Camunda - The Universal Process Orchestrator
openDesktop.org - The website openDesktop.
Appian - See how Appian, leading provider of modern low-code and BPM software solutions, has helped transform the businesses of over 3.5 million users worldwide.
SourceForge - The Complete Open-Source and Business Software Platform.
Scoop Solar - Scoop Solar is a comprehensive mobile business process management tool for growing solar companies.
Freecode - Freecode (formerly known as Freshmeat) is one of the legit open source development platforms that will be the key for developers and programmers to have a streamlined process via having enhanced collaboration and coding leverages.