Anthropic's AI assistant known for thoughtful long-form writing, coding, and analysis of large documents. Free tier available; paid plans unlock higher limits and the most capable models.
FreemiumFree planAPIGeneral-purpose
Obsidian AI
Local knowledge base with community AI plugins; core app is free for personal use.
Tags
- knowledge-base
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Microsoft's AI assistant across Windows, Edge, and Microsoft 365 for writing, summarizing, and image creation. Free to use with a Microsoft account; Pro adds Office integration.
FreemiumFree planGeneral-purposeFree AI no-code platform for mobile apps. Native iOS and Android export.
Free
