flyctl

Install command: 
brew install flyctl

Command-line tools for fly.io services

https://fly.io

License: Apache-2.0

Development: Pull requests

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

Formula code: flyctl.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 ✅ 0.5.4
head ⚡️ HEAD

Depends on when building from source:

go 1.27.3 Open source programming language to build simple/reliable/efficient software

Binaries: fly, flyctl

GitHub Packages downloads:

Last 30 days102,138
Downloads2,797,589
Analytics install events (30 days)16,105
Downloads / install events (30 days)6.3×

Source: GitHub Packages, fetched 2026-11-03T00:39:23Z. Analytics dates: 2026-10-04 to 2026-11-03. 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
Installs16,07143,427189,836
Installs (--HEAD)3494399
Installs on Request16,06643,421189,819
Installs on Request (--HEAD)3494399
Build Errors27