wqking/eventpp

Health v2 · maintenance only

Flags: no_license

Adoption not part of the score

1681 stars · 260 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

eventpp is a header-only C++11 library providing event dispatchers, callback lists, and event queues for implementing signal-slot, publisher-subscriber, and observer patterns. It is thread-safe, supports nested events, and is mature and production-ready.

Use cases

• implement signal and slot mechanism in C++
• build publish-subscribe event systems
• implement observer pattern without base class inheritance
• dispatch events asynchronously via an event queue
• handle events safely across multiple threads
• add event filters and one-shot listeners to C++ applications

When to choose

• you need a lightweight, header-only event system in C++11 or later
• you require thread-safe and exception-safe event dispatching
• you want to avoid dependencies and build steps
• you need high-performance event processing (millions of events per second)

When to avoid

• your project is not written in C++
• you need a full-featured reactive programming framework with operators
• you rely on Qt signals/slots and already have Qt in your stack

Facets

library · maturity stable

middleware developer-tools developer-tools cross-platform cpp cross-platform header-only event-dispatcher callback-list signal-slot observer-pattern publish-subscribe thread-safe event-queue cpp11

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