OpenSpreader Java library enables cluster-wide coordination without external services

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OpenSpreader is a new Java library that provides coordination primitives like locks and schedulers across a cluster of Spring Boot applications. It eliminates the need for external services like Redis or ZooKeeper by using built-in gossip-based communication. The library offers components such as distributed mutexes, semaphores, and scheduled tasks that run on a single instance cluster-wide. It requires minimal configuration, defaulting to localhost discovery, and is designed for Java 17+ with Spring Boot 4.1.

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