Intervals - Project driven time tracking with customizable workflows and detailed, meaningful reports.
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.
TaskMail - Project Management as easy as Email
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
Rindle - Powerful workflow automation for professionals.
Process Street - Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.