Rattler
The facts below are what the maker publishes about Rattler, checked and dated. Our editors have not written about it yet.
The facts
Each one read from Rattler's own pages, with the date it was checked.
Where it runs
- Browser use
- The README names mambajs as a user of Rattler for solving and installing packages from the emscripten-forge channel in a browser.checked 11 Oct 2026
What it does
- Community support
- The README directs contributors with questions or requests to the project's Discord server.checked 11 Oct 2026
- Components
- The project includes crates for package archives, repository metadata, environment solving, shell activation, lockfiles, networking, and other Conda-related tasks.checked 11 Oct 2026
- Dependency resolution
- Yeschecked 21 Sep 2026
- Environment workflows
- Rattler can solve environments, install packages, and run commands in Conda environments.checked 11 Oct 2026
- Installation
- The README documents installing py-rattler with pip or conda and installing @conda-org/rattler with npm.checked 11 Oct 2026
- Integrations
- The project says Rattler is actively used by Pixi, rattler-build, and the prefix.dev backend.checked 11 Oct 2026
- Intended users
- Rattler is intended for developers building tools and libraries that need to interact with the Conda ecosystem from Rust or other languages.checked 11 Oct 2026
- JavaScript bindings
- The `@conda-org/rattler` package is compiled to WebAssembly and can be used in browsers or Node.js.checked 11 Oct 2026
- Language bindings
- Rattler offers Python bindings and JavaScript bindings compiled to WebAssembly for browsers and Node.js.checked 11 Oct 2026
- License
- The repository lists a BSD-3-Clause license.checked 11 Oct 2026
- Lockfile support
- Yeschecked 21 Sep 2026
- Operating systems
- The README gives example commands for Windows, Linux, and macOS.checked 11 Oct 2026
- Package formats
- .conda,.tar.bz2checked 21 Sep 2026
- Package verification
- The `rattler_sigstore` crate discovers, fetches, and verifies Sigstore attestations of Conda packages.checked 11 Oct 2026
- Package workflows
- Rattler can solve environments, download and install packages, and run programs in Conda environments.checked 11 Oct 2026
- Private registry auth
- Yeschecked 21 Sep 2026
- Product
- Rattler is a Rust library that provides functionality for working with the Conda ecosystem without requiring Python.checked 11 Oct 2026
- Purpose
- Its stated goal is to let applications work with Conda without depending on Python.checked 11 Oct 2026
- Python bindings
- Python bindings are available as `py-rattler` through pip or conda, and the README says they are designed for asyncio.checked 11 Oct 2026
- Rust API
- The project describes Rattler as providing a clean API and language bindings for use in non-Rust projects.checked 11 Oct 2026
- Security reporting
- The security policy asks users to report vulnerabilities through GitHub Security Advisories and says the security team will provide progress updates after its initial response.checked 11 Oct 2026
- Support and community
- The README invites contributors and directs questions, requests, or informal discussion to its Discord server.checked 11 Oct 2026
Money
- Free plan
- Yeschecked 21 Sep 2026


