• started on a Laser 210 / Sanyo -> Basic, Z80
• continued on a Amstrad CPC 464 -> Basic, Z80
• followed by a Amstrad PC512 -> Basic, dBase
• became more professionell with 80286, 80386, 80486 -> Clipper Summer 86 -- Clipper 5.02
• realised successful projects with Foxpro
• did a lot of other stuff
• then started again developing - using Objective C, XCode, iOS - targeting devices: iPhone, iPad, iPod Touch

And these are my public projects:

• www.awenko.de
• www.123erfasst.de