Bower   defunct

bower.io

Gulp  

gulpjs.com

Helm  

helm.sh

Release Butler  

releasebutler.now.sh

LuaRocks  

luarocks.org

npm

npmjs.com

MacPorts

macports.org

NuGet

nuget.org

Private Packagist

packagist.com

Parcel

parceljs.org

Patroni

patroni.readthedocs.io

pip

pypi.org

Poetry

python-poetry.org

Pundle

Rollup

rollupjs.org

Scoop Installer

scoop.sh

SDKMAN

sdkman.io

Snappy aka Snapcraft

snapcraft.io

SwiftPM

swift.org

Turbo

turbo.build

VCPKG

github.com

WebAssembly

webassembly.org

Webpack

webpack.js.org

Yarn  

yarnpkg.com

Flathub

flathub.org

Atom Package Manager

github.com

Browserify

browserify.org

Cargo (Rust)

doc.rust-lang.org

Chocolatey

chocolatey.org

Clang

clang.llvm.org

Composer (PHP)

getcomposer.org

crates.io  

crates.io

Emscripten

emscripten.org

esbuild

esbuild.github.io

Metro Bundler

facebook.github.io

Flatpak

flatpak.org

Free Pascal

freepascal.org

Go Version Manager

github.com

Grunt

gruntjs.com

Hex

hex.pm

Homebrew

brew.sh

Lerna

lernajs.io

Alire

alire.ada.dev

Maven Central

central.sonatype.com