1) https://www.google.com/webfonts – Fonts from google – free to use!

2) https://www.fontspace.com/ Huge fonts collection for free.

3) https://www.wazu.jp  Free fonts from WAZU JAPAN’s Gallery of Unicode Fonts.

4) https://www.fora.gr/gr/free/fonts/ Collection of free Greek fonts

5) https://www.consider.gr/greek-fonts/ Very nice collection of Greek fonts