FontPark is the largest portal with 70,000+ free fonts for commercial and noncommercial use . The fonts available for PC Mac and Linux.
All the fonts are categorized very well within titles like 3D, Sans Serif, curly, etc. and they can be browsed by “last added”, alphabetically or “top fonts”.
You can define a custom text where all the fonts will display that to help you better decide which font to get.