Top Alternatives to Drupal

WordPress is an open source content management solution based on PHP maintained by Automattic which is also being offered as hosted solution.

Joomla is a free and open-source content management system (CMS) for publishing web content.

ProcessWire is a free PHP open source CMS with a great API built to save you time and make development fun at any scale.

ImpressPages is an open-source PHP framework with built-in content editor.

concrete5 is an open-source content management system (CMS) for publishing content on the World Wide Web and intranets.

Tiki Wiki CMS Groupware or simply Tiki, originally known as TikiWiki, is a free and open source Wiki-based content management system and online office suite written primarily in PHP.

Plone is a free and open source content management system built on top of the Zope application server.

XWiki is a free wiki software platform written in Java with a design emphasis on extensibility.

django CMS is a free and open source content management system platform for publishing content.

SilverStripe is a free and open-source Content Management System (CMS) and framework for setting up and maintaining websites and web applications.

Textpattern is a free and open-source content management system (CMS) based on PHP and MySQL.

Jekyll takes your content, renders Markdown and Liquid templates, and spits out a complete, static website ready to be served by Apache, Nginx or another web server.

PrestaShop is a free, open source e-commerce solution.

Fork is an easy to use open source CMS using Symfony Components.

Grav is an easy to use, yet powerful, opensource CMS that requires no database.

Contao (TYPOlight) is a free content management system (CMS) for medium to large websites.

Web Start Today is a premium Do-It-Yourself (DIY) website builder.

CMS Made Simple (CMSMS) is a free, open source (GPL) content management system (CMS) to provide developers, programmers and site owners a web-based development and administration area.

TYPO3 is a free and open source web content management system written in PHP.

ExpressionEngine is a flexible, feature-rich content management platform.

HubSpot is a developer and marketer of software products for inbound marketing and sales.

Novius OS is a content management system (CMS) open source.

Sitefinity is a modern ASP.NET Web CMS, delivering intuitive web content management for business professionals, robust CMS development environment.

GetSimple CMS is a free web Content Management System with the primary goal to be simple and easy to use.

Chyrp is a ultra-lightweight ultra-flexible blogging engine with a fetish for birds and misspellings.

Symphony CMS is a XSLT-powered open source content management system.

Habari is a free and open source blog engine written in PHP and currently supports MySQL, SQLite and PostgreSQL for the database backend.

Anchor CMS is a lightweight blogging platform with a focus on simplicity and elegance.

Craft CMS is a content management system for developers, designers, and web professionals that blends flexibility, power, and ease of use for clients.

Kentico CMS is a web content management system (WCMS) for building websites, online stores, intranets, and Web 2.0 community sites.

Pimcore provides free and open-source customer experience management, digital asset management, product information management, multi-channel publishing and e-commerce software.

blogstrap.py is a simple Blog using web.py and bootstrap3.

Umbraco is an open source content management system (CMS) platform.

dotCMS is an open source content management system (CMS) written in Java for managing content and content driven sites and applications.