What are the current online document management and workflow services?

Question

Document flow

The market of CIS solutions as a whole looked through. Interested in foreign counterparts ... but there is a small problem with keywords for search. Someone analyzed, was interested? What search words to search for? ECM?
Functionality you are interested in:
- processing of correspondence (incoming outgoing)
- internal document management with electronic approval
- document life cycle from project to sending and approval with the customer
- SAAS solution
- WEB solution
- EDS
- Process
designer - Document form designer
- Integration with mail