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CLI Open source 4,764 installs/mo

folly for Mac

Collection of reusable C++ library artifacts developed at Facebook

Quick answer: folly is a command-line tool for macOS. Install it with brew install folly. It is distributed under the Apache-2.0 licence. It has 4,764 Homebrew installs in the last 30 days.

What folly is

folly is a command-line tool for macOS: collection of reusable C++ library artifacts developed at Facebook.

It is distributed as a Homebrew formula, which builds or pours a binary and puts it on your PATH. The project is open source and lives at https://github.com/facebook/folly.

How to install folly

  1. Open Terminal (press ⌘ + Space and type “Terminal”).
  2. If Homebrew is not installed yet, run the installer below once.
  3. Run brew install folly.

Homebrew installer, if you need it:

Prefer a graphical installer? Download it from the official site. MacPicks never hosts or mirrors binaries — the Homebrew command always pulls from the vendor's own release.

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Frequently asked questions

How do I install folly on Mac?

Run brew install folly in Terminal. This requires Homebrew; if you do not have it, install it first with the command below.

Is folly open source?

Yes — Homebrew distributes it under the Apache-2.0 licence.

Does folly run on Apple silicon?

Homebrew publishes this formula for macOS. If upstream does not ship an Apple silicon build, Rosetta 2 handles the Intel binary.

How popular is folly?

It was installed 4,764 times in the last 30 days according to Homebrew analytics, ranking #342 in this catalogue.

What version of folly is current?

The latest packaged version is 2026.10.19.00.