vlt vs Yarn

vlt provides npm-compatible JavaScript package registries for teams publishing scoped or private packages and managing organizations and access. It is available as a web service or self-hosted, with a client compatible with vlt, npm, pnpm, yarn, bun, deno and CI publishing. Registry infrastructure uses caching and smaller payloads. Developers can inspect resolved dependency graphs, trace why dependencies exist and query them with selector syntax; the CLI handles installation, publishing, configuration, execution and dependency queries. The registry says it blocks known malware and high-risk software through advisory and malware scanning across a safe npm mirror. Lifecycle scripts are restricted or disabled by default, and risky behavior needs explicit approval. Socket integration identifies dependency security risks. The VSR private registry can run locally or in CI with granular access tokens. TLS 1.2 or later and MFA for high-risk systems are stated security controls. Free costs nothing with 2GB storage and delivery, upstream proxy, user and token management and community support. Pro costs $8 a month, billed annually; Premium costs $20 a month, billed annually; Enterprise costs $79 a month, billed annually. Enterprise+ pricing is custom.

Yarn is a package manager and project manager for JavaScript projects, serving uses from simple projects to industry monorepos. It resolves dependencies, maintains lockfiles and provides workspaces that install and link packages within a project. Modern Yarn uses Plug'n'Play by default, generating a Node.js loader file instead of a typical node_modules folder; users can choose node_modules or pnpm-style symlink installs instead. Yarn caches installed packages and shares them among projects on the same machine. Its offline mirror and zero-installs workflow can keep cached packages in a repository and reduce reliance on the npm registry. Plugins can extend resolvers, fetchers, linkers, commands and lifecycle hooks. Generated editor SDKs and settings support VSCode, Vim, Emacs and Neovim. Yarn runs on Linux, macOS and Windows and is free, with no paid plans or usage limits stated. Its documentation notes that React Native and Expo require typical node_modules installs. Yarn does not run audits during installation by default; users can run yarn npm audit separately.