AFFiNE vs Tettra

AFFiNE is an open-source knowledge management application that combines documents, whiteboards, and databases in a unified workspace. It operates as a local-first application with optional cloud sync and end-to-end encryption. AFFiNE supports both block-based document editing and freeform canvas-style edgeless editing.

Tettra Internal knowledge base for teams that integrates with Slack for answering recurring questions.