Coherent PDF Command Line Tools is a set of professional command line tools for manipulating PDF files. Split, merge, linearize, scale, rotate, crop, encrypt, decrypt, watermark, bookmark, annotate, attach, impose, etc. A full manual is provided.
A rescue CD based on Gentoo amd64/i686 supporting nilfs2 and btrfs.
A content management system that excels at community, portal, and Web application sites.