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15 repositories · updated 2026-11-06

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1simdjson / simdjsonParsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocksC++Apache-2.0 · PermissiveInsufficient rank history24,504
2Tencent / ncnnncnn is a high-performance neural network inference framework optimized for the mobile platformC++License not declaredInsufficient rank history24,030
3RyanCodrai / turbovecA vector index built on TurboQuant, written in Rust with Python bindingsRustMIT · PermissiveInsufficient rank history17,470
4openwall / johnJohn the Ripper jumbo - advanced offline password cracker, which supports hundreds of hash and cipher types, and runs on many operating systems, CPUs, GPUs, and even some FPGAsCLicense not declaredInsufficient rank history13,874
5FareedKhan-dev / kimi-k3-in-cA 2.78-trillion-parameter Kimi K3 running inference on a single CPU in 8.24 GB of RAM. Portable C99: no BLAS, no framework, no GPU.CApache-2.0 · PermissiveInsufficient rank history10,835
6bytedance / sonicA blazingly fast JSON serializing & deserializing libraryGoApache-2.0 · PermissiveInsufficient rank history9,653
7Unity-Technologies / EntityComponentSystemSamplesUnity DOTS sample projects demonstrating Entities, Physics, Netcode and Entities.Graphics packages.C#License not declaredInsufficient rank history8,213
8google / highwayPerformance-portable, length-agnostic SIMD with runtime dispatchC++License not declaredInsufficient rank history5,960
9unum-cloud / USearchFast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍C++Apache-2.0 · PermissiveInsufficient rank history4,371
10ashvardanian / StringZillaUp to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖CApache-2.0 · PermissiveInsufficient rank history3,584
11recp / cglm📽 Highly Optimized 2D / 3D Graphics Math (glm) for CCMIT · PermissiveInsufficient rank history3,045
12ermig1979 / SimdC++ image processing and machine learning library with using of SIMD: SSE, AVX, AVX-512, AMX for x86/x64, NEON, SVE for ARM, HVX for HexagonC++MIT · PermissiveInsufficient rank history2,275
13agavrel / 42_CheatSheetA comprehensive guide to 50 years of evolution of strict C programming, a tribute to Dennis Ritchie's languageCLicense not declaredInsufficient rank history2,021
14ashvardanian / NumKongSIMD-accelerated distances, dot products, matrix ops, geospatial & geometric kernels for 16 numeric types — from 6-bit floats to 64-bit complex — across x86, Arm, RISC-V, and WASM, with bindings for Python, Rust, C, C++, Swift, JS, and Go 📐CApache-2.0 · PermissiveInsufficient rank history1,907
15ada-url / adaWHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudflare Workers.C++Apache-2.0 · PermissiveInsufficient rank history1,902
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