SWITCHcast is a sophisticated video management system, by means of which lecturers can very simply record their lectures, upload them to a central server, post-process them and make them available to students via the internet - both as online streams and as downloads for offline use.
Skim is a PDF reader and note-taker for OS X. It is designed to help you read and annotate scientific papers in PDF, but is also great for viewing any PDF file.
Seashore is an open source image editor for Mac OS X's Cocoa framework. It features gradients, textures and anti-aliasing for both text and brush strokes. It supports multiple layers and alpha channel editing. It is based around the GIMP's technology and uses the same native file format.
Scribus is an open-source program that brings award-winning professional page layout to Linux/Unix, MacOS X, OS/2 and Windows desktops with a combination of "press-ready" output and new approaches to page layout.
Processing is an open source programming language and environment for people who want to create images, animations, and interactions. Initially developed to serve as a software sketchbook and to teach fundamentals of computer programming within a visual context, Processing also has evolved into a tool for generating finished professional work. Today, there are tens of thousands of students, artists, designers, researchers, and hobbyists who use Processing for learning, prototyping, and production.
Gaim is a multi-protocol instant messaging (IM) client for Linux, BSD, MacOS X, and Windows. It is compatible with AIM and ICQ (Oscar protocol), MSN Messenger, Yahoo!, IRC, Jabber, Gadu-Gadu, SILC, Novell GroupWise Messenger, Lotus Sametime, and Zephyr ne
OpenProj is a free, open source project management solution. OpenProj is a complete replacement of Microsoft Project, and other commercial project solutions. OpenProj is ideal for desktop project management and is available on Linux, Unix, Mac or Windows
With the OJS Application, a user can comfortably access his most favorite OJS journals and navigate to the correspondent articles. To find these easily, abstracts and other information of the articles, like authors, are shown very clearly. The preferred files, like PDFs or images, can then be chosen and they get directly displayed in the App. The user can also create notes easily at wanted positions in the article and move them via the well known Drag & Drop functionality.
Gobby is a free collaborative editor supporting multiple documents in one session and a multi-user chat. It runs on Microsoft Windows, Mac OS X, Linux and other Unix-like platforms.