Side-by-side diff viewer, editor and merge preparer
tkdiff is a graphical front end to the diff program. It provides a side-by-side view of the differences between two text files, along with several innovative features such as diff bookmarks, a graphical map of differences for quick navigation, and a facility for slicing diff regions to achieve exactly the merge output desired.
EU-Commander is an Tcl/Tk based file manager (WinCommander like) with applications bar, favorites, mime types. Additional modules (e.g. text/picture viewer/editor) and some more are included in the package. Easy implementation of own Tcl/Tk modules.