µWebSockets

Highly scalable WebSocket server & client library for C++.

EstablishedOpen SourceLow lock-in
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Pricing

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Flat rate

Adoption

→Stable

License

Open Source

Data freshness

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Overview

What is µWebSockets?

µWebSockets is a high-performance WebSocket server and client library written in C++. It is designed to handle large numbers of concurrent connections efficiently, making it ideal for real-time applications that require low latency and high throughput.

Key differentiator

“µWebSockets stands out as one of the most performant and scalable WebSocket libraries available, specifically optimized for high-frequency data transmission scenarios where low latency is critical.”

Capability profile

Strength Radar

High performance…Supports both se…Optimized for ha…Minimalistic des…Cross-platform s…

Honest assessment

Strengths & Weaknesses

↑ Strengths

High performance and low latency for WebSocket connections.

Supports both server and client functionalities.

Optimized for handling a large number of concurrent connections.

Minimalistic design with no external dependencies.

Cross-platform support.

Fit analysis

Who is it for?

✓ Best for

Developers building real-time applications with C++ who require high performance and scalability.

Teams working on IoT projects needing efficient WebSocket communication.

Applications that need to handle a large number of concurrent connections without compromising on speed.

✕ Not a fit for

Projects requiring WebSocket support in languages other than C++.

Developers looking for a managed service or cloud-based solution.

Cost structure

Pricing

Free Tier

None

Starts at

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Model

Flat rate

Enterprise

None

Performance benchmarks

How Fast Is It?

Next step

Get Started with µWebSockets

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

View Setup Guide →