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Akka

Akka is a powerful platform that simplifies building and operating highly responsive, resilient, and scalable services.

The platform consists of

  • the Akka SDK for straightforward, rapid development with AI assist and automatic clustering. Services built with the Akka SDK are automatically clustered and can be deployed on any infrastructure.
  • and Akka Automated Operations, a managed solution that handles everything for Akka SDK services from auto-elasticity to multi-region high availability running safely within your VPC.

The Akka SDK and Akka Automated Operations are built upon the foundational Akka libraries, providing the building blocks for distributed systems.

Akka has been downloaded more than 1 billion times and has powered thousands of systems for over 15 years. Akka enables millions of concurrent users, terabyte stream processing, low-latency read/write data access, 99.9999% availability, and multi-region high availability and disaster recovery (HA/DR).

Akka is used to build agentic AI, AI inference, transactional, analytical, digital twin, IOT, and edge-to-cloud systems. It is simple to learn and operate. Akka creates production-ready systems without requiring prior knowledge of events, threading, or distributed systems.

Akka libraries

To get started, see the Akka libraries documentation.

Akka (core)

Akka HTTP

Akka gRPC

Alpakka Kafka

Alpakka

Akka Persistence Cassandra

Akka Persistence JDBC

Akka Persistence R2DBC

Akka Projections

Akka Management

Akka Diagnostics

Akka Insights

Before contributing, please read the contributing guidelines and notice our Code of Conduct.

If you need help, please check support references.

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  1. akka-sdk akka-sdk Public

    The Akka SDK offer a set of components that let you build durable, responsive, real-time services.

    Java 25 12

  2. akka-core akka-core Public

    A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

    Scala 13.3k 3.6k

  3. akka-http akka-http Public

    The Streaming-first HTTP server/module of Akka

    Scala 1.3k 587

  4. akka-projection akka-projection Public

    Akka Projections is intended for building systems with the CQRS pattern, and facilitate in event-based service-to-service communication.

    Scala 105 36

  5. alpakka alpakka Public

    Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.

    Scala 1.3k 630

  6. alpakka-kafka alpakka-kafka Public

    Alpakka Kafka connector - Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.

    Scala 1.4k 373

Repositories

Showing 10 of 54 repositories
  • akka-core Public

    A platform to build and run apps that are elastic, agile, and resilient. SDK, libraries, and hosted environments.

    akka/akka-core’s past year of commit activity
    Scala 13,274 3,563 874 (200 issues need help) 25 Updated Apr 2, 2026
  • akka-sdk Public

    The Akka SDK offer a set of components that let you build durable, responsive, real-time services.

    akka/akka-sdk’s past year of commit activity
    Java 25 12 30 12 Updated Apr 2, 2026
  • akka-persistence-cassandra Public

    A replicated Akka Persistence journal backed by Apache Cassandra

    akka/akka-persistence-cassandra’s past year of commit activity
    Scala 327 133 56 (10 issues need help) 5 Updated Apr 2, 2026
  • alpakka Public

    Alpakka is a Reactive Enterprise Integration library for Java and Scala, based on Reactive Streams and Akka.

    akka/alpakka’s past year of commit activity
    Scala 1,270 630 220 (2 issues need help) 10 Updated Apr 2, 2026
  • ai-marketplace Public

    Akka AI Marketplace

    akka/ai-marketplace’s past year of commit activity
    1 Apache-2.0 0 0 0 Updated Apr 1, 2026
  • homebrew-brew Public

    Homebrew tap for installation of Akka command line tools

    akka/homebrew-brew’s past year of commit activity
    Ruby 0 Apache-2.0 0 0 0 Updated Apr 1, 2026
  • akka-http Public

    The Streaming-first HTTP server/module of Akka

    akka/akka-http’s past year of commit activity
    Scala 1,349 587 577 (167 issues need help) 2 Updated Apr 1, 2026
  • akka-dependencies Public

    Maven "bill of materials" (BOM) for Akka releases

    akka/akka-dependencies’s past year of commit activity
    Scala 5 3 0 1 Updated Mar 31, 2026
  • ai-context-sync Public

    Tooling to sync a company AI context share

    akka/ai-context-sync’s past year of commit activity
    Python 0 0 0 0 Updated Mar 31, 2026
  • akka-projection Public

    Akka Projections is intended for building systems with the CQRS pattern, and facilitate in event-based service-to-service communication.

    akka/akka-projection’s past year of commit activity
    Scala 105 36 77 (2 issues need help) 6 Updated Mar 30, 2026

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