There are 7 repositories under microservice-orchestration topic.
Conductor is an event driven orchestration platform
Temporal service
Build scalable and durable micro-services with APIs, Messaging and Workflows
Houston orchestration API. callhouston.io
Zeebe Demo:入门实战业务流程编排暨微服务编排框架与分布式工作流引擎
Simple Workflow As Code on Kafka
Workflow As Code on Kafka
An example of Microservice Orchestrator.
AMQP based microservices communication and orchestration
Camunda 8 BPM
Minimalistic HTTP library.