jBPM might be a bit more popular than Kissflow. We know about 1 link to it since March 2021 and only 1 link to Kissflow. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Kissflow is a well-rounded tool that bridges workflow & business process management in a single operating environment. This platform takes out the pain of work tracking by introducing tools and functions that simplify much of the work through automation. Source: about 3 years ago
Https://jbpm.org, https://kogito.kie.org, and the other projects under the https://kie.org umbrella are also worth looking into. Jbpm is the grandfather of several of the Java based BPMN solutions if I'm not mistaken. Source: over 2 years ago
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