Mobilehotspot enables to share your mobile internet connection via WiFi like joikuspot but FREE !

WARNING: This software requires custom kernel with NAT support (See http://talk.maemo.org/showthread.php?t=48075)

One can (and possibly will) be installed automatically but be aware that the custom kernel has much greater chance of messing up your device than the run-of-the-mill not-officially-supported software.

Provided as-is, no warranty etc. Use at your own risk.