home title actions features true Home text link type Get Started /guide/getting-started.html primary text link type Introduction /guide/introduction.html secondary title details One Tool Manage each of your project runtimes with a single CLI tool and command interface. title details Plugins Large ecosystem of existing runtimes & tools. Simple API to add support for new tools as you need! title details Backwards Compatible Support for existing config files .nvmrc, .node-versions, .ruby-version for smooth migration! title details One Config File .tool-versions to manage all your tools, runtimes and their versions in a single, sharable place. title details Shells Supports Bash, ZSH, Fish & Elvish with completions available. title details GitHub Actions Provides a GitHub Action to install and utilize your .tool-versions in your CI/CD workflows.