Here are a number of Winrar password crackers, I dont know whitch ones work well, or which ones dont, the only one i do know works well is this one:
[P.S. these all use the bruteforce method, it will take a minimum of a day to find the right pass, so let it run for a day... or just download another version of the file you want...]
Turbo ZIP Cracker 1.4 - Portable

Turbo ZIP Cracker is easy and effective tool, designed to recover lost or forgotten passwords for encrypted ZIP archives created using WinZip, PKZip, WinRAR or any other ZIP-compatible software.
Features:
Accept Zip-archives created using different software
Self-extracting Zip-archives (SFX) are also accepted
Supported Zip archives encryped using following methods:
- Standard Zip 2.0 encryption
- 128-, 196- and 256-bit AES encryption
Supported following password search methods:
- Brute-force attack
- Dictionary based attack
Custom charset support for Brute-force attack (special characters and national symbols are also supported)
Additional case changes for dictionary passwords
Assignment of Min and Max password length
Password recovery progress bar
Convenient user interface
Full install/uninstall support
CODE
[PHP]http://rapidshare.com/files/123134699/Turbo_ZIP_Cracker_1.4.porte.rar[/PHP]
The rest I dont know, but you can still try them:
RAR Password Cracker 4.12


RAR Password Cracker - Recover lost RAR/WinRAR (2.xx and 3.xx) passwords
RAR Password Cracker recovers lost passwords for RAR/WinRAR archives of versions 2.xx and 3.xx.
RAR Password Cracker finds all possible combinations of characters ("bruteforce" method), or using passwords from lists ("wordlist" or "dictionary" method).
RAR Password Cracker is able to save a current state (you can interrupt the program at any time, and restart from the same state later). Estimated time calculator allows you to configure the program more carefully.
Self-extracting archives and multivolume archives are supported.
Download:
[hide_me]
CODE
[PHP]http://rapidshare.com/files/93359353/RAR_Password_Cracker_by_zarksentinel_www.cw-network.info.rar[/PHP]
Password:
CODE
[PHP]www.cw-network.info[/PHP]
Winrar Password Breaker
This program is intended to recover lost passwords for RAR/WinRAR archives
of versions 2.xx and 3.xx. The program finds by the method of exhaustive
search all possible combinations of characters ("bruteforce" method), or
using passwords from lists ("wordlist" or "dictionary" method).
Self-extracting archives and multivolume archives are supported. The program
is able to save a current state (you can interrupt the program at any time,
and restart from the same state later). Estimated time calculator allows you
to configure the program more carefully.
CODE
[PHP]http://rapidshare.de/files/16762199/RAR.Password.Cracker.4.12-Slayer101.rar[/PHP]
pass:
CODE
[PHP]www.thecybergod.com[/PHP]