ZScreen is an open-source screen capture program that allows for region/window/full-screen screenshots. It can FTP screenshots and put the URL in your clipboard in a single keystroke. It supports automatic custom naming conventions with variables. It can also interface with image editing software.

A small, free plugin for Safari that adds keyword search to the browser’s address bar.

Vanilla is a free open-source, standards-compliant, multi-lingual, fully extensible discussion forum for the web.

concrete5 is a building material for websites. Written in PHP, using a MySQL database, and running on your live webserver, c5 makes editing websites a breeze. c5 is easy for site owners to use, flexible for developers to work with, and runs a wide variety of powerful websites.

TVShows is a Mac OS X application that automatically downloads your favourite shows. You don't need anymore to manually download torrent files, TVShows does it for you. Manage your subscriptions and preferences from within the TVShows application, and TVShows takes care of the rest: a background process is automatically launched at a regular interval to check for new episodes.

ted makes downloading TV shows easy. ted can find episodes of any TV show you like to watch. Just add your favorite shows to ted and he will search for the newest episodes and downloads them for you. ted uses bittorrent and RSS technology to get you the newest episodes as fast as possible!

HandBrake is an open-source, GPL-licensed, multiplatform, multithreaded DVD to MPEG-4 converter, available for MacOS X, Linux and Windows. Exports directly into iPhone format.

The swiss-army knife of QuickTime components. Perian is a free, open source QuickTime component that adds native support for many popular video formats.

A Free, Open Source System for Helping Track and Recover Lost and Stolen Laptops. Adeona is the first Open Source system for tracking the location of your lost or stolen laptop that does not rely on a proprietary, central service. This means that you can install Adeona on your laptop and go — there's no need to rely on a single third party. What's more, Adeona addresses a critical privacy goal different from existing commercial offerings. It is privacy-preserving. This means that no one besides the owner (or an agent of the owner's choosing) can use Adeona to track a laptop. Unlike other systems, users of Adeona can rest assured that no one can abuse the system in order to track where they use their laptop.

Thorough collection of all kinds of resources that will aid designers and developers working with Drupal-powered websites. This collection is intended to simplify your tasks and save you time when working with Drupal.

Wiki hosting providers (wiki farm), 100% free, with free domain mapping, and AdSense integration

BuddyPress will transform a vanilla installation of WordPress MU into a social network platform. BuddyPress is a set of WordPress MU specific plugins, each plugin adding a distinct new feature. BuddyPress contains all the features you’d expect from WordPress but aims to let members socially interact.

Create your own social network, quickly and easily. Elgg allows you to take full advantage of the power of social technology with elegant, flexible solutions for organisations, groups and individuals.

Vienna is a freeware, open source RSS/Atom newsreader for the Mac OS X operating system. It provides features comparable to commercial newsreaders, but both it and the source code are freely available for download.

VLC media player is a highly portable multimedia player for various audio and video formats (MPEG-1, MPEG-2, MPEG-4, DivX, mp3, ogg, …) as well as DVDs, VCDs, and various streaming protocols. It can also be used as a server to stream in unicast or multicast in IPv4 or IPv6 on a high-bandwidth network. It doesn't need any external codec or program to work.