Example of how to use RDFa markup to polish your products in Google Rich Snippets. Developed by Professor Hepp, the inventor of the GoodRelations standard for e-commerce.
Tracks is a web-based application to help you implement David Allen’s Getting Things Done™ methodology. It was built using Ruby on Rails, and comes with a built-in webserver (WEBrick), so that you can run it on your own computer if you like. It can be run on any platform on which Ruby can be installed, including Mac OS X, Windows XP and Linux. Tracks is Open Source, free and licensed under the GNU GPL.
Todoist features a simple and intuitive interface that helps you get organized without getting in your way. You can also use keyboard shortcuts to achieve blazing efficiency.
Streber is a free wiki driven project management tool written in php5. Freelancers and small teams can easily setup projects and keep track of tasks, issues, bugs, efforts etc. Project-User-Rights can be adjusted e.g. to provide clients a limited view of the current project state.
It supports very easy Installation with FTP.
How many ways are there to manage your task list? Almost as many as there are people with tasks to do. Here are 20 different ways of tracking your to dos, with examples of each.