Was told this is working with JellyBean. Of course you will need to be rooted. I chose Galaxy S3 and this post was made from my work computer tethered to my JellyBean powered GS3. Give it a try and let me know if you like it.
WiFi Tether Updated link to newest version version on 12/01/2012
WiFi Tether Updated link to newest version version on 12/01/2012
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