Phoxel Unit Converter is an easy-to-use freeware that will let you convert from-to any unit. You can choose from 16 different topics that includes (Volume, Weight, Speed, Energy...etc). The program also allows you to choose the number of decimal places and gives you the option to display the results in scientific notation.

Phoxel Periodic Table is a easy-to-use program that will display all the information about any element in the periodic table. You can also calculate the molecular weight of any compound and convert from moles-to-grams & grams-to-moles.