A graphical text difference analyzer
KDiff3 is a graphical text difference analyzer for up to 3 input files, provides character-by-character analysis and a text merge tool with integrated editor. It can also compare and merge directories. Platform-independant.
Bluefish is a powerful editor for experienced web designers and programmers. Bluefish supports many programming and markup languages, but it focuses on editing dynamic and interactive websites.
TEA is a text editor that provides a wide range of text-processing functions (over 100) and the syntax highlighting. There are two branches of TEA: Qt-based and GTK-based.
NoteCase is portable (Linux, Win32) hierarchical notes manager (aka outliner) coded in C++ using GTK+ toolkit. Project is inactive as of 2008/12/09, read more at: http://factoriel.blogspot.com/2008_12_01_archive.html
Babeldoc is integration tool that can plumb together data flows. It is completely configurable and scriptable. It is heavily XML biased but not exclusively so.
OCR c++ library. Include: contour recognition; vectorisation; matrix letter feature recognition; auto page segmentation and detect rotation; SS3 ASM core; XML base; web-based GUI; 99,6% printed Unicode text recognition; letter base up to 1200 letters.