uv vs virtualenv
| uv | virtualenv | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | No |
| Paid from | Free | — |
| Open source | No | No |
| Platforms | Linux, macOS, Windows | Linux, macOS, Windows |
| Free plan | Yes | Yes |
| Lockfile support | Yes | — |
| Environment management | — | Yes |
| Supported platforms | — | cross-platform |
Both are listed in Best Python Package Managers. On Specifiction, uv scores higher on our published basis.