Does anyone know , what's the best tool's for poker?

I saw a lot of software like Holdem Manager and Elephant , Equilab . Wich one are using you?
Elephant and Equilab are free. Holdem Manger cost's something about 90$ pretty expensive right?

Let me know guys what software is better to use , and wich one are using you.

P.S Sorry again for my bad english , i hope through this blog i will impore it .