1)   Multi-Edit 2008 11.00.00
A Powerful IDE, with its speed, depth, and uncompromising program access. Support 50+ languages. Search with Perl 5 Regular Expressions and definable filters. Includes a file compare utility, code beautifying support for top languages and much more.

 2)   MITCalc - Technical Formulas 1.15
Solutions to dozens of basic formulas from physics, technology and mechanical engineering. Help, pictures as well as many selection tables with values of various coefficients and material properties are available for the formulas. Units convertor.