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Top 10 C++ pybind11 Projects
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AppSignal
AppSignal knows why the f*#k it crashed. Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
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envpool
C++-based high-performance parallel environment execution engine (vectorized env) for general RL environments.
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alpaca
Serialization library written in C++17 - Pack C++ structs into a compact byte-array without any macros or boilerplate code (by p-ranav)
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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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++ pybind11 discussion
C++ pybind11 related posts
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Python Audio Processing with Pedalboard
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🚀 Benchmarks of Python 3.14b2 with --disable-gil
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How do I improve my SB3 PPO on an EnvPool environment
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Swig – Connect C/C++ programs with high-level programming languages
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Anyone used matplotlibcpp17?
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Nanobind: Tiny and efficient C++/Python bindings
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Nanobind – Seamless operability between C++17 and Python
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A note from our sponsor - AppSignal
www.appsignal.com | 14 Oct 2026
Index
What are some of the best open-source pybind11 projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | pedalboard | 6,346 |
| 2 | nanobind | 3,740 |
| 3 | envpool | 1,529 |
| 4 | alpaca | 560 |
| 5 | flash-tokenizer | 458 |
| 6 | matplotlibcpp17 | 84 |
| 7 | PokerPy | 56 |
| 8 | oead | 50 |
| 9 | haxorg | 10 |
| 10 | frontend.py | 2 |
Sponsored
AppSignal knows why the f*#k it crashed.
Stop vibe-debugging. Every exception, every backtrace, grouped so you see patterns, not noise.
www.appsignal.com