nspr

Install command: 
brew install nspr

Platform-neutral API for system-level and libc-like functions

https://hg.mozilla.org/projects/nspr

License: MPL-2.0

Development: Pull requests

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

Formula code: nspr.rb on GitHub

Bottle (binary package) installation support provided for:

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

Current versions:

stable ✅ 4.40

Binaries: nspr-config

GitHub Packages downloads:

Last 30 days391,838
Downloads10,462,852
Analytics install events (30 days)18,559
Downloads / install events (30 days)21.1×

Source: GitHub Packages, fetched 2026-11-09T00:51:28Z. Analytics dates: 2026-10-10 to 2026-11-09. 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
Installs18,55958,253312,046
Installs (--HEAD)0314
Installs on Request2005922,888
Installs on Request (--HEAD)014
Build Errors0