---
id: multiprocess
version: "0.70.19"
license: BSD-3-Clause
license_treatment: permissive
maintenance: active
---

# multiprocess — better multiprocessing and multithreading in Python

License: permissive · Maintenance: active · Popularity: top 1,000 on PyPI

## Install

pip install multiprocess
uv add multiprocess
poetry add multiprocess

## Description

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multiprocess: better multiprocessing and multithreading in Python
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About Multiprocess
==================

``multiprocess`` is a fork of ``multiprocessing``. ``multiprocess`` extends ``multiprocessing`` to provide enhanced serialization, using ``dill``. ``multiprocess`` leverages ``multiprocessing`` to support the spawning of processes using the API of the Python standard library's ``threading`` module. ``multiprocessing`` has been distributed as part of the standard library since Python 2.6.

``multiprocess`` is part of ``pathos``,  a Python framework for heterogeneous computing.
``multiprocess`` is in active development, so any user feedback, bug reports, comments,
or suggestions are highly appreciated.  A list of issues is located at https://github.com/uqfoundation/multiprocess/issues, with a legacy list maintained at https://uqfoundation.github.io/project/pathos/query.


Major Features
==============

``multiprocess`` enables:

    - objects to be transferred between processes using pipes or multi-producer/multi-consumer queues
    - objects to...

## AI interpretation — verify before relying

multiprocess extends Python's standard multiprocessing with enhanced serialization via dill, enabling better inter-process communication and object transfer across spawned processes and thread-like APIs.

Verdict: Production-stable fork of multiprocessing with active maintenance, no known vulnerabilities, and permissive licensing. Low install friction and broad Python version support (3.9–3.14) make it suitable for projects needing robust inter-process serialization beyond the standard library.

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