Ganttdown
Turn Markdown task lists into Gantt charts instantly
What it does
Ganttdown turns GitHub-Flavored Markdown task lists into beautiful Gantt chart SVGs. No SaaS logins, no drag-and-drop, just write tasks in Markdown you already know, run one command, and get a presentation-ready chart. Single binary, zero dependencies, sub-second execution. Flexible parsing for dates, assignees, and dependencies. Color-coded task status. Dependency validation and arrows. Fully scriptable: pipes, redirects, and CI/CD ready. Built for developers who plan in code.
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- UPUltra-portable Gantt chart tool for very regulated environments2025 · github.com · ▲115
I work for government agency with a lot of security considerations. We can't install anything and using public webapps is out of the question. Going through clearance or procurement to buy or install something is a pain. I needed a project management tool, and what we had on offer was too clunky and old. I built SimpleGantt to be ultra lightweight and portable. It's one HTML, one Javascript and one CSS file. Each project is saved into a single .yaml file. If you have a SharePoint environment you can "host" it by uploading the repo to SharePoint after renaming simplegantt.html to…
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