Stack Soft is a Russian software development company. It designs and develops software products under Onyma trade mark.

The mission of the company is to design and develop cutting edge solutions for telecom infrastructure and service management. Stack Soft is interested to offer to its customers solutions for telecom projects of any degree of complexity with a special focus on task level and finance opportunities.

The main product of Stack Soft portfolio is Onyma Billing System that is implemented in a number of Russian service providers.

http://www.onyma.ru