Download of OCY 1.1.0 for Mac was 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 Mac application is Northeast Networks Ltd.
The application lies within Communication Tools, more precisely Social & Blogging. 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:
OCY provides free high quality audio and video calls. With this tool, you can make calls to all your Ocy friends and family, both audio and video, with high definition. In addition, the program supports free instant messaging, chats, emoticons, and avatars. Furthermore, you can send picture messages and short video and audio messages to all your friends.
You may want to check out more software for Mac, such as Tweeli, Opitter or Twittia, which might be similar to OCY.