Download of TypeTool 3.1.3 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 application belongs to System Tools. 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. The actual developer of this Mac application is FontLab Ltd.
From the developer:
TypeTool is a font editor. It can open and edit fonts with up to 65,000 characters, including TrueType, Type 1, and TrueType-based OpenType fonts. Further, it now has support for 12 encodings and more than 150 codepages. It's the perfect tool for the student, desktop publisher, and occasional typographer.
You may want to check out more software for Mac, such as Fontographer, which might be similar to TypeTool.
Fonts
Fonts