The 0.9.1 version of Livestreamer Twitch GUI for Mac was available to download on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The actual developer of this free software for Mac is Sebastian Meyer. The program lies within Audio & Video Tools, more precisely Streaming Media. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.
From the developer:
Livestreamer Twitch GUI is a multi platform Twitch.tv browser for Livestreamer. With Livestreamer Twitch GUI you're not dependent on your browser and flash, so less resources are needed. Also all streams can be watched in the video player of your choice, enabling a smooth video playback.
You may want to check out more software for Mac, such as Streamlink Twitch GUI, Livestream Procaster or twitcher, which might be similar to Livestreamer Twitch GUI.
Device Assistants
Streaming Media