Clyral, a South African company who does some really interesting work with Java-based mobile phone application called Mobile Researcher. It is a very intuitive and easy-to-use platform for gathering data from the field on a number of devices.
While at MobileActive '08, Mark and Andy used the first two days to survey a number of the attendees asking questions like:
What is your organization's policy on open source software in your mobile work? Nearly half, 46% said that they just "use what works".See the rest of the slides (slides number 11 & 12 are so interesting):