Open Source Psychology/Why Open Source
In general, open-source software and publicly available resources are free and more powerful than proprietary software and costly services. This also allows for more reliable and inclusive collaboration, as sharing files and information does not require that others spend money on licensing or instruction manuals. In addition, if you are the programmer-type, you can adapt these resources to your needs, and create unique solutions that would otherwise be impossible.
Though more powerful, many of these options have a steeper learning curve. But don't be discouraged! Though it may take longer to get started with the resources described in this wikibook, the payoff will be worth it!