free. facebook

Official Google Music upload tool; store 20,000 songs for free.

Web browser w/Safari engine & many enhanced features; now free.

Development tool finds/fixes memory leaks and more; now free.

Record Skype, Hangouts, Viber & Facebook Audio/Video calls.

Lightweight Facebook chat app.

Open-source Facebook Messenger app.

Drag-and-drop video upload to Facebook.

Connect Apple Mail email to friends' Facebook profile pictures.

Merges Facebook data with contacts in your Address Book.

Monitor Facebook log-in activity.