PDF Split and Merge (pdfsam) is an easy-to-use tool that provides functions to split and merge PDF files or subsections of them.
Sudokuki is a graphical SUDOKU game. It solves even the most difficult sudoku grids for you. It can generate a sudoku, play sudoku, and print a sudoku.
A JavaScript library for GPU accelerated HTML animations.
An SMTP server used to filter unwanted mail at the SMTP protocol level.