Notion is an all-in-one workspace platform combining note-taking, databases, wikis, project management, and collaboration tools into a single unified interface. Founded in 2013 and launched publicly in 2016, Notion uses a block-based architecture where every piece of content—text, images, databases, embeds—exists as a draggable, nestable block that can be arranged, linked, and transformed on the fly. At its core, Notion revolutionizes information management by treating pages as databases and databases as collections of pages, creating a bidirectional knowledge graph where every item can contain infinite nested content while simultaneously serving as structured data. The key mental model: everything is a page, every page can be a database, and every database entry is itself a full page—enabling workflows that traditional tools can't match, from simple notes to complex relational project systems.

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