Editor GitHub Repositories (2026) · Open Source Tools

The open-source CapCut alternative

📝A simple and elegant markdown editor, available for Linux, macOS and Windows.

The ultimate open-source Overleaf extension and alternative: a free, self-hosted, drop-in replacement for Overleaf Community Edition with nearly all Pro feature—SSO, AI Assistant, Git(Hub/Lab）/ Dropbox sync, track changes, sandboxed compilation, Zotero, Mendeley and more. Formerly @Ayaka-notes Overleaf Pro. Docs: https://ayakaleaf-pro.ayaka.space

Mitos is a fast and minimal modal text editor.

Open-source 3D architectural editor with a local CLI, MCP tools, and practical workflows for humans and AI agents.

NEO Emacs (WIP): GPU powered Emacs written in Rust with a modern display engine. Aiming for modern design & multi-threaded Elisp, 10x performance, zero-pause concurrent GC and 100% Emacs compatibility.

Modern offline LaTeX & Typst editor with visual and source editing.

The swiss army knife of lossless video/audio editing

A browser based code editor

Free, simple, and intuitive online database diagram editor and SQL generator.

TTT Editor (Terminal Text Tool): A real alternative to VS Code, Zed, and Sublime that runs in your terminal. A TUI that feels like GUI. Single binary, zero config.

Just like TextEdit on Mac but dedicated to Markdown.

Visual Studio Code

Hazel, a live functional programming environment with typed holes

A modern and intuitive terminal-based text editor

⛷ A light, native Markdown notebook for Mac, iPhone and iPad.

3D floor plan for Home Assistant: draw your home in the built-in editor (rooms, walls, doors, windows, furniture, roof) and see and control lights, covers, windows, climate, media, sensors and cameras live in a neon 3D view – as a sidebar panel and dashboard card.

Easy to use OpenStreetMap editor for Android and iOS

Open-source image editor focused on PSD compatibility and workflows familiar to Adobe Photoshop users.

WinMerge is an Open Source differencing and merging tool for Windows. WinMerge can compare both folders and files, presenting differences in a visual text format that is easy to understand and handle.