Open Source Web Design Software

KompoZer is a wysiwyg HTML editor using the Mozilla Composer codebase. As Nvu's development has been stopped in 2005, KompoZer fixes many bugs and adds a few useful features.

Boost event attendance with Add to Calendar Button, the ultimate open-source web component that lets users save events to their favorite calendars in one click! Designed to eliminate developer headaches, this fast, lightweight library supports all major platforms, including Google, Apple, Outlook, Microsoft 365, Teams, and Yahoo. With robust, built-in time zone and daylight-saving management, it handles complex scheduling flawlessly. It is fully responsive, supports over 20 languages (including RTL), and offers auto-generated Schema.org structured data for an SEO boost. It even bypasses tricky mobile in-app browser restrictions with smart user guidance workarounds. Easy to customize, secure by design, and 100% GDPR/CCPA compliant, it integrates into any stack - React, Vue, Angular, or WordPress - in under a minute. Give your users the perfect event-saving experience!

Magic Portfolio is a Next.js-based portfolio template built on the Once UI design system, designed to give developers and creatives a clean, timeless way to showcase their work. It provides a minimal, beginner-friendly setup that focuses on strong typography, responsive layouts, and restrained motion instead of heavy animations. Content is managed through a structured configuration and MDX-based content system, so you can define sections, projects, blog posts, gallery items, and about/CV information in code-backed content files. The template emphasizes SEO with auto-generated Open Graph/X images, schemas, and metadata derived from the content configuration, making it more discoverable out of the box. It offers flexible feature toggles to enable or disable sections such as blog, work, gallery, and about, as well as options for automatic social link generation and password-protected URLs.

OpenBEXI is a WYSIWYG HTML builder using the magic of HTML5 and CSS3 . By resizing, dragging and dropping various HTML widgets it is easy to build a web page. All texts using the DOJO editor, pictures, charts, chart-flows, Dygraphs, timelines, lists and DOJO widgets edited on your browser look like the HTML page you are going to publish to your web site. OpenBEXI provides a powerful CSS and JavaScript editor to change on the fly the presentation and the behavior of your web pages. Tools allow you to create, manage and publish web projects and HTML pages for Internet.