HeboTech 

AT command library that makes it easy to communicate with modems.

Configurable and simple time service for .Net that makes it easy to unit test your code.

Abstracts the system clock to facilitate testing

Calculates progress reports (estimated end time, estimated time left etc.)

Easily return results (the fruits of your work) from the services in your application. The caller can easily react based on the type of the result.

Easily create actionresults in the controllers from your results.