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Top 23 C++ Cpp14 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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modern-cpp-tutorial
π Modern C++ Tutorial: C++11/14/17/20 On the Fly | https://changkun.de/modern-cpp/
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Catch
A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)
The C++ testing framework Catch2 enables this kind of testing. The first time I saw it I couldn't figure out how some of the tests would even pass.
It turns out that using some evil macro magic, each test re-runs from the start for each inner section [1]. It also makes deduplicating setup code completely painless and natural.
You just have to get over the completely non-standard control flow. It's a good standard bearer for why metaprogramming is great, even if you're forced to do it in C/C++'s awful macro system.
[1] https://github.com/catchorg/Catch2/blob/devel/docs/tutorial....
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catch2 has become fairly bloated. doctest takes all of the best parts of catch2 without all the bloat and the end result is a test framework that is literally over 10x faster than catch2. It's also like 90% compatible with catch2 so porting your tests to it is pretty easy.
Especially if you have a build process that always runs your unit tests, it's nice to have a very fast test/compile/debug loop.
https://github.com/doctest/doctest
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immer
Postmodern immutable and persistent data structures for C++ β value semantics at scale (by arximboldi)
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Turbo Vision
A modern port of Turbo Vision 2.0, the classical framework for text-based user interfaces. Now cross-platform and with Unicode support.
Not exactly what you're looking for, but there's Shell in a Box (see https://github.com/shellinabox/shellinabox), that can create a terminal on a web page, and expose an actual terminal application running on a server.
One thing that is certainly doable is also to use a standard TUI framework in another language (there are many of them, e.g. https://github.com/magiblot/tvision for C++, https://github.com/charmbracelet/bubbletea for Go, etc.), compile it to WASM, and find how to bridge the WASM output to the browser (I've seen this: https://github.com/cryptool-org/wasm-webterm, but never tried it).
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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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kfr
Fast, modern C++ DSP framework, FFT, Sample Rate Conversion, FIR/IIR/Biquad Filters (SSE, AVX, AVX-512, ARM NEON)
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Project mention: Understanding SIMD: Infinite Complexity of Trivial Problems | news.ycombinator.com | 2024-11-30
I'm surprised no one has mentioned Vc. I found ispc clunky and not as performant, and std::simd didn't support some useful math ops like rsqrt. Vc has been around for years, I have no trouble including it in my codes, it has masking and many of the most useful math ops, and I can get over 1 TF/s on a consumer-grade Ryzen and at least 3 TF/s on the big Epyc CPUs.
https://github.com/VcDevel/Vc
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filesystem
An implementation of C++17 std::filesystem for C++11 /C++14/C++17/C++20 on Windows, macOS, Linux and FreeBSD.
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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++ Cpp14 discussion
C++ Cpp14 related posts
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Show HN: FkYAML, a C++ Header-Only Library for YAML
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Quill Low Latency Logging Library C++17
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Quickly checking whether a string needs escaping
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C++20 Idioms for Parameter Packs
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Nghttp2 1.57.0 β HTTP/2 C Library
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Rooting for P1061 "Structured Bindings can introduce a Pack"
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Show HN: A hash array-mapped trie implementation in C
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A note from our sponsor - SaaSHub
www.saashub.com | 18 Jun 2025
Index
What are some of the best open-source Cpp14 projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | CPlusPlusThings | 41,317 |
| 2 | modern-cpp-tutorial | 24,828 |
| 3 | Catch | 19,470 |
| 4 | Modern-CPP-Programming | 13,360 |
| 5 | doctest | 6,257 |
| 6 | cppinsights | 4,298 |
| 7 | cpp-cheatsheet | 3,397 |
| 8 | immer | 2,575 |
| 9 | Turbo Vision | 2,282 |
| 10 | quill | 2,217 |
| 11 | FunctionalPlus | 2,192 |
| 12 | tabulate | 2,022 |
| 13 | eos | 1,951 |
| 14 | mio | 1,790 |
| 15 | hana | 1,768 |
| 16 | rpclib | 1,760 |
| 17 | kfr | 1,738 |
| 18 | CppCon2020 | 1,629 |
| 19 | cpp | 1,623 |
| 20 | rang | 1,534 |
| 21 | Vc | 1,491 |
| 22 | filesystem | 1,439 |
| 23 | pfr | 1,398 |
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