Ni

Judgement

What it is

Developer tool

What it does

A set of short commands that detect a project's lock file and call the right package manager, npm, Yarn, pnpm, Bun or Deno, with matching flags.

Adopt it when

You switch between JavaScript projects that use different package managers and keep typing the wrong one.

Watch out

It adds another global tool to learn, and Corepack or a single team-wide package manager can make it unnecessary.

Ready for

Production-ready

Runs as

Command line

Built with

TypeScript and Node.js

How established

Established: started 6 years ago, latest release v30.6.0.

What the license allows

You can build it into a product you sell, as long as you keep its copyright notice.

Judged on 2026-11-06 from the project's README and GitHub data. The license and age lines are worked out directly.

Built from

Follow it down: Ni → TypeScript → Go → runs on a microchip

How compilers were built, back to punched paper tape

Open-source alternatives to Ni

1. 1
   Bun oven-sh

   Incredibly fast JavaScript runtime, bundler, test runner, and package manager – all in one

   Developer tool Production-ready You start a new JavaScript or TypeScript project and want fast installs, fast startup and fewer separate tools, and you can test Node compatibility for your dependencies.

   ★ 97k See repository Rust Active, pushed today
   
2. 2
   uv astral-sh

   An extremely fast Python package and project manager, written in Rust.

   Developer tool Production-ready Starting or modernising a Python project and you want one fast tool in place of pip, pip-tools, virtualenv, pyenv and Poetry.

   ★ 92k Apache-2.0 Rust Active, pushed today
   
3. 3
   Homebrew Homebrew

   🍺 The Package Manager for Everywhere

   Developer tool Production-ready You use a Mac and want a standard way to install and update developer tools and apps from the terminal.

   ★ 50k BSD-2-Clause Ruby Active, pushed today
   
4. 4
   pyenv pyenv

   Simple Python version management

   Developer tool Production-ready Projects on macOS or Linux need different Python versions and you prefer a single-purpose tool over an all-in-one manager.

   ★ 45k MIT Shell Active, pushed 2 days ago
5. 5
   pnpm pnpm

   Fast, disk space efficient package manager

   Developer tool Production-ready You run JavaScript monorepos or many projects and want faster installs, less disk use and stricter dependency rules than npm.

   ★ 37k MIT Rust Active, pushed today
   
6. 6
   mise jdx

   dev tools, env vars, task runner

   Developer tool Production-ready Your team juggles nvm, pyenv, asdf, direnv and make-style scripts and wants one config file that works the same in the shell, the editor and CI.

   ★ 36k MIT Rust Active, pushed today
7. 7
   Poetry python-poetry

   Python packaging and dependency management made easy

   Developer tool Production-ready You already use Poetry or want an established all-in-one tool for building and publishing Python packages.

   ★ 34k MIT Python Active, pushed 3 days ago
8. 8
   Composer composer

   Dependency Manager for PHP

   Developer tool Production-ready You write PHP; there is effectively no alternative in that ecosystem.

   ★ 30k MIT PHP Active, pushed today