Convertr.io VS OpalCalc

Integrate - Integrate powers customer acquisition by connecting media programs and prospect data with marketing and sales systems.

SpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .

multiConvert - multiConvert is a simple to use small sized unit converter for converting any unit into another one and getting the real time result on the main window of this program.

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.

Oxyleads - OxyLeads is a business contact data provider that offers access to data about companies and people. 

Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.