folly

Install command: 
brew install folly

Collection of reusable C++ library artifacts developed at Facebook

https://github.com/facebook/folly

License: Apache-2.0

Development: Pull requests

Formula JSON API: /api/formula/folly.json

Formula code: folly.rb on GitHub

Bottle (binary package) installation support provided for:

macOS on
Apple Silicon		 tahoe ✅
sequoia ✅
sonoma ✅
macOS on
Intel		 sonoma ✅
Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 2026.04.20.00
head ⚡️ HEAD

Depends on:

boost 1.90.0 Collection of portable C++ source libraries
double-conversion 3.4.0 Binary-decimal and decimal-binary routines for IEEE doubles
fmt 12.1.0 Open-source formatting library for C++
gflags 2.3.0 Library for processing command-line flags
glog 0.7.1 Application-level logging library
libevent 2.1.12 Asynchronous event library
libsodium 1.0.22 NaCl networking and cryptography library
lz4 1.10.0 Extremely Fast Compression algorithm
openssl@3 3.6.2 Cryptography and SSL/TLS Toolkit
snappy 1.2.2 Compression/decompression library aiming for high speed
xz 5.8.3 General-purpose data compression with high compression ratio
zstd 1.5.7 Zstandard is a real-time compression algorithm

Depends on when building from source:

cmake 4.3.2 Cross-platform make
fast_float 8.2.5 Fast and exact implementation of the C++ from_chars functions for number types
pkgconf 2.5.1 Package compiler and linker metadata toolkit

Analytics:

Installs (30 days)
folly 11,649
folly --HEAD 8
Installs on Request (30 days)
folly 3,439
folly --HEAD 8
Build Errors (30 days)
folly 319
Installs (90 days)
folly 33,428
folly --HEAD 20
Installs on Request (90 days)
folly 10,084
folly --HEAD 20
Installs (365 days)
folly 217,692
folly --HEAD 149
Installs on Request (365 days)
folly 79,182
folly --HEAD 147