Java process-engine Projects

Camunda BPM

16 3,963 9.3 Java

Flexible framework for workflow and decision automation with BPMN and DMN. Integration with Quarkus, Spring, Spring Boot, CDI.

Project mention: Smart Working, orari flessibili, carriere e settori. Qual è la situazione? | /r/ItaliaCareerAdvice | 2023-06-12

jbpm

5 1,580 7.3 Java

a Business Process Management (BPM) Suite

Project mention: Ask HN: Does async/await exist for transient processes? | news.ycombinator.com | 2023-08-30

See https://www.jbpm.org/ for one approach to the problem of long-running workflows which is based on the standard
http://www.omg.org/bpmplus/
which is not quite the programming model you want but it is similarly breaking up "functions" into small bits and serializing the state so that this can happen over long terms.
What you want has been done on an experimental basis, but maybe not industrialized, see
https://stackoverflow.com/questions/734638/language-that-sup...
https://www.reddit.com/r/ProgrammingLanguages/comments/145du...

WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).