C++ Messaging

Open-source C++ projects categorized as Messaging
Privacy P2P Qt GUI C++

Top 10 C++ Messaging Projects

  1. ZeroMQ

    ZeroMQ core engine in C++, implements ZMTP/3.1

  2. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

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  3. ricochet

    Anonymous peer-to-peer instant messaging

  4. blazingmq

    A modern high-performance open source message queuing system

    Project mention: BlazingMQ: A modern, high-performance open message queuing system | news.ycombinator.com | 2025-09-06
  5. Speek

    Privacy focused messenger that doesn't trust anyone with your identity, your contact list, or your communications

  6. eiskaltdcpp

    File sharing program using DC and ADC protocols

  7. QtFirebase

    An effort to bring Google's Firebase C++ API to Qt + QML

  8. conceal-core

    Conceal Core (CLI)

  9. C++ Middleware Writer

    The repo contains library code to support messaging and serialization. There are also two programs in the repo that are needed to use the CMW.

  10. conceal-desktop

    Conceal Desktop (GUI)

  11. stuff_sack

    Efficient multi-language message packing / serialization.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Index

What are some of the best open-source Messaging projects in C++? This list will help you:

# Project Stars
1 ZeroMQ 10,941
2 ricochet 3,916
3 blazingmq 3,196
4 Speek 761
5 eiskaltdcpp 415
6 QtFirebase 288
7 conceal-core 100
8 C++ Middleware Writer 90
9 conceal-desktop 70
10 stuff_sack 6

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