Pyzo
Pyzo is a free, open-source Python IDE for interactive programming, with an editor, shell, and built-in programmer tools.
What Pyzo is
Pyzo is a free, open-source Python IDE for interactive programming, with an editor, shell, and built-in programmer tools. It is aimed at data-centric work such as learning, science, data analysis, and application development. Pyzo uses Python interpreters installed on your system, including Conda environments, so running code requires both the IDE and a Python environment. You can run code in its shell, execute a selection or cell, or launch the current or main file. The editor offers auto-indentation, syntax highlighting, regular-expression search and replacement, and debugging breakpoints. Completion based on sessions and source code, function call tips, and interactive help aid coding. Multiple shells can run at the same time, including shells tied to different Python versions; each runs in a subprocess that can be interrupted or killed. Shell integrations include GUI toolkits and pip or conda package management. Built-in tools include a file browser, source structure view, workspace, and logger. Pyzo supports Linux, macOS, and Windows.
Good
- Free and open-source.
- Runs with system Python interpreters, including Conda environments.
- Multiple shells can use different Python versions.
- Includes debugging breakpoints and interactive help.
Watch out
- A separate Python environment is required to run code.
- No free trial is listed.
Who it suits
Pyzo suits learners, scientists, data analysts, and developers who want an interactive Python environment. It is also a fit for people who need to work with installed Python interpreters or Conda environments.
Verdict
Pyzo brings interactive execution, editing, and programming tools together for Python work. Its free, open-source offering is available on Linux, macOS, and Windows, but users need to install a Python environment as well as the IDE.
Plans and prices
From Pyzo's own pricing page, checked 4 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Pyzo | Free | Free and open-source computing environment |
The facts
Each one read from Pyzo's own pages, with the date it was checked.
What it does
- Audience
- Pyzo focuses on data-centric programming for learning, science, data analysis, and application development.checked 4 Oct 2026
- Editor
- The editor includes auto-indentation, syntax highlighting, regular-expression find and replace, and debugging breakpoints.checked 4 Oct 2026
- Environment requirement
- The quickstart says users need to install both the Pyzo IDE and a Python environment to run code.checked 4 Oct 2026
- Integrations
- The shell supports GUI toolkits including PySide, PyQt4, Tk, wx, fltk, and GTK, and package management through pip or conda.checked 4 Oct 2026
- Interactive execution
- Users can run code from the shell, run a selection or cell, or execute a current or main file.checked 4 Oct 2026
- Interpreter support
- The IDE works with Python interpreters installed on the system, including Conda environments.checked 4 Oct 2026
- Introspection
- Pyzo provides session and source-based completion, function call tips, and interactive help.checked 4 Oct 2026
- Product
- Pyzo is a free, open-source Python IDE aimed at interactivity and simplicity, with an editor, shell, and programmer tools.checked 4 Oct 2026
- Security and compliance
- The site describes Pyzo as free and open-source and says its code is hosted on GitHub; it provides no security or compliance certification details on these pages.checked 4 Oct 2026
- Shells
- Multiple shells can run simultaneously, including shells using different Python versions, and shells run in subprocesses that can be interrupted or killed.checked 4 Oct 2026
- Tools
- Built-in tools include a file browser, source structure view, interactive help, workspace, and logger.checked 4 Oct 2026
Where it runs
- Linux options
- Linux installation options include binaries, Flatpak, native Python and Qt packages, and installation from source.checked 4 Oct 2026
- Platforms
- The download guide provides Pyzo binaries for Windows, macOS, and Linux.checked 4 Oct 2026
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