Procore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
Cent - A network for Universal Creative Income.
Corecon - Corecon offers integrated estimating, project management, and job costing for small to medium-sized construction companies.
Percentages - Easy to use percentage calculator
SummitVista.io - Summit Vista end to end short and long term property management
PercentageTools.com - Percentage calculator, online calculates percentage in many situations, simply enter the numbers and get the result and the formula of calculation.