epkg is a package manager which uses the Encap Package Management System, a method for flexibly handling installation and management of third-party software on a Unix system. Encap places each package in its own subdirectory, then automatically manages symlinks to their appropriate places in /usr/local. The Encap package format includes features like postinstall scripts and prerequisite checking. Other features include builtin tar/gzip extraction, optional builtin FTP and HTTP support, transaction logging, and the ability to automatically upgrade a package to the latest version.
DSWIM is a powerful informational tool for Debian's packaging system. Designed with an integrated approach it combines the functionality found in several other programs and scripts. This provides users with a centralized approach for querying the installation, allowing programmers the liberty of writing smaller and simpler code.
Installwatch is a simple utility which keeps track of which files are created and modified during the installation of a new program. It's fast and easy to use. It doesn't require a "pre-install" phase because it monitors processes while they run. Installwatch works with every dynamically linked ELF program, by intercepting system calls that cause file system alterations.
smake is a highly portable 'make' program that makes commands up to date based on rules in Makefiles and on the timestamps of the related files. It implements a complete superset of the features of the classical POSIX/Unix make program. It warns about typical misuse of dynamic macros that prevent portability of makefiles. Its automake features allow you to run scripts to automatically create rules for unknown platforms.
REOBack Backup Solution (pronounced "Ray-o-back") is a simple backup solution designed for Linux users and system administrators. It is designed to be simple to set up, and easy to use. It is great as a quick solution for those who procrastinate about backups. It supports automatic full/incremental backups of files you define, remote backups via SCP, SMB, NFS, or FTP, as well as auto deletion of old backups.
BPP (Bad Penguin Package) is a format that defines a not-so-new way of packaging software. BPP packages can be installed, removed, updated, restore, etc. You can also recreate a package from the file on your own filesystem, and if you carefully follow the documentation you can automate the process of mantaining packages. The BPP system provide all the tools to automatically download, compile, and install software in source code from the Internet diretly on your PC and assemble it into a package that can be re-distributed.
Dar is a shell command that makes backup of a directory tree and files. Its features include splitting archives over several files, DVD, CD, ZIP, or floppies, compression, full or differential backups, strong encryption, proper saving and restoration of hard links, extended attributes, file forks, Door inodes, and sparse files, remote backup using pipes and external commands (such as ssh), and rearrangement of the "slices" of an existing archive. It can run commands between slices, before and after saving some defined files or directories (for a proper database backup, for example), and quickly retrieve individual files from differential and full backups. Several external GUIs exist as alternatives to its CLI interface, like kdar, DarGUI, SaraB, etc.