WaveSurfer is a sound visualization/manipulation tool for novice and advanced users, with a simple and intuitive user interface. It can be adapted to different tasks, such as speech research and education, speech/sound analysis, and sound annotation/transcription. You can also make more advanced/specialized applications by extending it with custom plugins or embed WaveSurfer components in other applications. Its flexible interface handles many different file formats, and it runs on many flavors of Windows and Unix. It also supports encoding and Unicode with unlimited file size, and more.
Allegro Sprite Editor (ASE) is a program specially designed with facilities to create animated sprites that can be used in some video game. It lets you create static images, characters with movement, textures, patterns, backgrounds, logos, color palettes, etc. It focuses on pixel editing to do pixel art. It isn't a photo retouching tool or a vector graphics editor. Mainly, it is a tool to create tiny animations pixel-by-pixel.
JPatch is an amazing 3D Modeling/Animation tool designed to model and animate "organic" shapes such as humans, animals, aliens, etc. It is a bezier-spline modeler and works with so-called "Coon's patches", the same patches that are used by the popular Windows freeware modellers sPatch and Hamapatch and the commercial program Animation Master (they are called Hash patches there). JPatch is written entirely in Java.
Shape Collage is an automatic photo collage maker that lets you create picture collages in less than a minute with just a few mouse clicks. Shape Collage creates collages using an intelligent machine learning algorithm that automatically places the photos in the collage and can arrange the photos to form different shapes. You can even save the collage as an Adobe Photoshop PSD file, and edit the collage afterwards in Photoshop or GIMP.
Plumi is a video sharing content management system based on Plone. It enables you to create your own sophisticated video sharing site. By adding it to an existing Plone instance you can quickly have a wide array of functionality to facilitate video distribution and community creation.