This category is intended for software which is both free as in "free beer" and in "free speech". Explicitly the freedom to:
- run the program, for any purpose (freedom 0)
- study how the program works, and adapt it to your needs (freedom 1)
- redistribute copies so you can help your neighbor (freedom 2)
- improve the program, and release your improvements to the public, so that the whole community benefits (freedom 3)
This category has the following 9 subcategories, out of 9 total.