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mise-en-place is a command-line utility published by jdx that consolidates developer tooling, environment-variable management, and task automation into a single, lightweight binary. Currently at version 2026.3.17 and backed by 237 prior releases, the program belongs to the “Developer Tools / Environment Management” category and is designed to eliminate the need for separate version managers, dotenv loaders, and make-style task runners. By reading a simple TOML or YAML configuration file placed in a project root, it can download and activate exact versions of language runtimes—Node.js, Python, Go, Java, Rust, Ruby, Zig, and more—set per-project environment variables, and expose named scripts that chain shell commands, file watchers, and Git hooks. This makes it suitable for onboarding new contributors who only need to clone a repository and run a single command to obtain a reproducible development environment, for CI pipelines that must pin tool versions without containerization overhead, and for polyglot codebases where different micro-services require different interpreters or compilers. The binary is distributed as a static executable for Windows, macOS, and Linux, updates itself in place, and exposes a plugin system that can extend the core with community-supplied tasks. All activity is cached locally, so repeated invocations are near-instant, and a lockfile guarantees that every teammate or build agent resolves identical artifacts. The software is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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