Open source RabbitMQ: core server and tier 1 (built-in) plugins
created at Sept. 20, 2010, 10:29 a.m.
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. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
created at Sept. 13, 2012, 11:34 a.m.
Tyk Open Source API Gateway written in Go, supporting REST, GraphQL, TCP and gRPC protocols
created at May 7, 2014, 2:38 p.m.
Redpanda is a streaming data platform for developers. Kafka API compatible. 10x faster. No ZooKeeper. No JVM!
created at Nov. 2, 2020, 10:43 p.m.
Eclipse Mosquitto - An open source MQTT broker
created at March 10, 2016, 8:19 p.m.
Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably. Set up once and forever.
created at March 31, 2015, 8:26 p.m.
Cadence is a distributed, scalable, durable, and highly available orchestration engine to execute asynchronous long-running business logic in a scalable and resilient way.
created at Feb. 21, 2017, 4:10 p.m.
A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
created at Oct. 13, 2016, 7:21 a.m.
Pentaho Data Integration ( ETL ) a.k.a Kettle
created at Oct. 8, 2013, 6:27 p.m.