Build powerful reactive, concurrent & distributed applications more easily.

Akka is a toolkit and runtime for building highly concurrent, distributed, and resilient message-driven applications for Java and Scala.

Why Akka? Documentation
  • speed

    High Performance

    50 million msg/sec on a single machine. Small memory footprint; ~2.5 million actors per GB of heap.

  • speed

    Simple Concurrency & Distribution

    Asynchronous and Distributed by Design. High-level abstractions like Actors, Streams and Futures.

  • speed

    Resilient by Design

    Write systems that self-heal.

  • speed

    Elastic & Decentralized

    Adaptive cluster management, load balancing, routing, partitioning and sharding.

  • speed

    Reactive Streams

    Asynchronous non-blocking stream processing with backpressure.

Proven in production

Organizations with extreme requirements rely on Akka and other Lightbend technologies. Read about their experiences in our case studies and learn more about how Lightbend can contribute to success with its commercial offerings.

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