Alternatives and similar repositories for core

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

• Lewiscowles1986 / php-ulid
  Universally Unique Lexicographically Sortable Identifier ported to PHP
  ☆83Updated last year
• mnapoli / externals
  Opening PHP's #internals to the outside
  ☆238Updated 2 months ago
• joshdifabio / composed
  Easily parse your project's Composer configuration, and those of its dependencies, at runtime
  ☆52Updated 9 years ago
• krakjoe / cmark
  CommonMark for PHP
  ☆46Updated 2 years ago
• paragonie / certainty
  Automated cacert.pem management for PHP projects
  ☆263Updated 2 months ago
• php-decimal / php-decimal
  Correctly-rounded arbitrary precision decimal floating point for PHP
  ☆77Updated 7 years ago
• clue / reactphp-docker
  Async, event-driven access to the Docker Engine API, built on top of ReactPHP.
  ☆111Updated last year
• darsyn / ip
  Immutable value object for IPv4 and IPv6 addresses, including helper methods and Doctrine support.
  ☆260Updated 9 months ago
• 99designs / http-signatures-php
  Sign and verify PSR-7 HTTP messages in PHP.
  ☆45Updated last year
• preprocess / pre-short-closures
  ☆35Updated 5 years ago
• clue / reactphp-flux
  Flux, the lightweight stream processor to concurrently do many (but not too many) things at once, built on top of ReactPHP.
  ☆59Updated last year
• tuupola / ksuid
  K-Sortable Globally Unique IDs for PHP
  ☆107Updated 4 years ago
• phly / keep-a-changelog
  Tools for manipulating CHANGELOG.md files in Keep A Changelog format, including tagging and releasing.
  ☆182Updated last year
• krakjoe / autostrict
  Automatic strict types in PHP7
  ☆61Updated 9 years ago
• php-pm / php-pm-httpkernel
  HttpKernel adapter for use of Symfony and Laravel frameworks with PHP-PM
  ☆247Updated 2 years ago
• preprocess / pre-plugin
  ☆94Updated 2 years ago
• Crell / Tukio
  A complete and robust implementation of the PSR-14 EventDispatcher specification.
  ☆108Updated last month
• rszrama / negotiation-middleware
  Content negotiation middleware for PHP applications using a request, response, and next callable signature.
  ☆41Updated 9 years ago
• AndrewCarterUK / CryptoKey
  A tool for generating keys using a CSPRNG.
  ☆61Updated 8 years ago
• wikimedia / php-excimer
  Mirror from https://gerrit.wikimedia.org/g/mediawiki/php/excimer. See https://www.mediawiki.org/wiki/Developer_access for contributing.
  ☆136Updated 3 months ago
• kocsismate / php-di-container-benchmarks
  Benchmark for some popular PHP Dependency Injection Containers.
  ☆78Updated 2 years ago
• KnpLabs / packagist-api
  PHP API for Packagist
  ☆183Updated 6 months ago
• makasim / php-fpm-queue
  Use php-fpm as a simple built-in async queue
  ☆115Updated 4 years ago
• rtheunissen / guzzle-log-middleware
  Guzzle 6 middleware used to log requests and responses
  ☆81Updated 2 years ago
• rosstuck / sort
  Syntatic sugar for sorting in PHP
  ☆114Updated 2 years ago
• Brunty / cigar
  💨 Smoke testing tool written in PHP
  ☆164Updated 2 years ago
• sebastianbergmann / foal
  Tool to find lines eliminated by OpCache's bytecode optimizer
  ☆139Updated last year
• mnapoli / pretty
  ✨ CLI command with sane defaults to simplify CodeSniffer and PHP-CS-Fixer
  ☆108Updated 5 years ago
• veewee / composer-run-parallel
  Run composer tasks in parallel
  ☆91Updated 2 months ago
• ircmaxell / php-preprocessor
  A PreProcessing library for PHP
  ☆49Updated 6 years ago