Below is an archived list part 2 of other clients: Underrated or Unpopular (Part 1 is here). However, they can be useful to many people. We do not guarantee information about these clients. Use at Your Own Risk. Thank you.

Requires:
Java 7 or above
Optifine
How to install:
1: Phá» Client

Phá» Client (1.8.9) Download Links:
For Minecraft 1.8.9
Download from Server 1 – Download from Server 2
2: Wind Client

Wind Client (1.8.9) Download Links:
For Minecraft 1.8.9
Download from Server 1
3: Ekn Client

Ekn Client (1.8.9) Download Links:
For Minecraft 1.8.9
Download from Server 1 – Download from Server 2
4: Glacier Client

Glacier Client (1.8.9) Download Links:
For Minecraft 1.8.9
Download from Server 1
5: Flight Client

Flight Client (1.8.9) Download Links:
For Minecraft 1.8.9
Download from Server 1 – Download from Server 2
6: Galaxy Client

Galaxy Client (1.8.9) Download Links:
For Minecraft 1.8.9
Download from Server 1
7: Sigma Client

Sigma Client Download Links:
For All Versions from Minecraft 1.8.9 to Minecraft 1.16.5
Download from Server 1
8: Tenacity Client

Tenacity Client Download Links:
For Minecraft 1.8.9
Download from Server 1