"A wicked fast source browser"

View the Project on GitHub oracle/opengrok

Some of OpenGrok users: installations


OpenGrok is a fast and usable source code search and cross reference engine. It helps you search, cross-reference and navigate your source tree. It understands various program file formats and history from many Source Code Management systems. In other words it lets you grok (profoundly understand) source code and is developed in the open, hence the name OpenGrok. It is written in Java.


Wiki pages:



OpenGrok is an open source project and is distributed under CDDL. OpenGrok uses software libraries from Apache Software Foundation. This product includes software developed by CollabNet.

OpenGrok developers Idea enterprise licenses are supported by Jetbrains.
IntelliJ IDEA can be used to edit {OpenGrok sources.

Monitoring and profiling {OpenGrok is supported by YourKit Java Profiler.