desire-adhoc allows you to connect your HTC Desire smartphone to ad-hoc networks. It has been written specifically for the Desire and will not work on other models (unless they use the same network driver, in which case there might be a chance). It requires root access to your phone.
Tryton Android is an Android client for the Tryton ERP system. It lets you access and edit your enterprise information (accounting, invoice, production, stocks, and more) from your Android terminal. It is a generic client like the gtk client, and should be compatible with all Tryton modules. It also contains an SVG parser for Android.