e/Tkdiff

Information
has gloss	eng: tkdiff is a graphical diff viewer based on the Tk framework. It is capable of inter-operating with source-control systems like CVS and Subversion to show the differences between the local copy and the repository version. Such a line-by-line comparison is often considered to be good software engineering practice before committing code changes.
lexicalization	eng: tkdiff
instance of	c/Free file comparison tools

Media
media:img	Tkdiff screenshot.png