Side by side
Poetry vs Rattler
Both stand on package managers. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxMacWindows
Poetry covers dependency management, packaging, and publishing across major desktop operating systems. Account for its Python requirement and possible slower dependency resolution for some package sets.
Visit Poetry Free plan APILinuxMac+3
Rattler provides broad Conda environment and package capabilities through Rust, with bindings for Python and JavaScript targets. Its lockfiles, registry authentication, and package-attestation support are useful for developers building Conda-aware software.
Visit RattlerThe facts
| Poetry | Rattler | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Linux, Mac, Windows | API, Linux, Mac, Self-hosted, Web, Windows |
| Lowest paid plan | Not published | Not published |
| Plans published | None | None |
| Maker | Not published | Not published |
| Website | python-poetry.org | github.com |
| On package managers | #34 of 93 | #38 of 93 |
Poetry: what it does well
- Lockfiles support repeatable installs
- Builds source distributions and wheels
- Publishes to PyPI and private repositories
- Supports Linux, macOS, and Windows
What to know first
- Requires Python 3.10 or later
- Resolution can take time when PyPI JSON metadata is unavailable
- Credentials use auth.toml when no supported keyring is available
Rattler: what it does well
- Works with Conda without requiring Python
- Supports dependency resolution and lockfiles
- Python and WebAssembly language bindings
- Private registry authentication included
- Verifies Sigstore package attestations
What to know first
- No free trial is listed
- Requires development work to integrate
- Package formats are limited to .conda and .tar.bz2
Alternatives to Poetry Alternatives to Rattler The whole list