In addition to FOSS I have commercial PDF comparison products, in particular:
- DiffPDF for Windows an easy-to-use GUI application, and
- comparepdfcmd for Windows a command line/console tool ideal for scripting and testing use.
A SameGame/TileFall-like game. (Windows 64-bit binary 3.5MB .zip.)
XindeX is an easy to learn and use GUI application for creating, editing, and outputting indexes (e.g., for books).
This has been tested on Windows and Linux and is written in Python 3 (>=3.6) using PySide 1 (Qt 4.8).
The Python standard library includes the
difflib module which has an excellent sequence matcher to find and report the differences between two sequences (e.g., between two sequences of lines). I’ve ported a version of this functionality to