alfacast screen mirror

Install latest/stable of alfacast screen mirror

Ubuntu 16.04 or later?

Make sure snap support is enabled in your Desktop store.


Install using the command line

sudo snap install alfacast

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Channel Version Published

Serverless Broadcast Audio / Video Screen Streamer & Viewer

Share and split your live video screen stream to many devices simultaneously. App allows you to broadcast and to watch any content from desktop. Stay secure with alfacast while watching live streaming, the app supports end-to-end encryption technology. Automatic discovery technology will allow you to enjoy using the app. Forget about logins, installation and the long process of setup video broadcast servers, for alfacast it is simply not necessary. Stream your content from a video camera apps, photo album apps, stream video from player apps, show presentations, slides, photos or pictures anywhere and anytime!

To stream video from apps, you need to open a third-party app. The alfacast will capture your screen with all the displayed content. You need to display content from a third-party app on the streamer device screen.

For example, if you want to stream video from a camera, follow these steps on the streamer device:

  • Run alfacast app and follow the instructions to use the app as a streamer
  • Open the camera app and display it on the device screen. The alfacast app does not use your camera or access it

After that please follow these steps on your viewer device:

  • Run alfacast app and follow the instructions to use the app as a viewer
  • Select your streamer with a camera from the list of users in the alfacast app and watch the screen cast from the camera

alfacast features:

  • Audio / video stream splitter
  • Streaming through all network interface types: WiFi / Ethernet / Bluetooth
  • Local area network streamer and viewer solution
  • Serverless single channel peer-to-peer streaming technology
  • Serverless multichannel peer-to-many streaming technology
  • Video streamer & viewer up to SD quality
  • Automatic discovery of users on the local network
  • Secure connection with end-to-end AES-128 encryption technology
  • Support Wayland and X Window System desktops
  • Multiplatform support
  • Multilanguage support

This alfacast app is tested on latest Linux Ubuntu or Ubuntu LTS OS distribution. If you want to achieve more stability of this app please use these Linux distribution versions.

If you have some kind of issues or problems please read built-in app instruction firstly: Main menu -> Instruction. The application was tested on various device types from different manufacturers, but If you have some kind of issues please feel free to contact us by email with full problem description.

WARNING! For Raspberry Pi and ARM CPU based boards

The alfacast app uses hardware accelerated codec and you have to enable it manually. Please copy and run this command in terminal:

sudo snap connect alfacast:camera

After that you can run and use alfacast app on ARM board

Details for alfacast screen mirror

License
  • Proprietary

Last updated
  • 11 December 2025 - latest/stable
  • 11 December 2025 - latest/edge

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Install alfacast screen mirror on your Linux distribution

Choose your Linux distribution to get detailed installation instructions. If yours is not shown, get more details on the installing snapd documentation.


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