My Visual Database - Using My Visual Database, you can create databases for invoicing, inventory, CRM, or any specific purpose.
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.
LibreOffice - Base - Base, database, database frontend, LibreOffice, ODF, Open Standards, SQL, ODBC
Pipefy - Pipefy is a process management software that empowers anyone to create and automate efficient workflows on their own without code.
Kexi - Kexi | Calligra Suite
Process Street - Create beautiful rich process documents in a simple to follow checklist format. Fast, free and incredibly simple to use.