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Top 23 C++ c-plus-plus-11 Projects
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EA Standard Template Library
EASTL stands for Electronic Arts Standard Template Library. It is an extensive and robust implementation that has an emphasis on high performance.
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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.
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Strawberry can do this and was already my favorite music player on Linux/BSD systems even without that: https://www.strawberrymusicplayer.org/#features
It's a maintained fork of Clementine, which was a port of the amazing Amarok 1.4 to Qt4 which is all that Amarok 2 should have been in the first place.
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xsimd
C++ wrappers for SIMD intrinsics and parallelized, optimized mathematical functions (SSE, AVX, AVX512, NEON, SVE, WebAssembly, VSX, RISC-V))
Thanks, that's an important caveat!
> Meanwhile xsimd (https://github.com/xtensor-stack/xsimd) has the feature level as a template parameter on its vector objects
That's pretty cool because you can write function templates and instantiate different versions that you can select at runtime!
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OpenImageIO
Reading, writing, and processing images in a wide variety of file formats, using a format-agnostic API, aimed at VFX applications.
Great writeup!
I can't tell from your GLSL if these would have forced FMAs for a lot of the intermediate product sums. That would probably be a non-trivial effect, particularly for your large anisotropy cases.
The Heckbert paper also describes the basic theory, but you would want to supplement with some of the offline rendering work that followed it. OpenImageIO (OIIO) is pretty widely used, and has gone through several iterations of bug fixing like https://github.com/AcademySoftwareFoundation/OpenImageIO/pul...
But for your purposes, you probably just need to find all the magic epsilons and sign checks to make it match.
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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Vince's CSV Parser
A high-performance, fully-featured CSV parser and serializer for modern C++. (by vincentlaucsb)
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- Project mention: Hlslpp: Math library using HLSL syntax with multiplatform SIMD support | news.ycombinator.com | 2025-06-11
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mailio
mailio is a cross platform C++ library for MIME format and SMTP, POP3, IMAP protocols. It is based on the standard C++ 17 and Boost library.
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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++ c-plus-plus-11 discussion
C++ c-plus-plus-11 related posts
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LLVM 16.0.0 Release
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Learning to build networking applications using C/C++ from scratch
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I implement a fast, macro-based namedtuple works under C++11
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How do I make a GUI?
- A note from our sponsor - InfluxDB www.influxdata.com | 22 Dec 2025
Index
What are some of the best open-source c-plus-plus-11 projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | EA Standard Template Library | 9,076 |
| 2 | magnum | 5,089 |
| 3 | Boost.Beast | 4,716 |
| 4 | strawberry | 3,362 |
| 5 | xsimd | 2,565 |
| 6 | nana | 2,452 |
| 7 | OpenImageIO | 2,210 |
| 8 | toml11 | 1,213 |
| 9 | MongoDB C++ Driver | 1,089 |
| 10 | Vince's CSV Parser | 1,046 |
| 11 | Rapidcsv | 1,018 |
| 12 | hlslpp | 989 |
| 13 | glbinding | 865 |
| 14 | Rcpp | 781 |
| 15 | globjects | 554 |
| 16 | corrade | 515 |
| 17 | cppfs | 500 |
| 18 | mailio | 461 |
| 19 | magnum-examples | 309 |
| 20 | netLink | 221 |
| 21 | metapp | 122 |
| 22 | ANNetGPGPU | 110 |
| 23 | BackportCpp | 90 |
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www.influxdata.com