Swiftly

Uses official Swift project APIs to retrieve toolchain information and verify signatures, reducing security vulnerabilities and downtime risks, as highlighted in the FAQ comparison with swiftenv.

Provides first-class support for installing and managing nightly snapshot toolchains, essential for testing with the latest changes, which is a key differentiator from package manager installations.

Installs without requiring additional system packages like bash or curl, making it easy to set up on clean systems, as noted in the philosophy section.

Allows teams to share preferred toolchain versions using a .swift-version file, facilitating consistent development environments across projects, as described in the features list.

Includes a built-in command to update swiftly itself, ensuring users always have the latest features and fixes without manual intervention.