Wanderlust is a mail/news management system on emacsen. It supports IMAP4rev1 (RFC2060), NNTP, POP and local message files.

OpenImageIO is a library for reading and writing images, and a bunch of related classes, utilities, and applications. Main features include:

SVNKit allows one to work with Subversion repositories and working copies. The SVNKit client features direct repository access as well as support for all high level Subversion operations available via the command-line Subversion client.

Pdsh is a high-performance, parallel remote shell utility, similar to dsh. It has built-in, thread-safe clients for rsh. Pdsh uses a "sliding window" parallel algorithm to conserve socket resources on the initiating node and to allow progress to continue while timeouts occur on some connections.

KDE systemsettings module to manage plymouth theming.