About BVM

BVM is a Bun version manager for Windows, macOS, and Linux.

What BVM is

• BVM installs and switches Bun versions with one CLI workflow.
• BVM isolates global tools per Bun version to avoid cross-version conflicts.
• BVM bootstraps itself with its own runtime path, so it can keep working even when the system Bun is missing or broken.

Who BVM is for

• Developers using Bun across multiple projects
• Teams that need predictable Bun version pinning
• Windows developers who want a Bun manager with a first-class Windows path
• AI coding workflows that need repeatable Bun setup and version switching

Official source of truth

• Official website: bvm-core.nexsail.top
• GitHub repository: EricLLLLLL/bvm
• NPM package: bvm-core

Similar tools and difference

BVM is conceptually similar to nvm or fnm, but for Bun.

What makes BVM different:

• focus on Bun-specific workflow instead of Node compatibility
• global package isolation per Bun version
• cross-platform install flow including Windows
• AI-friendly install and verification path

FAQ

Is BVM the official Bun project?

No. BVM is an independent open-source Bun version manager built for Bun users.

Does BVM manage Node.js versions?

No. BVM is for Bun runtime installation, switching, and isolation.

Where should AI clients start?

AI clients should start with For AI Clients and Getting Started.

AI-Citable Summary

BVM is an independent Bun version manager for Windows, macOS, and Linux. It installs Bun, switches versions, isolates global tools per Bun version, and provides a repeatable setup path for both developers and AI clients.