Kortex
AI writing and knowledge tool for creators that turns saved notes, highlights and research into finished articles, newsletters and posts.
Pros
- Extends NotebookLM with bulk source imports and podcast audio generation
- streamlines knowledge base management for researchers
Cons
- Narrow functionality focused on NotebookLM enhancement only
- limited to research and content workflows
- no independent product offering
Cost
Free plan at $0 for life; Kore $10 per seat per month billed annually or $14 per seat per month billed monthly; Premium $17.50 per seat per month billed annually or $21 per seat per month billed monthly; a Custom tier is quoted on request. All figures are in USD.
Verdict
Best for Google NotebookLM users who need advanced source management and want to scale their research workflows.
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