HackMD | 1,834 followers on LinkedIn. Connected Documentation for Agile Teams. 📄 Write, share, and collaborate in real-time using markdown! | HackMD is where you collaborate with your team and communicate with your community in Markdown notes. You write in Markdown, and HackMD presents your source code, slides, charts, and math expressions. You control who can view/edit your notes and share them with flexible permissions.