SlideCrunch is a 'Swiss Army knife' for anything related to the management of slide-based presentations. It can be used to produce slideshows from multiple input files. Moreover, if you provide information regarding slide duration or text, it can also generate annotated handouts, mixing scripts... Platforms: Windows, Mac, Linux

Pictag is a simple web photo gallery with automatic thumbnail generation and tagging capability. It's self-contained in a single file, uses the file system for gallery layout, and requires no stand-alone database (it uses SQLite) or no database at all. Platforms: Windows, Mac, Linux

MyGraph is a easy-to-use library to draw graphs using data stored with MySQL database. The goal is to insert graph in HTML page with very few code, just selecting scales and the graph type. Platforms: Windows, Mac, Linux

A personal, easy-to-use photo blog. Supports comments with captcha, ratings, EXIF, RSS feed, watermark. Needs web server with PHP5 and GD. Built-in db, no external database required. Platforms: Windows, Mac, Linux

HTML5 canvas chart library (javascript) . Display and animate charts & graph in HTML5 Canvas. Signal,pie,ring,led,digital,odometer, radial and lineal meters, thermometer and vumeter,piramid,funnel,stack and Multiserie charts availables Platforms: Windows, Mac, Linux

FlightTrack is a 2D/3D GPS track viewing software for light aviation pilots using MacOS X. Platforms: Mac

DPX4Mac provides support for DPX pictures all around the Mac OS X. It provides a subclass of NSImageRep and plugins for QuickLook, Spotlight and QuickTime. Platforms: Mac