Alternatives and similar repositories for Captcha

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

• khanamiryan / php-qrcode-detector-decoder
  This is a PHP library to detect and decode QR-codes. This is first and only QR code reader that works without extensions.
  ☆1,397Updated 2 weeks ago
• phpseclib / phpseclib
  PHP Secure Communications Library
  ☆5,486Updated this week
• bshaffer / oauth2-server-php
  A library for implementing an OAuth2 Server in php
  ☆3,272Updated 3 months ago
• endroid / qr-code
  QR Code Generator
  ☆4,630Updated last month
• php-curl-class / php-curl-class
  PHP Curl Class makes it easy to send HTTP requests and integrate with web APIs
  ☆3,289Updated this week
• vinkla / hashids
  A small PHP library to generate YouTube-like ids from numbers. Use it when you don't want to expose your database ids to the user.
  ☆5,367Updated 4 months ago
• maxmind / GeoIP2-php
  PHP API for GeoIP2 webservice client and database reader
  ☆2,419Updated last week
• Bacon / BaconQrCode
  QR Code Generator for PHP
  ☆1,969Updated 4 months ago
• PHP-FFMpeg / PHP-FFMpeg
  An object oriented PHP driver for FFMpeg binary
  ☆4,949Updated 2 months ago
• mongodb / mongo-php-library
  The Official MongoDB PHP library
  ☆1,605Updated this week
• thephpleague / oauth2-client
  Easy integration with OAuth 2.0 service providers.
  ☆3,737Updated 2 months ago
• KnpLabs / snappy
  PHP library allowing thumbnail, snapshot or PDF generation from a url or a html page. Wrapper for wkhtmltopdf/wkhtmltoimage
  ☆4,447Updated 3 weeks ago
• elastic / elasticsearch-php
  Official PHP client for Elasticsearch.
  ☆5,341Updated this week
• overtrue / socialite
  Socialite is an OAuth2 Authentication tool. It is inspired by laravel/socialite, you can easily use it without Laravel.
  ☆1,334Updated 6 months ago
• php-casbin / php-casbin
  An authorization library that supports access control models like ACL, RBAC, ABAC in PHP .
  ☆1,272Updated 3 weeks ago
• illuminate / database
  [READ ONLY] Subtree split of the Illuminate Database component (see laravel/framework)
  ☆2,730Updated this week
• PHPSocialNetwork / phpfastcache
  A high-performance backend cache system. It is intended for use in speeding up dynamic web applications by alleviating database load. W…
  ☆2,388Updated 2 months ago
• walkor / phpsocket.io
  A server side alternative implementation of socket.io in PHP based on workerman.
  ☆2,319Updated 2 months ago
• symfony / dom-crawler
  Eases DOM navigation for HTML and XML documents
  ☆4,012Updated 2 weeks ago
• nikic / FastRoute
  Fast request router for PHP
  ☆5,202Updated last week
• thephpleague / oauth2-server
  A spec compliant, secure by default PHP OAuth 2.0 Server
  ☆6,603Updated 2 months ago
• php-amqplib / php-amqplib
  The most widely used PHP client for RabbitMQ
  ☆4,548Updated 3 months ago
• sunra / php-simple-html-dom-parser
  PHP Simple HTML DOM Parser adaptation for Composer and PSR-0
  ☆1,295Updated last year
• brandonsavage / Upload
  File uploads with validation and storage strategies
  ☆1,662Updated last year
• silexphp / Pimple
  A small PHP dependency injection container
  ☆2,654Updated last year
• Imangazaliev / DiDOM
  Simple and fast HTML and XML parser
  ☆2,210Updated last year
• thephpleague / csv
  CSV data manipulation made easy in PHP
  ☆3,424Updated this week
• php-webdriver / php-webdriver
  PHP client for Selenium/WebDriver protocol. Previously facebook/php-webdriver
  ☆5,195Updated 2 weeks ago
• FriendsOfPHP / Goutte
  Goutte, a simple PHP Web Scraper
  ☆9,245Updated 2 years ago
• php-debugbar / php-debugbar
  Debug bar for PHP
  ☆4,261Updated this week