# Software | Software | Description | |-------------------------------------------------|-----------------------------------------------------------------------| | [Joulescope UI](https://docs.joulescope.com/en/software/joulescope_ui/index.md) | The Joulescope desktop application for Windows, macOS and Linux. | | [Joulescope Driver](https://docs.joulescope.com/en/software/joulescope_driver/index.md) | The C and Python driver (`joulescope_driver`, `pyjoulescope_driver`). | | [pyjoulescope](https://docs.joulescope.com/en/software/pyjoulescope/index.md) | The original Python API (`joulescope`). | | [JLS File Format](https://docs.joulescope.com/en/software/jls/index.md) | The Joulescope file format and libraries (`jls`, `pyjls`). | Documentation for earlier software releases remains available on Read the Docs for the [driver](https://joulescope-driver.readthedocs.io/), [pyjoulescope](https://joulescope.readthedocs.io/) and [JLS](https://jls.readthedocs.io/).