Apps with 'WYSIWYG Support' feature Page 3 of 41

Open-source diagram editor with cross-platform support offering entity relationship, UML, flowchart, and network diagram creation with editable objects.

The first agentic IDE, and then some. The Windsurf Editor is where the work of developers and AI truly flow together, allowing for a coding experience that feels like literal magic.

NocoDB is a feature-rich, open source #NoCode platform that turns any database into a smart spreadsheet similar to Airtable.

ghostwriter is a feature-rich text editor using Markdown syntax which makes it suitable for note-taking, document redaction, simple HTML website creation and much more.

Create your own free website, and connect with others you by following their sites. You get 1 GB of space to make whatever you’d like with HTML, CSS, JS, image, text, and web font files.

Highly customizable, user-friendly tool for creating relational databases that you can edit like a spreadsheet. Organize anything, with grids, forms, views, filters and grouping, calendars, Kanban, templates, collaboration, and integrations.

MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia. It is now used by several other projects of the non-profit Wikimedia Foundation and by many other wikis.

BookStack is a free and open source knowledge management platform built on PHP. The system has been built around simplicity to ensure that adding information to it is not a chore. The content structure is built on the metaphors of Books, Chapters & Pages.

Joomla is an award-winning content management system (CMS), which enables you to build web sites and powerful online applications. Many aspects, including its ease-of-use and extensibility, have made Joomla the most popular web site software available.

PixiEditor is a free and open-source universal 2D editor. Create clean pixel-perfect sprites, paint with raster tools, or design crisp vector graphics — all on one canvas. Animate frame-by-frame or use the powerful Node Graph to build fully non-destructive visuals and custom...

Build a customizable link-in-bio page with grid layout, rich widgets, contact forms, service listings, SEO optimization, and custom domain options.

Baserow is the secure, open-source platform for building databases, applications, automations, and AI agents — all without code. Trusted by over 150,000 users, Baserow delivers enterprise-grade security with GDPR, HIPAA, and SOC 2 Type II compliance, plus cloud and self-hosted...

Sigil is a multi-platform ebook editor. It is designed to edit books in ePub format.

A note-taking tool that gives you memory superpowers. It automatically generates flashcards from your notes and figures out the optimal time to practice each flashcard.

Markdown editor for Mac, Windows, and Linux with real-time preview and distraction-free interface. Open source, free on GitHub, supports various Markdown specs.

Open source website builder that empowers creators to build highly maintainable and fast websites using modern web standards. Webstudio is an Open Source version of Webflow.

Medium is a new place on the Internet where people share ideas and stories that are longer than 140 characters and not just for friends. It’s designed for little stories that make your day better and manifestos that change the world.

AI-powered platform unifies tasks, notes, meeting transcription, and real-time collaboration in a single workspace, integrating with other tools for team efficiency.

DeepNotes is an open source, end-to-end encrypted visual note-taking app with deep page navigation and live collaboration. Create mind maps, diagrams, kanban boards, among others. Infinite nesting of infinite canvases.

Publii allows to you build, modify and manage an unlimited number of sites from the same app with instant switching; no databases or other credentials to remember.

Annotate your screenshots.

Capture and organize knowledge with a network-based note system, providing a novel approach to creating a distinct and personalized idea network.

Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.

Open source software offering project timelines, issue tracking, and document management with robust security and flexible management options.

Advanced desktop publishing software with real-time collaboration, high-performance architecture, seamless Affinity suite integration, and custom typography.