Open Source #editor Projects

A fast, privacy-first local markdown note-taking app built with Tauri and SvelteKit. Your notes stay as plain .md files on your device.

Open-source browser design editor for posters, social posts and slides, with templates, real-time co-editing and PNG, SVG, PDF and video exports.

Online image editor with layers, filters, and effects that runs entirely in the browser. An open source Photoshop alternative with no ads or account required.

React framework for building extensible drag-and-drop page editors. Headless, framework-based approach with full plugin support.

Open-source drag-and-drop email editor with JSON templates, MJML rendering, and framework-agnostic embedding.

KillerPDF is a lightweight, fully portable PDF editor for Windows. Edit, merge, annotate, and sign PDFs locally with no subscription, accounts, or hidden telemetry anywhere on your computer.

Free and open source multi-track video editor built on MLT Framework and KDE technologies.

Offline-first, self-hostable note-taking app with rich text, tags, attachments, and cross-device sync via Docker.

Free open-source non-linear video editor with hardware-accelerated compositing and cross-platform support.

Open-source CapCut alternative: a privacy-first browser video editor with a timeline, effects, and local editing.

A free, open-source PDF editor for Linux that lets you edit text, images and objects, merge documents, and export to DOCX, PPTX and more.

Open-source visual website builder with a Figma-like canvas, built-in Frappe CMS, one-click publishing and an AI page agent.

Open-source visual editor for React. Drag-and-drop page builder with a component-based architecture and MIT license.

A free, open-source desktop image editor that replicates the Photoshop interface with 1:1 native PSD/PSB file compatibility.

Open-source AI-native design platform for social graphics, presentations, video, and whiteboards. Self-hosted, with no paywalls or watermarks.

AI-native design editor with real-time collaboration, component system, and Figma-compatible file format.

A fast, keyboard-driven, GPU-rendered IDE for macOS and Linux with terminals, LSP intelligence, debugging, and a built-in AI coding agent.