Alternatives and similar repositories for icu

Users that are interested in icu are comparing it to the libraries listed below

• libarchive / libarchive
  Multi-format archive and compression library
  ☆3,266Updated last week
• libexpat / libexpat
  Fast streaming XML parser written in C99 with >90% test coverage; moved from SourceForge to GitHub
  ☆1,224Updated last month
• madler / zlib
  A massively spiffy yet delicately unobtrusive compression library.
  ☆6,303Updated 5 months ago
• nih-at / libzip
  A C library for reading, creating, and modifying zip archives.
  ☆937Updated 2 weeks ago
• PCRE2Project / pcre2
  PCRE2 development is based here.
  ☆1,093Updated this week
• pnggroup / libpng
  LIBPNG: Portable Network Graphics support, official libpng repository
  ☆1,457Updated 3 weeks ago
• zlib-ng / minizip-ng
  Fork of the popular zip manipulation library found in the zlib distribution.
  ☆1,370Updated 2 weeks ago
• GNOME / libxml2
  Read-only mirror of https://gitlab.gnome.org/GNOME/libxml2
  ☆661Updated last week
• nemtrif / utfcpp
  UTF-8 with C++ in a Portable Way
  ☆1,768Updated last month
• zlib-ng / zlib-ng
  zlib replacement with optimizations for "next generation" systems.
  ☆1,826Updated last week
• harfbuzz / harfbuzz
  HarfBuzz text shaping engine
  ☆4,853Updated this week
• unicode-org / cldr
  The home of the Unicode Common Locale Data Repository
  ☆1,011Updated this week
• skvadrik / re2c
  Lexer generator for C, C++, D, Go, Haskell, Java, JS, OCaml, Python, Rust, Swift, V and Zig.
  ☆1,196Updated last week
• c-ares / c-ares
  A C library for asynchronous DNS requests
  ☆1,985Updated 2 weeks ago
• ccache / ccache
  ccache – a fast compiler cache
  ☆2,570Updated last week
• love-as-a-service / app-love-as-a-service
  sample projects based on ca2 framework
  ☆11Updated 8 years ago
• google / double-conversion
  Efficient binary-decimal and decimal-binary conversion routines for IEEE doubles.
  ☆1,164Updated last month
• JuliaStrings / utf8proc
  a clean C library for processing UTF-8 Unicode data
  ☆1,149Updated last month
• ebiggers / libdeflate
  Heavily optimized library for DEFLATE/zlib/gzip compression and decompression
  ☆1,140Updated 3 weeks ago
• chromiumembedded / cef
  Chromium Embedded Framework (CEF). A simple framework for embedding Chromium-based browsers in other applications.
  ☆4,045Updated this week
• google / tcmalloc
  ☆4,867Updated last week
• libgd / libgd
  GD Graphics Library
  ☆941Updated 5 months ago
• libssh2 / libssh2
  the SSH library
  ☆1,440Updated last week
• miloyip / nativejson-benchmark
  C/C++ JSON parser/generator benchmark
  ☆2,030Updated 2 years ago
• ninja-build / ninja
  a small build system with a focus on speed
  ☆12,167Updated last week
• ibireme / yyjson
  The fastest JSON library in C
  ☆3,387Updated last week
• libffi / libffi
  A portable foreign-function interface library.
  ☆3,439Updated last week
• randombit / botan
  Cryptography Toolkit
  ☆2,998Updated last week
• aklomp / base64
  Fast Base64 stream encoder/decoder in C99, with SIMD acceleration
  ☆948Updated 3 months ago
• weidai11 / cryptopp
  free C++ class library of cryptographic schemes
  ☆5,271Updated last year