Open-Source Markdown Editor with Local and API AI Editing

Melvin Vivas · X post · 2026-06-23 · Open on X

Topics: AI Dev Tools & Productivity, Portfolio Projects · Level: intermediate

Summary

Melvin Vivas shares his open-source markdown editor with built-in AI editing. It works with local models through Ollama and LM Studio, and with API models. He calls it a 'Cursor for markdown editing' and is looking for angel investors.

Key points

• donvito/markdown-editor is a lightweight markdown editor with AI editing.
• It supports local models (Ollama, LM Studio) and API-based models.
• The idea is to bring a Cursor-style AI editing experience to markdown documents.
• The repo is a good example of adding a local LLM to a desktop or web editor.

Resources mentioned

• donvito/markdown-editor · repo · github.com · free
  A lightweight markdown editor with AI editing that works with Ollama and LM Studio.
  Also in: Melvin Vivas's open-source AI tools, built with Codex (Melvin Vivas on X · notes), Markdown Editor v1.4.2: Local AI Editing with Ollama/LM Studio (Melvin Vivas on X · notes), Open-source AI Markdown Editor v1.4.1 for local LLMs (Melvin Vivas on X · notes)
• Ollama · tool · x.com · free · recommended by both Bashiri Smith & Melvin Vivas
  Open-source tool for downloading and running LLMs on your own machine with minimal setup.
  Also in: Running LLMs Locally Without an Expensive Rig (Melvin Vivas on X · notes), Adding Vercel AI Gateway as a provider in AIBackends with Devin (Melvin Vivas on X · notes), Running Qwen3.8-27B Locally on an M5 Max MacBook with Inco Splash (Melvin Vivas on X · notes), AIBackends: An API Layer Between Your App and AI Models (Now with Jev) (Melvin Vivas on X · notes) and 12 more
• LM Studio · tool · x.com · free
  Desktop app for downloading and running LLMs locally, with a developer mode that serves models through an API.
  Also in: Running LLMs Locally Without an Expensive Rig (Melvin Vivas on X · notes), Adding Vercel AI Gateway as a provider in AIBackends with Devin (Melvin Vivas on X · notes), LoRA Fine-Tune Qwen3.5-2B on Your Tweets with Unsloth Studio (Melvin Vivas on X · notes), AIBackends: An API Layer Between Your App and AI Models (Now with Jev) (Melvin Vivas on X · notes) and 31 more

Try this

• Build a markdown editor with AI editing that supports both local models (Ollama/LM Studio) and API models