A common malicious functionality is to snoop on the user. This page| www.gnu.org
Network Services Aren't Free or Nonfree; They Raise Other Issues| www.gnu.org
How to Choose a License for Your Own Work| www.gnu.org
Free Software Is Even More Important Now| www.gnu.org
The JavaScript Trap| www.gnu.org
Why the Affero GPL| www.gnu.org
Words to Avoid (or Use with Care) Because They Are Loaded or Confusing| www.gnu.org