The lzlib compression library provides in-memory LZMA compression and decompression functions, including integrity checking of the decompressed data. The compressed data format used by the library is the lzip format. The lzip file format is designed for long-term data archiving. It is clean, provides very safe 4-factor integrity checking, and is backed by the recovery capabilities of lziprecover.
prsync provides a solution for backups that is easy to configure, simple to maintain, and based on rsync. You can can specify how often to backup (daily, weekly, monthly, or yearly) and how much is needed from each of these periods. Backups from a local computer to a remote computer, remote to local, and local to local are possible. prsync will also take care of the old backups.
DeltaRPM is a tool that generates RPMs that contains the difference between an old and a new version of an RPM. This makes it possible to recreate the new RPM from the deltarpm and the old one. You don't have to have a copy of the old RPM, as it can also work with installed RPMs. The package also contains tools for creating and applying delta ISOs.
PIVIAU is a PHP/MySQL Web based gallery for pictures, videos, and audio that supports tags and EXIF. Albums and pictures have searchable tag, country, city, place, date, subject, and author. An RSS feed is available for every seach you can do, or for recent pictures. There is an AJAX-powered slideshow. Pictures are resized using PHP GD image functions. Videos are viewable a la Google Video using a video flash player. Audio (WAV and MP3) is supported via the embed HTML tag. EXIF is supported via PHP exif functions to extract the picture date.
osarchiver (Operating System Archiver) creates CD/DVD backup images, useful for operating system disaster recovery. It features compact size, utilization of already-present operating system functionality, multiple Red Hat version compatibility, multi-volume capability, parallel compression, and hardware flexibility.
Sshbak is very simple but powerful and secure remote backup utility. It performs a fast and comprehensible daily (usually) backup of multiple machines via remote SSH connections. The result is a simple set of tar+gzip files. It supports the backup of piped program output (allowing remote backup of mysqldump or pg_dumpall results), parallel backup of different machines, and more.