Computer Programming Algorithms Directory. 67 Open Source Replacements for Really Expensive Applications. Why spend thousands or even hundreds or thousands of dollars on a closed source application when you can get a comparable open source app for free?
Even if you need commercial support, many open source programs now offer paid support that costs much less than the alternatives. For this list, we looked for quality, open source alternatives to software that has a reputation for being expensive. Collecting all the cheat sheets. The 101 Most Useful Websites on the Internet. Here are the most useful websites on the Internet that will make you smarter, increase productivity and help you learn new skills.
These incredibly useful websites solve at least one problem really well. And they all have cool URLs that are easy to memorize thus saving you a trip to Google. Also see: The Best Android Apps Also see: The Best Mac Apps and Utilities.