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    • serenedb

      Public
      The First Real-Time Search Analytics Database
      C++
      Apache License 2.0
      4165019930Updated Jul 24, 2026Jul 24, 2026
    • duckdb

      Public
      DuckDB is an analytical in-process SQL database management system
      C++
      MIT License
      3.5k003Updated Jul 24, 2026Jul 24, 2026
    • OpenBLAS

      Public
      OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version.
      C
      BSD 3-Clause "New" or "Revised" License
      1.7k000Updated Jul 24, 2026Jul 24, 2026
    • C++
      MIT License
      100001Updated Jul 23, 2026Jul 23, 2026
    • C++ client library for ClickHouse
      C
      Apache License 2.0
      207000Updated Jul 23, 2026Jul 23, 2026
    • Benchmark for full-text search engines on log-shaped data
      Shell
      Apache License 2.0
      0101Updated Jul 22, 2026Jul 22, 2026
    • faiss

      Public
      A library for efficient similarity search and clustering of dense vectors.
      C++
      MIT License
      4.5k000Updated Jul 22, 2026Jul 22, 2026
    • simdutf

      Public
      Unicode routines (UTF8, UTF16, UTF32) and Base64: billions of characters per second using SSE2, AVX2, NEON, AVX-512, RISC-V Vector Extension, LoongArch64, POWER…
      C++
      Apache License 2.0
      142000Updated Jul 21, 2026Jul 21, 2026
    • Fast integer compression in C using the StreamVByte codec
      C
      Apache License 2.0
      50000Updated Jul 21, 2026Jul 21, 2026
    • Computational geometry and spatial indexing on the sphere
      C++
      Apache License 2.0
      358001Updated Jul 21, 2026Jul 21, 2026
    • re2

      Public
      RE2 is a fast, safe, thread-friendly alternative to backtracking regular expression engines like those used in PCRE, Perl, and Python. It is a C++ library.
      C++
      BSD 3-Clause "New" or "Revised" License
      1.2k001Updated Jul 21, 2026Jul 21, 2026
    • GoogleTest - Google Testing and Mocking Framework
      C++
      BSD 3-Clause "New" or "Revised" License
      11k000Updated Jul 21, 2026Jul 21, 2026
    • fmt

      Public
      A modern formatting library
      C++
      Other
      2.9k000Updated Jul 21, 2026Jul 21, 2026
    • CRoaring

      Public
      Roaring bitmaps in C (and C++), with SIMD (AVX2, AVX-512 and NEON) optimizations: used by Apache Doris, ClickHouse, Alibaba Tair, Redpanda, YDB and StarRocks
      C
      Other
      327000Updated Jul 21, 2026Jul 21, 2026
    • benchmark

      Public
      A microbenchmark support library
      C++
      Apache License 2.0
      1.8k000Updated Jul 21, 2026Jul 21, 2026
    • ada

      Public
      WHATWG-compliant and fast URL parser written in modern C++, part of Internet Archive, Node.js, Clickhouse, Redpanda, Kong, Telegram, Adguard, Datadog and Cloudf…
      C++
      Apache License 2.0
      131000Updated Jul 21, 2026Jul 21, 2026
    • Abseil Common Libraries (C++)
      C++
      Apache License 2.0
      3.2k000Updated Jul 21, 2026Jul 21, 2026
    • jemalloc

      Public
      C
      Other
      1.6k000Updated Jul 21, 2026Jul 21, 2026
    • C++
      MIT License
      92000Updated Jul 21, 2026Jul 21, 2026
    • brotli

      Public
      Brotli compression format
      TypeScript
      MIT License
      1.4k000Updated Jul 21, 2026Jul 21, 2026
    • snappy

      Public
      A fast compressor/decompressor
      C++
      Other
      1k000Updated Jul 21, 2026Jul 21, 2026
    • zlib-ng

      Public
      zlib replacement with optimizations for "next generation" systems.
      C
      zlib License
      335000Updated Jul 21, 2026Jul 21, 2026
    • zstd

      Public
      Zstandard - Fast real-time compression algorithm
      C
      Other
      2.5k000Updated Jul 21, 2026Jul 21, 2026
    • C++
      MIT License
      143000Updated Jul 19, 2026Jul 19, 2026
    • Database Connectors common code
      C++
      MIT License
      3001Updated Jul 18, 2026Jul 18, 2026
    • Fast and exact implementation of the C++ from_chars functions for number types: 4x to 10x faster than strtod, part of GCC 12, Chromium, Redis and WebKit/Safari
      C++
      Apache License 2.0
      191000Updated Jul 15, 2026Jul 15, 2026
    • simdjson

      Public
      Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks
      C++
      Apache License 2.0
      1.3k000Updated Jul 15, 2026Jul 15, 2026
    • ⚡ Super fast clustering for high-dimensional vectors on CPUs (x86, ARM) and GPUs — for Python and C++. 100x faster clustering of vector embeddings than FAISS
      C++
      MIT License
      7000Updated Jul 14, 2026Jul 14, 2026
    • Sqllogictest (dialect with extensions) parser and runner in Rust.
      Rust
      Apache License 2.0
      63001Updated Jul 14, 2026Jul 14, 2026
    • TypeScript
      0000Updated Jul 9, 2026Jul 9, 2026
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