Open Source Code Search Engine: opengrok

Official homepage:

Http://hub.opensolaris.org/bin/view/Project+opengrok

Official definition:

Opengrok is a fast and easy to useSource codeSearch and comparison engines. It helps you search, compare, and locate your sourceCodeTree. It can understand variousProgramFile Format and Version Control history, such as SCCs, RCS, CVS, and subversion. Opengrok is a tool for viewing and searching source files of opensolaris operating systems.

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 can understand varous program file formats and Version Control histories like mercurial, git, SCCs, RCS, CVS, subversion, teamware, clearcase, perforce, monotone and bazaar.

In other words it lets you grok (profoundly understand) The open source, hence the name opengrok. It is written in Java.

Opengrok is the tool used for the opensolarisSource browser and search.

Official logo:

"A wicked fast source browser"

Screenshot:

Install opengrok on Windows:

Http://lifeisbetter.in/blog/2009/05/11/install-opengrok-on-windows/

It may not be as troublesome as this guy is.

Other materials:

Http://www.dazuiniu.com/blog/2010/05/12/install-opengrok-to-read-sources.html

Piaoger has the following words:

It would be nice to build your own knowleadge system with this stuff. It would be nice to combine it with the results produced by doxygen.