Zomentum offers a "Revenue Platform" to enable both Partners and SaaS vendors to earn, grow, and manage revenue. Zomentum Grow is their sales acceleration application that automates a number of sales tasks.
CW Sell felt antiquated and out of date. Proposify was cost prohibitive, but could have satisfied our requirements Zomentum has been amazing as it evolves along with our business (PSA integrations/Etilize/POs)