Version control systems, sometimes called revision control systems or source code management systems, are programs whose purpose is to let you track changes made to a set of, usually, plain text files. They are mainly used to track changes in the source code of programs, but they may be used for other purposes.

Here's how to set up a system with pretty graphs to track your practice time and display it at your Wordpress site! I'm using mine to track the time I spend each day on four different categories of practice, and also show my progress toward the goal of 10,000 hours of total practice.

Prey is a lightweight application that will help you track and find your laptop and android phone if it ever gets stolen. It works in all operating systems and not only is it Open Source but also completely free. so basically you install a tiny agent in your PC or phone, which silently waits for a remote signal to wake up and work its magic.

"...Among the systems I did look into, there are really just two contenders: git and Mercurial. All the other systems track metadata; git and hg just track content and infer the metadata. By tracking metadata I mean that these systems keep a record of what steps were taken..."

This version contains another major improvement in the track editor: the route information will now be automatically re-calculated when you make changes to the track. This is an important step towards completeness of the track editor. Other changes are a more user-friendly settings editor, and a different slip model, which should make the car handling a bit easier.

"Many professionals bill clients for their time. Even if you don't, keeping track of the time you actually spend on tasks can help you improve your time estimates and check if you're spending enough time on the things that are important to you. For example, keeping track of the time you spend on tasks might show you that you spend two and a half hours each day just responding to e-mail. If you can identify problem areas like that, then you can look for more effective ways to perform the tasks that take up a lot of your time. I love Org's timeclocking support, and I think you will too. Because it's integrated with your task list, you don't have to switch to separate application or reenter data. You can get more detailed time reports, too.

Turning to time management software to organise your life is fine, just as long as it doesn't become another obstacle to actually Getting Things Done. We looked for single-user applications that can work offline to track actions and group them by project, category or context.

One of those tools (GnoTime) takes keep track of time to new levels. Not only does GnoTime keep track of your time worked, it also allows you to keep journals of your activities as well as generate reports and invoices based on your time worked.

Many financial applications, such as KMyMoney, can be very useful, however there is often quite a learning curve associated with them. Buddi is an open source personal budgeting application for Windows, Linux and Mac OS X that is designed to keep things very simple, yet still be usable for the average home user to keep track of their finances.