libunwind

Install command: 
brew install libunwind

C API for determining the call-chain of a program

https://www.nongnu.org/libunwind/

License: MIT

Development: Pull requests

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

Formula code: libunwind.rb on GitHub

Bottle (binary package) installation support provided for:

Linux ARM64 ✅
x86_64 ✅

Current versions:

stable ✅ 1.8.3

Keg-only because it conflicts with LLVM.

Depends on:

xz 5.8.4 General-purpose data compression with high compression ratio
zlib-ng-compat 2.3.3 Zlib replacement with optimizations for next generation systems

Requires: Linux

GitHub Packages downloads:

Last 30 days9,465
Downloads203,364
Analytics install events (30 days)3,015
Downloads / install events (30 days)3.1×

Source: GitHub Packages, fetched 2026-11-12T00:53:57Z. Analytics dates: 2026-10-13 to 2026-11-12. Totals exclude downloads from Bintray before the migration to GitHub Packages. Downloads and install attempts measure different things; the difference does not count analytics opt-outs. Definitions and limitations.

Analytics:

30 days90 days365 days
Installs3,0156,99334,468
Installs on Request0561
Build Errors0