Starting with Toad for Oracle 12.1, GIT is supported.
GIT is a highly popular distributed version control system. There are some significant differences in the work flow of a distributed version control system (DVCS), compared to a conventional centralized version control system, such as Subversion (SVN) or Team Foundation Server. If you are new to using a decentralized version control system, it is important to understand these differences.
Also is recommended to review this article.
Using Git Version Control System in Toad for Oracle
For more detail on GIT, please see attachment.