, with links to the definition and usage of any identifier

Powerful code search for large codebases.

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.