Obsidian is a Markdown-based note-taking app for personal knowledge management, research, writing, and project notes, with local files, backlinks, graph view, offline use, and plugins.
20.0
byG-Hubs
Mermaid Live Editor
mermaid.live
Free online editor for creating and previewing Mermaid diagrams in real time from text, ideal for developers who need version-friendly flowcharts and sequence diagrams.
00.0
byG-Hubs
PlantUML
plantuml.com
Open-source text-to-diagram tool that turns plain-text descriptions into UML and other software diagrams, ideal for version-controlled docs and developer workflows.