Composer vs Mix

Composer

8.4 #8 in Package Managers

About Composer

Mix

7.3 #28 in Package Managers

About Mix
ComposerMix
Free planYesNo
Free trialNoNo
Paid fromFree—
Open sourceNoNo
PlatformsLinux, macOS, self-hosted, WindowsLinux, macOS, Windows
Free planYes—
Package formatsPHP packages; ZIP; TAR; VCS repositoriesHex packages, Git dependencies, local path dependencies, Rebar3 projects, Make projects
Supported platformsPHP; Windows; Linux; macOSmacOS, GNU/Linux, Windows, FreeBSD, OpenBSD
Dependency resolutionYesYes
Lockfile supportYesYes
Workspace supportYesYes
Private registry authYesYes
Offline installationYesYes

Both are listed in Best Package Managers. On Specifiction, Composer scores higher on our published basis.