Social Source Commons

BackupPC is a high-performance, enterprise-grade system for backing up Linux, WinXX and MacOSX PCs and laptops to a server's disk. BackupPC is highly configurable and easy to install and maintain.

Coda is a powerful web development application for Mac OS X, developed by Panic.

Previously Smultron, Fraise is a fork of the amazing open-source code editor for OSX

GPG Suite includes GPG for Mail, GPG Keychain, GPG Services, and MacGPG

GPG for Mail is an open source plugin for Apple Mail. Encrypt, decrypt, sign and verify mails using OpenPGP with a few simple clicks.

GPG Keychain is an open source application for Mac OS X. It allows you to manage your OpenPGP keys. Create and modify your keys and import the keys of your friends from a key server.

GPG Services is a plugin that brings GPG power to almost any application.
It allows you to encrypt/decrypt, sign/verify and import keys from text selections, files, folders and much more.

MacGPG is the underlying power engine of our GPG Suite. If you're familiar with the command line use the raw power of it.
Based on GnuPG 2.0.20.

Apple's music player

A FUSE-Compliant File System Implementation Mechanism for Mac OS X

NeoOffice is a fully-featured set of office applicationsfor Mac OS X. Based on the OpenOffice.org office suite

Diagramming and flow-chart software for Mac OS X.

Viewing, editing and annotating PDF and image files, including PDF, JPG, GIF, HDR, TIFF, PSD, PICT, PNG, BMP, RAW, SGI, and DAE, importing images from scanners and cameras and taking screen shots. Part of the basic Apple software package.

Blackens out your desktop so that you concentrate on what you need to get done.

UnCoverIt 2 creates covers for your disks, files, and folders, for your iTunes playlists and your iPhoto photo albums.

Visor is a plugin for the Mac OSX Terminal that makes it a dropdown HUD that you can access via a keyboard shortcut (quake-style).