Free open source alternative app list of Notion AI :

Khoj

Key features Search across personal notes, documents, and the web from a single chat interface Automates tasks and acts as a personal research assistant Self-hosted design that keeps your data on your own infrastructure Functions as an AI "second brain" for organizing and retrieving knowledge Open-source codebase licensed under AGPL-3.0 Platforms: Windows, macOS, Linux Links Official website Source code Pricing: Freemium. A free, self-hostable open-source release under AGPL-3.0 is available, and a hosted cloud version with usage limits is also offered.

FreemiumWindowsmacOSLinux

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