Cadence Workflow is described as 'Engine was developed at Uber and open sourced under MIT license'. There are eight alternatives to Cadence Workflow for a variety of platforms, including Windows, Linux, Mac, Online / Web-based and Android. The best alternative is Imixs-Workflow, which is both free and Open Source. Other great apps like Cadence Workflow are Zenaton (Freemium), Signavio (Paid), Activiti (Free, Open Source) and MESG (Free, Open Source).
Imixs Workflow is a BPM Framework with the goal to reduce the complexity of business applications. Based on the BPMN 2.0 standard you can change your business logic without changing a single line of code.
The Signavio Process Editor was created in order to be very intuitive and easy to use. Besides professional process modeling, the Signavio Process Editor offers numerous possibilities to include as many process participants as possible in process design.
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java.
MESG is a flexible, decentralized development framework that allows the easy reuse of application components, while providing monetization avenues so open-source developers can get rewarded for their work.
Workflow Engine is a lightweight all-in-one component that enables you to add custom executable workflows of any complexity to any .NET or Java software, be it your own creation or a third-party solution, with minimal changes to existing code.
WorkflowEngine.NET - component that adds workflow in your application. It can be fully integrated into your application, or be in the form of a specific service (such as a web service). The benefits of using WorkflowEngine.