Camunda - The Universal Process Orchestrator
Apache OpenOffice - Apache OpenOffice is an open source, office document productivity suite.
ProcessMaker - ProcessMaker is an easy to use BPM and workflow software solution. It is used to design, automate, and deploy business processes of any kind.
Big Huge Labs Writer - Writer is a free online distraction free writing environment provided by Big Huge Labs.
jBPM - jBPM is a flexible Business Process Management (BPM) Suite.
SoftMaker Office - SoftMaker Office is one of the most powerful and reliable office suite that is fully compatible with the MS Office Suite.