Welcome to eCAL’s documentation!

eCAL (enhanced Communication Abstraction Layer) is a fast publish-subscribe middleware that can manage inter-process data exchange, as well as inter-host communication.

Getting Started

To start learning about eCAL, please refer to the Getting Started chapter.

This chapter will walk you through

Downloading and installing eCAL

At the moment, we support eCAL 5.8 and eCAL 5.7 with fixes. New users should always use the latest eCAL Version (5.8.9). Support for eCAL 5.7 will be dropped when eCAL 5.9 is released.

  • Windows:

    1. Visit the Download Archive and download the latest eCAL Installer

    2. Install eCAL

      eCAL Setup
  • Ubuntu:

    Install eCAL from our PPA:

    sudo add-apt-repository ppa:ecal/ecal-latest
    sudo apt-get update
    sudo apt-get install ecal

    Check out other PPAs (that are fixed to a specific eCAL release) here.


eCAL is licensed under Apache License 2.0. You are free to

  • Use eCAL commercially

  • Modify eCAL

  • Distribute eCAL

eCAL is provided on an “as is” basis without warranties or conditions of any kind.