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15Minutes logo
15Minutes
✓ verifiedPaid

Library of short book summaries, analyses, and audiobooks spanning thousands of nonfiction and fiction titles.

8.8K visits/mo533 saves
TLDL logo
TLDL
✓ verifiedFree

Free daily AI-generated digests that turn tech/VC podcast episodes into concise summaries, quotes, and takeaways for busy professionals.

52K visits/mo
Briefy logo
Briefy
✓ verifiedFreemium

Browser and mobile AI summarizer that turns articles, videos and PDFs into structured notes saved to a knowledge base.

26K visits/mo
ChatDOC logo
ChatDOC
✓ verifiedFree

AI assistant extracting and summarizing document info; real adoption.

90K visits/mo15K saves
Mapify logo
Mapify
✓ verifiedFreemium

AI tool that summarizes PDFs, videos, webpages and audio into editable mind maps and lets you chat with the source content.

812K visits/mo9.0K saves
Pricing

No public pricing

No public pricing

No public pricing

No public pricing

Free: $0 (30 one-time AI credits)
Basic: $5.99/mo billed yearly (1,000 credits/month)
Core features
  • Short book summaries and analysis
  • Summary PDFs and audiobooks
  • Personal library to save titles
  • Extensive category browsing
  • Coverage of thousands of books
  • AI-generated podcast episode summaries
  • Actionable takeaway lists per episode
  • Notable-quote extraction with context
  • Structured Q&A breakdowns of discussions
  • Curated directory of AI companies, tools, and resources
  • LLM API pricing comparison tool
  • RSS feed for new issues
  • One-click AI summaries of varied content
  • Multiple views: overview, table, mind map, timeline
  • Knowledge base to save and search briefs
  • Ask questions about saved content
  • Multilingual summaries and translation
  • Chrome and Safari/iOS extensions
  • Chat with documents
  • Instant answers with cited sources
  • AI analysis of selected texts/tables
  • Query across multiple documents
  • Supports various file formats
  • Summarize PDFs, videos, URLs and audio into mind maps
  • Chat with your documents
  • Translation and summarization in 30+ languages
  • YouTube timestamps and transcription
  • One-click branch expansion
  • Export to image, PDF, Markdown or slides
Use cases
  • Learning a book's key ideas in minutes
  • Listening to book summaries on the go
  • Deciding which full books to read
  • Studying nonfiction concepts efficiently
  • Engineers and founders catching up on AI podcasts quickly
  • Investors tracking startup and VC discussions
  • Readers comparing LLM API pricing across providers
  • Professionals following AI industry news without listening to full episodes
  • Summarizing articles and research papers
  • Digesting long videos and podcasts
  • Building a personal knowledge base
  • Skimming and replying to email threads
  • Summarizing long documents
  • Explaining complex concepts
  • Finding key information in seconds
  • Turbocharging research
  • Summarize long content for study or work
  • Turn videos into structured notes
  • Brainstorm and organize ideas visually
  • Digest research and documents faster
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