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Pyzo

pyzo.org

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Spec score 7.4 #17 of 26 in Python IDEs

What it is

Pyzo is a free, open-source Python IDE built for interactive and simple programming. It targets data-centric work including learning, science, data analysis, and application development. The editor provides auto-indentation, syntax highlighting, regular-expression search and replacement, and debugging breakpoints. Its shell can run code, selections, cells, or files, and multiple shells can operate simultaneously with different Python versions. Shells run in interruptible subprocesses. Session and source completion, function call tips, interactive help, a file browser, source structure view, workspace, and logger support development. Pyzo works with system-installed Python interpreters, including Conda environments, and supports pip or conda package management plus several GUI toolkits. It runs on Linux, macOS, and Windows. Running code requires installing both Pyzo and a Python environment.

Spec sheet

Product
Pyzo is a free, open-source Python IDE aimed at interactivity and simplicity, with an editor, shell, and programmer tools.Read 4 Oct 2026 · pyzo.org
Audience
Pyzo focuses on data-centric programming for learning, science, data analysis, and application development.Read 4 Oct 2026 · pyzo.org
Platforms
The download guide provides Pyzo binaries for Windows, macOS, and Linux.Read 4 Oct 2026 · pyzo.org
Integrations
The shell supports GUI toolkits including PySide, PyQt4, Tk, wx, fltk, and GTK, and package management through pip or conda.Read 4 Oct 2026 · pyzo.org
Editor
The editor includes auto-indentation, syntax highlighting, regular-expression find and replace, and debugging breakpoints.Read 4 Oct 2026 · pyzo.org
Environment requirement
The quickstart says users need to install both the Pyzo IDE and a Python environment to run code.Read 4 Oct 2026 · pyzo.org
Interactive execution
Users can run code from the shell, run a selection or cell, or execute a current or main file.Read 4 Oct 2026 · pyzo.org
Interpreter support
The IDE works with Python interpreters installed on the system, including Conda environments.Read 4 Oct 2026 · pyzo.org
Introspection
Pyzo provides session and source-based completion, function call tips, and interactive help.Read 4 Oct 2026 · pyzo.org
Linux options
Linux installation options include binaries, Flatpak, native Python and Qt packages, and installation from source.Read 4 Oct 2026 · pyzo.org
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.Read 4 Oct 2026 · pyzo.org
Shells
Multiple shells can run simultaneously, including shells using different Python versions, and shells run in subprocesses that can be interrupted or killed.Read 4 Oct 2026 · pyzo.org
Tools
Built-in tools include a file browser, source structure view, interactive help, workspace, and logger.Read 4 Oct 2026 · pyzo.org

Plans and prices

Pyzo Free Free and open-source computing environment Read 4 Oct 2026 · pyzo.org

Every Pyzo plan and price →

Strong points and limits

Strong points

  • Free and open-source
  • Interactive shell execution
  • Multiple interruptible Python shells
  • Integrated debugger and code completion
  • Supports Linux, macOS, and Windows

Limits

  • Requires a separate Python environment
  • No free trial is listed
  • Security certifications are not provided

Who it suits

It suits learners, scientists, analysts, and developers who want an interactive Python environment. Users must provide their own Python interpreter or Conda environment.

Verdict

Pyzo offers a focused, open-source workspace for interactive Python and data-oriented programming. Its dependence on a separately installed interpreter is the main setup requirement.

Where Specifiction places it

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