OnSIP - OnSIP offers cloud phone sytem for business communications across all devices.
Kissflow - Kissflow is a workflow tool & business process workflow management software to automate your workflow process. Rated #1 cloud workflow software in Google Apps Marketplace.
Windstream Holdings - Windstream Holdings is a scalable cloud-based business phone solution that provides complete and unified communication applications to businesses of all sizes.
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
BVoIP - BVoIP allows to easily add Cloud & On-Premise VoIP PBX to the product offering without having to re-invent the wheel or add another layer to the daily operations..
Process Street - Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.