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Top 16 C++ HTTP Client Projects
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FileCentipede
Cross-platform internet upload/download manager for HTTP(S), FTP(S), SSH, magnet-link, BitTorrent, m3u8, ed2k, and online videos. WebDAV client, FTP client, SSH client.
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JetBrains
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POCO
The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.
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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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Sevalla
Deploy and host your apps and databases, now with $50 credit! Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more!
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dillo-plus
A lightweight web browser based on Dillo but with many improvements, such as: support for http, https, gemini, gopher, epub, reader mode and more...
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malloy
A cross-platform C++23 library providing embeddable server & client components for HTTP and WebSocket. (by Tectu)
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hook
Open source (free to use) high-performance network communications library including Http server/client support. Header only and designed using the latest C++ standards to provide for a full featured and modern API. Supporting for a wide range of platforms (including embedded, IoT & MCUs). (by koobika)
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qbm-http
High-performance HTTP/1.1 & HTTP/2 client/server module for QB Actor Framework. Features async I/O, routing engine, middleware system, JWT auth, and SSL/TLS support. Build REST APIs, web services, and HTTP clients with modern C++17 and zero-copy operations.
Target Audience: Intermediate C++ developers looking to build fast and scalable web backends. GitHub: https://github.com/isndev/qbm-http
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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++ HTTP Client discussion
C++ HTTP Client related posts
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How to Use "Cats" dataset with Python ReductStore SDK
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Introducing the New Release of ReductStore Python SDK: v1.3.0: Labels Support and More
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Quick Start with the ReductStore Python SDK
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All Client SDKs were updated for Reduct Storage v1.1.0
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Reduct Storage Python Client Release v1.0.0
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A note from our sponsor - InfluxDB
www.influxdata.com | 1 Sep 2025
Index
What are some of the best open-source HTTP Client projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | FileCentipede | 10,566 |
| 2 | POCO | 9,153 |
| 3 | Boost.Beast | 4,617 |
| 4 | userver | 2,687 |
| 5 | restclient-cpp | 1,601 |
| 6 | lithium | 1,349 |
| 7 | restc-cpp | 635 |
| 8 | FRequest | 172 |
| 9 | httpp | 167 |
| 10 | dillo-plus | 161 |
| 11 | malloy | 84 |
| 12 | liblifthttp | 70 |
| 13 | reduct-cpp | 9 |
| 14 | express-client | 8 |
| 15 | hook | 8 |
| 16 | qbm-http | 3 |
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