The industry-standard PDF solution for editing, signing, and converting documents. Known for its powerful OCR and enterprise-grade security, but increasingly criticized for its expensive recurring cost and heavy system footprint.

The pioneer of the block-based workspace. Notion combines notes, databases, and project management into a single highly customizable canvas. However, its 'always-online' requirement and recent performance issues with large databases have pushed power users toward local-first and open-source alternatives.