Zettelkasten Obsidian | Typora | Zettlr | Notion
Sticky Notes Sticky Notes | Zoho Notebooks | Samsung Notes | Mi Notes | Google Keep
Sketchnotes Excalidraw (JSON format) | OneNote
Diagrams Diagrams.net (formerly Draw.io; SVG export)
Mind-maps Whimsical
Dashboards Notion | HTML/JS | TiddlyWiki