RPyC

A transparent and symmetric RPC library for Python

EstablishedOpen SourceLow lock-in

Pricing

Free tier

Flat rate

Adoption

Cooling

License

Open Source

Data freshness

Aging · Jun 8, 2026

Overview

What is RPyC?

RPyC is a Remote Procedure Call library that allows you to expose local objects remotely, making them accessible over the network. It's designed with simplicity and transparency in mind, providing a seamless experience for developers working with distributed systems.

Key differentiator

RPyC stands out with its simplicity and transparency in providing remote procedure call functionality, making it an excellent choice for developers who need to expose local objects remotely without the complexity of other RPC solutions.

Capability profile

Capability Radar

Ease of StartEcosystemValueMaturityFlexibilityScale Ready

Honest assessment

Strengths & Weaknesses

↑ Strengths

Transparent and symmetric RPC functionalitymedium

Simplicity in exposing local objects remotelymedium

Network accessibility for Python applicationsmedium

↓ Weaknesses

Limited language support restricts cross-language projectshigh

RPyC is primarily designed for Python and lacks robust support for other languages, limiting its utility in polyglot environments.

Complex setup for secure connections can be dauntingmedium

Configuring RPyC to use SSL/TLS requires manual configuration and handling of certificates, which can be error-prone and time-consuming.

Performance overhead due to Python's GILhigh

RPyC's performance is constrained by the Global Interpreter Lock (GIL) in CPython, potentially leading to slower execution times for CPU-bound tasks.

Documentation lacks depth and examples for advanced use casesmedium

The official documentation provides basic usage but falls short on detailed explanations of advanced features or troubleshooting common issues.

Fit analysis

Who is it for?

✓ Best for

Developers working on distributed systems who need to expose local objects remotely

Teams building networked applications that require seamless remote procedure calls in Python

✕ Not a fit for

Projects requiring real-time streaming capabilities (RPyC is not designed for this)

Applications needing a web-based UI or platform integration, as RPyC operates primarily as a library

Cost structure

Pricing

Free Tier

Available

Open source — free to use

Starts at

$0

Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Ecosystem

Relationships

Works well with

Next step

Get Started with RPyC

Step-by-step setup guide with code examples and common gotchas.

View Setup Guide →