Download of TEAM viwer 15.26.4 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 common filename for the program's installer is TeamViewer.dmg.
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. This free Mac app was originally designed by TeamViewer GmbH. The most popular version among TEAM viwer for Mac users is 6.0. TEAM viwer for Mac lies within Productivity Tools, more precisely Timekeeping.
From the developer:
TeamViewer connects to any PC or server around the world within a few seconds. You can remote control your partner's PC as if you were sitting right in front of it. Find out why more than 100 million users trust TeamViewer! With TeamViewer you can remotely control any computer as if you were sitting right in front of it - even through firewalls.
You may want to check out more software for Mac, such as Team.biz, Kickoff - Chat and Tasks for Teams or Klokwork Team Console, which might be similar to TEAM viwer.