Show HN: Ledge.sh – Runnable Markdown Notes

Ledge.sh is a Markdown-based notebook application that allows developers and DevOps engineers to write and execute shell commands, code, SQL queries, and AI prompts directly within notes, with output streaming in real-time. The tool supports persistent shells, remote server execution via SSH, and is available across macOS, Windows, Linux, and mobile platforms as free and open-source software.