KiSSFLOW (http://kissflow.com) is for building workflows on Google Apps for your businesses. KiSSFLOW is the first workflow creation app exclusively built for Google Apps. It offers customers a simple and efficient way to automate workflows around their existing email user base.
KiSSFLOW enhances document management capability with Google Drive integration. Users can upload documents directly in KiSSFLOW, instead of uploading it in Google Drive and then attaching it to workflow requests.
KiSSFLOW is free for 10 users and 10 workflow processes. The Standard edition is $3 per user monthly and $18 per workflow creator monthly.