Bludit is a simple web application to make your own blog in seconds, it's completly free and open source. Bludit uses flat-files (text files in JSON format) to store the posts and pages, you don't need to install or configure a database.

Pixie is a free, open source web application that will help quickly create your own website.

Open Real Estate is a free software for building websites of real estate agencies and realtors. It is based on Yii CMF - one of the fast working modern frameworks.

Symfony is a PHP web application framework and a set of reusable PHP components/libraries.

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PDF.js or pdf.js is a JavaScript library intended to render PDF files using the HTML5 Canvas for a safer and web standards compliant web browser rendering of PDF files.

Vue.js is an open-source progressive JavaScript framework for building user interfaces.

Kirby is a file-based CMS with a beautiful web interface and thousands of customers world-wide.

Ametys is a free and open source content management system (CMS) written in Java.

Apache Roller is a Java-based Open Source "full-featured, Multi-blog, Multi-user, and group-blog server suitable for blog sites large and small".

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Google Web Toolkit, or GWT Web Toolkit, is an open source set of tools that allows web developers to create and maintain complex JavaScript front-end applications in Java.

LogicalDOC is a free document management system that is designed to handle and share documents within an organization.

OpenKM is a Free/Libre document management system that provides a web interface for managing arbitrary files.

JSP Hosting on Linux Servers.

OpenCms is an open source content management system written in Java.

Hippo CMS is an open-source, dual licensed, Content Management System.