I have spent most of the last 20 years designing and building software development tools of various kinds, though recently my work has focussed on development of ManageSoft, the world's first software warehouse.

I'm named as the chief inventor on US patent 6006034, "Systems and methods for automatic application version upgrading and maintenance", which lies at the heart of ManageSoft, and have other patent applications pending.

Some of my work which might interest you follows (links are incomplete).

• Aspect Definition Language
• Cryptography with SSLeay
• GUI development tools (principal designer of OpenUI, also here)
• Translation program generators
• Networking class libraries
• Object Oriented databases
• Advanced Transaction Processing techniques
• Performance profiling
• Ruby Photo Library

I write or have written substantial code in:

• C++ and C
• Ruby
• Perl
• C#
• SQL
• Java(tm)
• VBscript
• Pascal
• Assembler (PDP-11 and MC68HC11)
• yacc/lex (now bison/flex)

Here are some simple HOWTO's I've written:

• How to install PGP (GNU Privacy Guard) in Windows 7