Electronic Team has launched JustStream 1.0 (https://mac.eltima.com/juststream.html), a new app that offers streaming of local files from Mac to a large TV screen and mirroring of Mac display to any device on the same Wi-Fi network. 

JustStream supports a wide range of devices and services like Chromecast, Apple TV and DLNA-certified devices like Smart TV. Virtually any file format is supported by the app, including AVI, FLV, MKV, 3GP, MP4, MKV, MOV, AVI, WMV, MP3, WAV.

JustStream is offered as a free version with 40 minutes of uninterrupted streaming and mirroring. JustStream PRO is available for $19.95 and includes unlimited streaming and mirroring, as well as free lifetime upgrades. JustStream is also available on the App Store with 40 minutes of free streaming and mirroring in total. For unlimited streaming and mirroring with the App Store version one needs to purchase annual subscription for $9.99.