Top 23 C++ HTTP Server Projects

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1. drogon

   1 19 14,186 8.3 C++

   Drogon: A C++14/17/20 based HTTP web application framework running on Linux/macOS/Unix/Windows

   

   Project mention: C++ Web Server on my custom hobby OS | news.ycombinator.com | 2025-11-28

   related - someone should take a stab at actually finishing this :) https://github.com/drogonframework/drogon/issues/988

2. SaaSHub

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

   

3. POCO

   2 15 9,472 9.4 C++

   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.

   

4. Crow

   3 36 4,951 8.3 C++

   A Fast and Easy to use microframework for the web. (by CrowCpp)

   

5. Boost.Beast

   4 11 4,819 7.8 C++

   HTTP and WebSocket built on Boost.Asio in C++11

   

6. evpp

   5 1 3,768 0.0 C++

   A modern C++ network library for developing high performance network services in TCP/UDP/HTTP protocols.

   

7. userver

   6 6 2,946 9.9 C++

   Production-ready C++ Asynchronous Framework with rich functionality

   

   Project mention: Came across the async framework userver 3.0 recently – they've moved to C++20 | news.ycombinator.com | 2026-05-28

8. Restbed

   7 5 2,001 9.0 C++

   Corvusoft's Restbed framework brings asynchronous RESTful functionality to C++ applications.

   

9. CppServer

   8 1 1,644 5.6 C++

   Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution

   

10. lithium

    9 4 1,407 7.5 C++

    Easy to use C++17 HTTP Server with no compromise on performances. https://matt-42.github.io/lithium (by matt-42)

    

11. RESTinio

    10 14 1,301 7.5 C++

    Cross-platform, efficient, customizable, and robust asynchronous HTTP(S)/WebSocket server C++ library with the right balance between performance and ease of use

    

12. Cutelyst

    11 9 975 6.8 C++

    A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework.

    

13. libhttpserver

    12 2 949 9.8 C++

    C++ library for creating an embedded Rest HTTP server (and more)

    

14. IXWebSocket

    13 4 785 7.3 C++

    websocket and http client and server library, with TLS support and very few dependencies

    

15. paozhu

    14 0 663 9.3 C++

    Paozhu🧨 C++ Web Framework,(Based on C++20) Support HTTP/1 HTTP/2, Rapid development of CRUD web applications, Include modules HttpServer HttpClient WebSocket ORM

    

16. Tufão

    15 0 595 0.0 C++

    An asynchronous web framework for C++ built on top of Qt

    

17. QxOrm

    16 1 565 6.0 C++

    QxOrm library - C++ Qt ORM (Object Relational Mapping) and ODM (Object Document Mapper) library - Official repository

    

18. httpserver

    17 5 284 4.4 C++

    DuckDB HTTP API Server and Query Interface in a Community Extension

    

    Project mention: Data-at-Rest Encryption in DuckDB | news.ycombinator.com | 2025-11-20

    For pure duckdb, you can put an Arrow Flight server in front of duckdb[0] or use the httpserver extension. Where you store the .duckdb file will make a big difference in performance (e.g. S3 vs. Elastic File System).

    But I'd take a good look at ducklake as a better multiplayer option. If you store `.parquet` files in blob storage, it will be slower than `.duckdb` on EFS, but if you have largish data, EFS gets expensive.

    We[2] use DuckLake in our product and we've found a few ways to mitigate the performance hit. For example, we write all data into ducklake in blog storage, then create analytics tables and store them on faster storage (e.g. GCP Filestore). You can have multiple storage methods in the same DuckLake catalog, so this works nicely.

    0 - https://www.definite.app/blog/duck-takes-flight

    1 - https://github.com/Query-farm/httpserver

    2 - https://www.definite.app/

19. Turtle

    18 6 264 4.1 C++

    A C++17-based lightweight high-performance network library (by YukunJ)

    

20. PsychicHttp

    19 1 208 9.1 C++

    Simple + Robust HTTP/S server with websockets for ESP32 based on ESP-IDF http server.

    

21. SATPI

    20 1 174 3.1 C++

    SATIP server for linux, suitable to run on an Raspberry Pi, Vu+, GigaBlue or any other linux box. currently supporting DVB-S/S2/T/C and transform DVB-S requests to DVB-C

    

22. httpp

    21 0 162 5.1 C++

    Micro http server and client written in C++

    

23. malloy

    22 1 84 8.2 C++

    A cross-platform C++23 library providing embeddable server & client components for HTTP and WebSocket. (by Tectu)

    

24. kourier

    23 1 46 9.2 C++

    Kourier is an ultra-fast, 100% HTTP-compliant server.

    

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  1 project | news.ycombinator.com | 28 Nov 2025

• About new Session encryption protocol...

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• REST APIs using C++. (Is this even done much?)

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• A note from our sponsor - SaaSHub
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