docs/index.md
Pixi is a fast, modern, and reproducible package management tool for developers of all backgrounds.
π Reproducibility
Isolated, easily recreated environments with lockfiles built-in
π οΈ Tasks
Manage complex pipelines effortlessly.
π Multi Platform
Works on Linux, macOS, Windows, and more.
𧩠Multiple Environments
Compose multiple environments in one manifest.
π Python
Support for pyproject.toml and PyPI through uv.
πΎ Disk Efficient Environments share files through hard links or reflinks, so packages are stored only once.
π Global Tools
Install global tools, safely isolated. Replacing apt, homebrew, winget.
Project setup is a breeze with Pixi.
pixi init hello-world
cd hello-world
pixi add python
pixi run python -c 'print("Hello World!")'
Install your favorite tools with a single command.
pixi global install gh nvim ipython btop ripgrep
| Builtin Core Features | Pixi | Conda | Pip | Poetry | uv |
|---|---|---|---|---|---|
| Installs Python | β | β | β | β | β |
| Supports Multiple Languages | β | β | β | β | β |
| Lockfiles | β | β | β | β | β |
| Task runner | β | β | β | β | β |
| Workspace Management | β | β | β | β | β |
Pixi defaults to the biggest Conda package repository, conda-forge, which contains over 30,000 packages.
python, scikit-learn, pytorchclang, boost, opencv, ninjaopenjdk, gradle, mavenrust, cargo-edit, cargo-instanodejs, bun, pnpm, eslintgit, gh, ripgrep, makeAnd browse the thousands more on prefix.dev, or host your own channels
To install pixi, run:
=== "Linux & macOS"
bash curl -fsSL https://pixi.sh/install.sh | sh
=== "Windows" Download installer{ .md-button }
Or run:
```powershell
powershell -ExecutionPolicy ByPass -c "irm -useb https://pixi.sh/install.ps1 | iex"
```
!!! tip "Now restart your terminal or shell!" The installation needs to become effective by restarting your terminal or sourcing your shell.
??? question "Don't trust our link? Check the script!"
You can check the installation sh script: download and the ps1: download.
The scripts are open source and available on GitHub.
See all installation options β
=== "Python"
1. Initialize a workspace:
pixi init hello-world cd hello-world
2. Add dependencies into the default environment:
pixi add cowpy python
3. Create your script:
py title="hello.py" --8<-- "docs/source_files/pixi_workspaces/introduction/deps_add/hello.py"
5. Add a task:
pixi task add start python hello.py
6. Run the task:
pixi run start
β¨ Pixi task (start): python hello.py __________________ < Hello Pixi fans! > ------------------ \ ^__^ \ (oo)\_______ (__)\ )\/\ ||----w | || ||
7. Enter the shell into the environment:
pixi shell python hello.py exit
More details on how to use Pixi with Python can be found in the [Python tutorial](python/tutorial.md).
=== "Rust"
1. Initialize a workspace:
pixi init pixi-rust cd pixi-rust
2. Add dependencies:
pixi add rust
3. Create your workspace:
pixi run cargo init
4. Add a task:
pixi task add start cargo run
5. Run the task:
pixi run start
β¨ Pixi task (start): cargo run Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.02s Running `target/debug/pixi-rust` Hello, world!
This is more of an example to show off how easy it is to use Pixi with Rust.
Not a recommended way to build Rust projects.
More details on how to use Pixi with Rust can be found in the [Rust tutorial](tutorials/rust.md).
=== "Node.js"
1. Initialize a workspace:
pixi init pixi-node cd pixi-node
2. Add dependencies:
pixi add nodejs
3. Create your script:
js title="hello.js" console.log("Hello Pixi fans!");
4. Add a task:
pixi task add start "node hello.js"
5. Run the task:
pixi run start
β¨ Pixi task (start): node hello.js Hello Pixi fans!
=== "ROS2"
1. **Initialize a workspace:**
```
pixi init pixi-ros2 -c https://prefix.dev/conda-forge -c "https://prefix.dev/robostack-humble"
cd pixi-ros2
```
2. **Add dependencies:**
```
pixi add ros-humble-desktop
```
??? tip "This might take a minute"
Depending on your internet connection, this will take a while to install, as it will download the entire ROS2 desktop package.
3. **Start Rviz**
```
pixi run rviz2
```
More details on how to use Pixi with ROS2 can be found in the [ROS2 tutorial](tutorials/ros2.md).
=== "DevOps"
1. Install all your favorite tools with a single command:
shell pixi global install terraform ansible k9s make
2. Use them everywhere:
shell ansible --version terraform --version k9s version make --version