yedf2/handy

Health v2 · maintenance only

Adoption not part of the score

4644 stars · 1322 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Handy is a simple, easy-to-use C++11 network server library supporting high-concurrency TCP/UDP servers with epoll on Linux and kqueue on macOS. It offers concise APIs (a full echo server in ~10 lines), graceful shutdown, timers, SSL via OpenSSL, protobuf codecs, and half-sync/half-async processing.

Use cases

• build a high-performance tcp server in c++
• handle millions of concurrent connections on one machine
• write a simple http server in c++
• build a udp server or client
• add ssl/tls to a c++ network server
• implement a half-sync half-async server
• learn epoll and kqueue event-driven programming

When to choose

• you want a lightweight, minimal C++11 networking library with a small API surface
• you need very high concurrent connection counts on Linux
• you want epoll/kqueue examples to learn event-driven networking

When to avoid

• you need a full-featured framework with async I/O across many platforms or Windows support
• you prefer mature, widely-adopted libraries like asio with large community support
• you need HTTP/2, WebSockets, or other advanced protocols out of the box

Facets

library · maturity maintenance

http-server websocket networking concurrency middleware networking backend developer-tools microservices cpp cross-platform c++11 epoll kqueue tcp-server udp high-concurrency event-driven openssl protobuf linux macos

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