RuTast-Software makes it possible to write Cyrillic (Russian) letters, using an English keyboard.
This software is not reviewed yet.
ViCalc-software is a scientific calculator with protocol. In addition ViCalc-Software has got an operation panel in order to get a better view of the running calculation. The software is able to work with scientific constants and units conversion.
RusFon is a transcription-software, which converts letters from one alphabet (Cyrillic) to another (Latin).