mise vs rbenv
Which should you use? A side-by-side look at what each one does, who it suits, what it costs, how hard it is to set up, and where each falls short.
Open source · MIT
One CLI to manage per-project dev tool versions, environment variables, and tasks.
Open source · MIT
A tool that switches between Ruby versions per project on Unix-like systems.
The short answer
Choose mise if you need…
- Developers who work on several projects that need different Node.js, Python or Rust versions
- Teams that want a committed config file so teammates and CI get the same tool versions
- People who currently juggle .tool-versions, .nvmrc or .python-version files
- Anyone who wants one place to define project tasks and environment variables
Choose rbenv if you need…
- Developers who work on several Ruby projects that need different Ruby versions
- People on macOS or Linux who want Ruby versions installed under their home directory
- Teams that commit a .ruby-version file so everyone uses the same Ruby
- Users who want a small, simple tool and are willing to add plugins for extra features
Side-by-side
| mise | rbenv | |
|---|---|---|
| Type | CLI | Dev tool |
| Price | Free and open source | Free and open source |
| Licence | MIT | MIT |
| GitHub stars | 35.7k | 16.7k |
| Setup difficulty | Intermediate | Intermediate |
| How you get it | See the README | Install with a package manager |
| Main language | Rust | Shell |
| Last code update | 4 days ago | 4 months ago |
What each one is
mise
mise (short for mise-en-place) is a command-line tool that manages the software a project needs: language runtimes and other dev tools, with a separate version per project. It also loads environment variables and runs project tasks from one mise.toml file, so the same setup can work in your shell, editor, and CI. The README says it can also set up a machine with system packages, dotfiles and background services.
rbenv
rbenv is a version manager for the Ruby programming language on Unix-like systems such as macOS and Linux. It lets one computer keep several Ruby versions installed and picks the right one for each project, based on a .ruby-version file in the project folder. It is used so each project runs on the Ruby version it expects.
Best for
mise
- Developers who work on several projects that need different Node.js, Python or Rust versions
- Teams that want a committed config file so teammates and CI get the same tool versions
- People who currently juggle .tool-versions, .nvmrc or .python-version files
- Anyone who wants one place to define project tasks and environment variables
rbenv
- Developers who work on several Ruby projects that need different Ruby versions
- People on macOS or Linux who want Ruby versions installed under their home directory
- Teams that commit a .ruby-version file so everyone uses the same Ruby
- Users who want a small, simple tool and are willing to add plugins for extra features
Strengths
mise
- Covers tool versions, environment variables and tasks in one config file
- The README lists a registry of over 1,000 tools and several installation backends such as GitHub releases, Cargo and npm
- Project-specific versions are kept separate, so projects do not conflict with each other
rbenv
- Switches Ruby versions automatically when you change project directories
- Installs under your home directory, so you can avoid using sudo for gems
- Customizable through bash plugins
Not ideal for
mise
- People who only work on one project with a single tool and are happy with their current setup, since the benefit is mostly for multi-project or team use
- Users who want a purely graphical app; the README describes a command-line tool
- Environments where installing a new binary and adding a shell hook is not allowed, since the optional shell activation changes shell startup
rbenv
- Windows users, since the README says it is for Unix-like systems (use a Windows-specific tool instead)
- People who only ever use one Ruby version and do not need switching
- Users who want rbenv install to work out of the box, since it needs the separate ruby-build plugin
Trade-offs
mise
- The README shows many features, so a new user needs to learn several concepts such as backends, tasks and shell activation
- The README is truncated here, so details of the registry, security and advanced configuration could not be checked
- Adopting it fully means committing a config file and asking teammates to install the tool
rbenv
- The README says its simplicity has downsides and points to a comparison of alternatives
- Debian and Ubuntu packages are out of date, so the README recommends a git install there
- Installing Ruby versions depends on the separate ruby-build plugin and your build environment
Getting started
mise
Install on macOS or Linux
curl -fsSL https://mise.run | shInstall on Windows
winget install jdx.miserbenv
Install with Homebrew (macOS or Linux)
brew install rbenvSet up your shell to load rbenv
rbenv initFrequently asked questions
What is the difference between mise and rbenv?
mise: One CLI to manage per-project dev tool versions, environment variables, and tasks. rbenv: A tool that switches between Ruby versions per project on Unix-like systems. mise suits developers who work on several projects that need different node.js, python or rust versions, while rbenv suits developers who work on several ruby projects that need different ruby versions.
Are mise and rbenv free?
mise: Free and open source. rbenv: Free and open source.
Is mise or rbenv more popular?
mise has more GitHub stars (35.7k) than rbenv (16.7k). Popularity isn't the same as fit — check which one matches your use case above.
What are other alternatives to mise and rbenv?
Other options people compare them with include asdf, nvm, pyenv, direnv.
Keep comparing
Built from our catalogue entries for both products: open-source details come from each project's README (AI-assisted, refreshed weekly) and GitHub data; AI-tool details are editorial. Spotted something wrong? Let us know from either product's page.