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C++ image processing and machine learning library with using of SIMD: SSE, AVX, AVX-512, AMX for x86/x64, NEON, SVE for ARM, HVX for Hexagon

Cista is a simple, high-performance, zero-copy C++ serialization & reflection library.

  • serialization
  • cpp
  • cpp17
  • reflection

Crack legacy zip encryption with Biham and Kocher's known plaintext attack.

  • crack
  • zip
  • multithread
  • attack

:zap: The Mobile Robot Programming Toolkit (MRPT)

  • mrpt
  • c-plus-plus
  • mobile-robotics
  • slam

Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, MySQL, DuckDB, Chromium, Redis and WebKit/Safari

  • cpp11
  • cpp17
  • cpp-library
  • high-performance

Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER. Part of Node.js, WebKit/Safari, Ladybird, Chromium, Cloudflare Workers, Ghostty and Bun.

  • utf8
  • utf16
  • unicode
  • simd

Experimental DLSS Multi Frame Generation controls for any supported MFG title on RTX 40 series GPUs

Custom memory allocators in C++ to improve the performance of dynamic memory allocation

  • memory-allocation
  • custom-allocator
  • pool-allocator
  • stack-allocator

robot_localization is a package of nonlinear state estimation nodes. The package was developed by Charles River Analytics, Inc. Please ask questions on answers.ros.org.

Cross-platform C++11 header-only library for memory mapped file IO

  • cpp
  • cpp11
  • cpp14
  • memory-mapped-file

A production-ready C++ vector graphics engine supporting SVG and Lottie formats, featuring advanced rendering backends such as WebGPU for high-performance graphics.

  • animation
  • 2d-graphics
  • embedded
  • graphics-library

WHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.

Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations. Pencil2D is open source and cross-platform.

  • animation
  • drawing
  • qt5
  • graphics2d