Barnacle Wifi Tether

Changes 0.5.2 : See the blog for details of each update.
0.6.7: routing fix for HTC phones (Evo, see blog for Aria, Liberty)
0.6.6: immediate stop fixed for Milestone and other phones
0.6.5: getcwd error fixed, 3G <-> 4G switching with simple restart (clear the LAN setting)
0.6.4: FC fixes, auto-restart after WifiManager interferes
0.6.3: widget (w/ donation), wpa_supplicant, WEP, fixes to "run not found"
0.6.2: new client actions
0.6.1: auto associate, port forwarding, local mode

APK Description:

Turn your phone into a Wireless Ad-hoc HotSpot (root users)

Turn your phone into a Wireless Ad-hoc HotSpot

Share your 3G with Windows, Mac/iPod/iPad, Linux, Xbox

Requires __ROOT__ access

Barnacle is unlimited, free and open source. If you like it, please donate by getting Barnacle Widget!

See website for FAQ, supported hardware, troubleshooting.

Screenshots: