Hola 1.0 for Mac could be downloaded from 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 Mac application is Hola Ltd.
The application lies within Internet & Network Tools, more precisely Browser extensions. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Hola gives you the freedom to browse the web without censorship and to instantly play media files without waiting for them to download. You can even use it on multiple devices at the same time. With this extension you can stream your videos in high quality through Hola's P2P network, without CDN costs.
You may want to check out more Mac applications, such as Black Hole, Flux Family Secrets- The Rabbit Hole - Collector's Edition or RatHole, which might be similar to Hola.