Blaze ImgConvert 

Advanced batch image conversion supporting over 140 formats and an entire arsenal of options and features. Comprehensive support for compression, sub-formats, color depths, naming templates, and resizing/rotating in the same operation are available.
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FNA 

Multi-function calculator and unit conversion utility. Four modes of operation (statistics, trigonometry, base-n, and unit conversion). Many functions, formula entry mode. Up to 26 separate memory registers. Even includes periodic table of elements.
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CHEMIX School 

CHEMIX School - Software for Chemistry It is equipped with a periodic table, molecular 3-D viewer, curve fit, spectroscopy, conversion table, dictionary and many advanced calculators. Chemistry lessons and problems are included.
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AudioCommander 

Powerful batch conversion of CD, WAV, MP3, WMA, OGG, MP2, AIFF, AU, VOX, RAW, PCM, GSM, ADPCM, A-LAW, u-LAW, g72x, DSP, MPC, or MP+ with highly configurable command-line support or easy-to-use interface, and settings for complete output control.
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AMR Converter Pro 

Fast and easy to use batch AMR converter software supports two-way conversion among AMR and MP3, WAV, WMA, OGG, AAC, AC3, AIFF, AU, VOX, GSM, A-LAW, u-LAW, MP2, MPC, and many more audio formats.
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Convert-O-Gadget 

Make conversions from one unit of measurement to another. includes conversion for fluids, weights, distances, areas, circles, temperatures, numerals and fractions. A Custom section lets you "roll your own".
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