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. Learn more β
Top 18 C++ single-header Projects
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InfluxDB
InfluxDB β 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.
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Project mention: Show HN: What two years of maintenance on a project I love looks like | news.ycombinator.com | 2024-08-25
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matchit.cpp
match(it): A lightweight single-header pattern-matching library for C++17 with macro-free APIs.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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x86RetSpoof
Invoke functions with a spoofed return address. For 32-bit Windows binaries. Supports __fastcall, __thiscall, __stdcall and __cdecl calling conventions. Written in C++17.
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Project mention: Dataflow programming on an MCU in C++: tiny pubsub library for DSP and controls | news.ycombinator.com | 2025-03-25
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
C++ single-header discussion
C++ single-header related posts
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how do you properly benchmark?
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Much Faster than std::string, fmt::format, std::to_chars, std::time and more?
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I donβt know which container to use (and at this point Iβm too afraid to ask)
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C++20 std::format is 2x slower than std::fstream?
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Nanobench: Fast, single-header microbenchmarking functionality for C++
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Curl4cpp β single header C++ cURL wrapper around libcURL
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curl4cpp - single header c++ cURL wrapper around libcURL
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A note from our sponsor - InfluxDB
www.influxdata.com | 14 May 2025
Index
What are some of the best open-source single-header projects in C++? This list will help you:
# | Project | Stars |
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1 | indicators | 3,167 |
2 | proxy | 2,638 |
3 | tabulate | 2,007 |
4 | cr | 1,642 |
5 | nanobench | 1,540 |
6 | watcher | 734 |
7 | matchit.cpp | 588 |
8 | csv2 | 583 |
9 | leaf | 325 |
10 | itoa | 223 |
11 | x86RetSpoof | 171 |
12 | meta.hpp | 136 |
13 | Heady | 54 |
14 | ramen | 46 |
15 | curl4cpp | 13 |
16 | iface | 6 |
17 | command | 3 |
18 | EventSystem | 1 |