# Akka Documentation

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 * [What is Akka?](introduction.md)
 * [What are Actors?](actors-intro.md)
 * [Akka Libraries and Modules](modules.md)
 * [Your First Akka Application - Hello World](quickstart.md)
 * [Your Second Akka Application, Part 1: Top-level Architecture](tutorial_1.md)
 * [Your Second Akka Application, Part 2: The Device Actor](tutorial_2.md)
 * [Your Second Akka Application, Part 3: Device Groups](tutorial_3.md)
 * [Your Second Akka Application, Part 4: Querying a Group of Devices](tutorial_4.md)

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