Here is my list of my favorite free Mac software:
PlanetMike's Technology Journal
Tips and tricks to get technology to work for you, by Michael Boyd Clark
My Sites
Me Elsewhere
DropBox - Get Extra Space
Sign up with Dropbox from my link and we'll both get extra storage space for free.BackBlaze for Backup
I highly recommend you use BackBlaze to protect the data on your computer.
I now use and recommend Vienna for reading RSS, in place of NetNewsWire Lite.