TRex
TRex is a free, open-source PDF tool for macOS. Copy any text on your screen, stop retyping. It has 1,945 GitHub stars and is released under the MIT license. Its source code is on GitHub at amebalabs/TRex.
github.com/amebalabs/TRex (opens in a new tab)
Data as of from the GitHub API; description from the project's repository. Report an error
About TRex
TRex captures any text right into your Clipboard with magic of OCR. But what is OCR anyway? Imagine you have a PDF file or a Web page where you can't select the text, image with text on it, or even a YouTube video. Forget retyping it manually; with TRex, you can extract text from anywhere, and it is as easy as taking a screenshot.
Install TRex
Package names found in the project's README. Each links to its package page so you can check the publisher first.
brew install --cask trexSimilar apps
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Is TRex free and open source?
Yes. TRex's source code is public on GitHub under the MIT license, which is OSI-approved or FSF-free, so you can use, copy and change it for free.
How do I install TRex?
Homebrew: brew install --cask trex. The commands are on this page. Installers are also on its GitHub Releases page (latest: v2.0.0).
Is TRex still maintained?
The repository's most recent commit was on Sep 29, 2026. appsgit only lists apps whose repository had a commit in the last six months.