nss
brew install nssLibraries for security-enabled client and server applications
https://firefox-source-docs.mozilla.org/security/nss/index.html
License: MPL-2.0
Development: Pull requests
Formula JSON API: /api/formula/nss.json
Formula code: nss.rb on GitHub
Bottle (binary package) installation support provided for:
| macOS on Apple Silicon |
golden gate | ✅ |
|---|---|---|
| tahoe | ✅ | |
| sequoia | ✅ | |
| Linux | ARM64 | ✅ |
| x86_64 | ✅ |
Current versions:
| stable | ✅ | 3.133 |
Depends on:
| nspr | 4.40 | Platform-neutral API for system-level and libc-like functions |
Uses from macOS: sqlite
Conflicts with: arabica (because both install `mangle` binaries), resty (because both install `pp` binaries)
Binaries:
addbuiltin,
atob,
baddbdir,
bltest,
btoa,
certutil,
chktest,
cmsutil,
crlutil,
dbtest,
dbtool,
derdump,
dertimetest,
digest,
ecperf,
encodeinttest,
fbectest,
fipstest,
httpserv,
listsuites,
lowhashtest,
makepqg,
mangle,
modutil,
multinit,
nonspr10,
nss-config,
nss-policy-check,
nssdefaults,
ocspclnt,
ocspresp,
oidcalc,
p7content,
p7env,
p7sign,
p7verify,
pk11ectest,
pk11gcmtest,
pk11importtest,
pk11mode,
pk12util,
pk1sign,
pkix-errcodes,
pp,
pwdecrypt,
remtest,
rsaperf,
rsapoptst,
sdbthreadtst,
sdrtest,
secmodtest,
selfserv,
shlibsign,
signtool,
signver,
ssltap,
strsclnt,
symkeyutil,
tstclnt,
validation,
vfychain,
vfyserv
GitHub Packages downloads:
| Last 30 days | 777,299 |
|---|---|
| Downloads | 16,632,797 |
| Analytics install events (30 days) | 54,497 |
| Downloads / install events (30 days) | 14.3× |
Source: GitHub Packages, fetched 2026-11-14T00:20:32Z. Analytics dates: 2026-10-15 to 2026-11-14. 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 days | 90 days | 365 days | |
|---|---|---|---|
| Installs | 54,480 | 150,373 | 575,226 |
Installs (--HEAD) | 17 | 49 | 175 |
| Installs on Request | 8,785 | 24,305 | 102,225 |
Installs on Request (--HEAD) | 14 | 45 | 155 |
| Build Errors | 47 |