D3 is a small, free JavaScript library for manipulating HTML documents based on data. D3 can help you quickly visualize your data as HTML or SVG, handle interactivity, and incorporate smooth transitions and staged animations into your pages. You can use D3 as a visualization framework (like Protovis), or you can use it to build dynamic pages (like jQuery)....

Bundler is a tool that manages gem dependencies for your ruby application. It takes a gem manifest file and is able to fetch, download, and install the gems and all child dependencies specified in this manifest. It can manage any update to the gem manifest file and update the bundle's gems accordingly. It also lets you run any ruby code in context of the bundle's gem environment....

Mule is an ESB (Enterprise Service Bus) and integration platform. It is a scalable, highly distributable object broker that can seamlessly handle interactions with services and applications using disparate transport and messaging technologies.

Astrid is a task recording and organizing program for Google's Android platform that is built with your productivity in mind. Astrid's goal is not to be the most feature-complete task organizer, but to be the most simple solution that helps you stay productive. ...

The 960 Grid System is an effort to streamline web development workflow by providing commonly used dimensions, based on a width of 960 pixels.

The 12 column grid is divided into portions that are 60 pixels wide. The 16 column grid consists of 40 pixel increments. Each column has 10 pixels of margin on the left and right, which create 20 pixel wide gutters between columns....

Subtext is a personal blog publishing platform that focuses on usability, elegance, and simplicity. If you've ever caught yourself throwing your hands in the air and declaring that you're going to write your own blogging engine, then Subtext is for you....

Domain Technologie Control (DTC) is a GPL control panel for hosting. Using a web GUI for admin and accounting all hosting services, DTC can delegate the task of creating subdomains, email, and FTP accounts to users for the domain names they own. DTC manages a MySQL database containing all the hosting information. It has support for many programs (bind 8 and 9 and compatibles, MySQL, Apache 1.3, php4, qmail, postfix 2, courier, dovecot, proftpd, webalizer, mod-log-sql, etc.) through config files and/or MySQL plugins (when the service is non-critical)....

The Jakarta-ORO Java classes are a set of text-processing Java classes that provide Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions, and utility classes for performing substitutions, splits, filtering filenames, etc. This library is the successor to the OROMatcher, AwkTools, PerlTools, and TextTools libraries originally from ORO, Inc....

DSPAM is a scalable and open-source content-based spam filter designed for multi-user enterprise systems. On a properly configured system, many users experience results between 99.5% - 99.95%, or one error for every 200 to 2000 messages. DSPAM supports many different MTAs and can also be deployed as a stand-alone SMTP appliance. For developers, the DSPAM core engine (libdspam) can be easily incorporated directly into applications for drop-in filtering (GPL applies; commercial licenses are also available)....

The UFRaw (Unidentified Flying Raw) is a tool for reading and manipulating raw images from digital cameras. It supports most of the existing raw formats (any format supported by DCRaw). UFRaw can be used on its own or as a Gimp plug-in.