1)   Free Unit Converter 2.0
Free Unit Converter is a quick and effective way to make easy unit conversions between 5000 various units of measure in 21 categories. This program designed not only for the professionals (students, teachers, scientists), but also for ordinary users.

 2)   AccelWare Unit Conversion Tool 4.1
AccelWare Unit Conversion Tool is a powerful, intuitive and easy-to-use utility for quick and accurate conversion between almost every possible units of measure, from one system to another.The latest version includes more than 2200 units in 78 conversion tables.The categories include: length, weight, speed, mass, numbers, volume, dry volume, time, density, force, pressure, energy, power, flow, temperature, angle, light, fractions, data transfer, data storage, and more! Features include: ...

 3)   Unit Converter for Excel 3.1
Unit Converter for Excel is an addin for the Microsoft Excel to perform various conversions between many types of measurement units.

 4)   InfoFind 1.0.762
InfoFind organizes a variety of files and data from different programs into one easy to use program.