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Top 17 C++ Asynchronou Projects
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InfluxDB
InfluxDB high-performance time series database. Collect, organize, and act on massive volumes of high-resolution data to power real-time intelligent systems.
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To dive deeper into Quill or contribute to the project, visit the GitHub repository or the Documentation page.
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Restbed
Corvusoft's Restbed framework brings asynchronous RESTful functionality to C++14 applications.
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lithium
Easy to use C++17 HTTP Server with no compromise on performances. https://matt-42.github.io/lithium (by matt-42)
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G3log
G3log is an asynchronous, "crash safe", logger that is easy to use with default logging sinks or you can add your own. G3log is made with plain C++14 (C++11 support up to release 1.3.2) with no external libraries (except gtest used for unit tests). G3log is made to be cross-platform, currently running on OSX, Windows and several Linux distros. See Readme below for details of usage.
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Project mention: C++ patterns for low-latency applications including high-frequency trading | news.ycombinator.com | 2024-07-08
I made a C++ logging library [1] that has many similarities to the LMAX disruptor. It appears to have found some use among the HFT community.
The original intent was to enable highly detailed logging without performance degradation for "post-mortem" debugging in production environments. I had coworkers who would refuse to include logging of certain important information for troubleshooting, because they were scared that it would impact performance. This put an end to that argument.
[1] https://github.com/mattiasflodin/reckless
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Project mention: C++ logging library – something I've been working on | news.ycombinator.com | 2025-01-01
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ntf-core
Sockets, timers, resolvers, events, reactors, proactors, and thread pools for asynchronous network programming
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socketwrapper
Async/Sync networking library including UDP, TCP and TLS/TCP socket classes written in C++ 17 that utilizes epoll and kqueue as backend.
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SaaSHub
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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).
C++ Asynchronous discussion
C++ Asynchronous related posts
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Criando uma Runtime
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Quill: High-Performance Asynchronous C++ Logging Library
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Show HN: A modern CGI web framework for C++
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Rust vs Go/JVM: dev speed + safety in practice
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Is there a good cross-platform (Windows / Linux) C or C++ library for file I/O?
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How can i send qos 1 mqtt messages to aws?
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ESPHome: MQTT over Websockets?
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A note from our sponsor - CodeRabbit
coderabbit.ai | 30 Apr 2025
Index
What are some of the best open-source Asynchronou projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | userver | 2,587 |
| 2 | quill | 2,165 |
| 3 | Restbed | 1,956 |
| 4 | async_simple | 1,898 |
| 5 | lithium | 1,315 |
| 6 | G3log | 919 |
| 7 | async-mqtt-client | 880 |
| 8 | reckless | 495 |
| 9 | asio-grpc | 407 |
| 10 | lwlog | 289 |
| 11 | packio | 146 |
| 12 | ntf-core | 83 |
| 13 | liblifthttp | 68 |
| 14 | zab | 65 |
| 15 | socketwrapper | 38 |
| 16 | asyncgi | 37 |
| 17 | iara | 13 |
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