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Top 23 C++ Library Projects
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webview
Tiny cross-platform webview library for C/C++. Uses WebKit (GTK/Cocoa) and Edge WebView2 (Windows).
Project mention: webview: Tiny cross-platform webview library for C/C++ | news.ycombinator.com | 2024-05-28 -
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While it doesn't capture every syscall, you can get pretty far with the (seemingly little known) Endpoint Security Framework: https://developer.apple.com/documentation/endpointsecurity
I cobbled together a little tool at my previous job that would capture a full trace of all process fork+exec and file opens, which would then present all of these events in the usual tracing UI (like you'd get when view a trace of a single program with Tracy[1] or Perfetto[2]).
We had a massive monorepo built with bazel and a heap of shell, and it wasn't clear which part of our code base was responsible for generating some mis-generated file. This tool gave me the whole inter-process call stack, complete with arguments and environment variables, letting me quickly find where and how to fix the problem.
It's such a nice tool to have that it kinda blows my mind that no one has openly published anything like it. By leveraging eBPF on Linux, the same UI could be used on both macOS and Linux. If I had more time and energy, I'd do it myself.
[1]: https://github.com/wolfpld/tracy
[2]: https://perfetto.dev/
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Back in 2022 libtorrent implemented memory mapped IO as part of v2 [1]. Unfortunately, it didn't go so well. Memory usage went through the sky, leading to performance degradation and crashing [2]. The issue is still open in the project to this day, and many programs have stuck with the v1.2 library instead.
It looks like they are headed to a multi-threaded pread implementation now [3] and someone has created a patch to tweak the current pread fallback from mmap to perform better in the meantime [4].
[1] - https://www.libtorrent.org/upgrade_to_2.0-ref.html
[2] - https://github.com/arvidn/libtorrent/issues/6667
[3] - https://github.com/arvidn/libtorrent/pull/7013
[4] - https://github.com/qbittorrent/qBittorrent/pull/21300
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Project mention: Cgal: A Powerful Open-Source Computational Geometry Library | news.ycombinator.com | 2024-08-06
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Arduino-IRremote
Infrared remote library for Arduino: send and receive infrared signals with multiple protocols
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Project mention: Tim Peters โ Dispelling Information Asymmetry | news.ycombinator.com | 2024-09-30
>They do have "Developers in Residence" now
Yes - three of them, out of dozens of core developers, selected by a process I can't discern. Of course, right now the money simply isn't there to compensate everyone appropriately. (But one wonders why the Steering Council apparently suddenly requires a "Communications Liaison".)
>The sooner we end this era of "the entire world runs on the good will of bored nerds volunteering their time", the better.
Python is nowhere near the only project with this problem. If you appreciate the fact that your computer can properly display text in non-European languages, consider offering some support to Behdad Esfahbod, main developer of Harfbuzz (https://github.com/harfbuzz/harfbuzz).
As far as I can tell, Linux and Mozilla are the only two open-source organizations that have any significant revenue behind them. Most are probably even worse off than Python.
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Project mention: Exploring biphasic programming: a new approach in language design | news.ycombinator.com | 2024-07-02
I'm going to hijack the mention of ML to share xbyaku, a c++ library presenting a DSL for assembling machine code at runtime (useful for JIT).
It's used by some of the pytorch back ends.
https://github.com/herumi/xbyak
Example use: https://github.com/oneapi-src/oneDNN/blob/main/src/cpu/aarch...
I learned about these through a blog post about speeding up pytorch on ARM: https://pytorch.org/blog/optimized-pytorch-w-graviton/
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I tried WezTerm on Windows because I was looking for a terminal with ligature support and lower input latency than Windows Terminal. Unfortunately, it still had higher input latency than cmd.exe. The only terminal with ligature support that comes close in terms of input latency is contour (https://contour-terminal.org/).
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Alternatives are glog from Google is full-featured, like spdlog, while Plog offers a lightweight alternative. Both are worthy upgrades on using C++ built-in std::clog.
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casadi
CasADi is a symbolic framework for numeric optimization implementing automatic differentiation in forward and reverse modes on sparse matrix-valued computational graphs. It supports self-contained C-code generation and interfaces state-of-the-art codes such as SUNDIALS, IPOPT etc. It can be used from C++, Python or Matlab/Octave.
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++ Library discussion
C++ Library related posts
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Show HN: An update to my friendly C++ WebGPU open source library
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Tim Peters โ Dispelling Information Asymmetry
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Logging all C++ destructors, poor mans run-time tracing
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Trace Profiler 0.11.1
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Louvre v2.0.0 Release (C++ Wayland Compositor Library)
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webview: Tiny cross-platform webview library for C/C++
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Tracy: A real time frame and sampling profiler for games and other applications
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A note from our sponsor - SaaSHub
www.saashub.com | 1 Dec 2024
Index
What are some of the best open-source Library projects in C++? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | imgui | 61,410 |
| 2 | webview | 12,703 |
| 3 | Apache Thrift | 10,414 |
| 4 | tracy | 10,247 |
| 5 | librealsense | 7,630 |
| 6 | td | 7,221 |
| 7 | cpr | 6,610 |
| 8 | libtorrent | 5,272 |
| 9 | CGal | 5,023 |
| 10 | Clipboard | 4,855 |
| 11 | Arduino-IRremote | 4,529 |
| 12 | harfbuzz | 4,165 |
| 13 | oneDNN | 3,638 |
| 14 | rttr | 3,199 |
| 15 | indicators | 3,043 |
| 16 | argparse | 2,715 |
| 17 | contour | 2,460 |
| 18 | etl | 2,255 |
| 19 | plog | 2,225 |
| 20 | proxy | 2,228 |
| 21 | FunctionalPlus | 2,130 |
| 22 | tabulate | 1,952 |
| 23 | casadi | 1,751 |
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