Tunnelblick is an open-source Virtual Private Network (VPN) client software for macOS.
Contents
History
The first stable release was version 3.0 in March 2010. Since then, a new version has been released on a regular basis, the current version as of August 2016 is 3.6.5.
Issues
In January 2016, the Sparkle Updater component used by Tunnelblick was found to be vulnerable to a Man-in-the-Middle attack. This security flaw has since been patched.
References
Tunnelblick Wikipedia(Text) CC BY-SA