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Heuristica
✓ verifiedFreemium
An AI-powered learning platform that turns sources into concept maps, flashcards, quizzes and summaries with multi-model chat.
89K visits/mo12K saves
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YouMind
✓ verifiedFreemium
AI creation studio that gathers scattered notes and ideas, then helps shape them into articles, slides, videos, or webpages.
1.1M visits/mo
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OrganizeChatGPT
✓ verifiedFreemium
Chrome extension that sorts ChatGPT chats into color-coded, pinnable folders for easier reference.
2.2K visits/mo
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ChatPRD
✓ verifiedFreemium
AI copilot for product managers: turns ideas into PRDs and specs, gives CPO-style feedback, and integrates with PM tools.
164K visits/mo
Pricing
No public pricing
Basic: Free (up to 3 saved concept maps)
Professional: $7.99/mo (unlimited maps, multi-model AI, all features)
No public pricing
Free: $0 (single computer)
Lifetime cross-device sync: €29.95 one-time
Free: $0/mo (3 limited chats)
Pro: $15/mo (unlimited docs)
Teams: $29/mo per seat (collaboration)
Free trial available
Core features
- ✦Markdown to Notion publishing
- ✦Automatic subpage creation from directory structure
- ✦CLI flag support for title and emoji
- ✦Integration with Notion's AI, search, and formatting
- ✦Concept map builder
- ✦Flashcards with spaced repetition
- ✦AI quiz and summary generation
- ✦Import from PDFs, YouTube, websites, PubMed and arXiv
- ✦Multi-model AI chat (GPT, Claude, Gemini, Qwen)
- ✦Cross-format conversion and sharing
- ✦Central capture space for saved articles, videos, and notes
- ✦AI prompts that surface connections and gaps in collected ideas
- ✦Generates articles, slide decks, videos, and webpages from source material
- ✦Prebuilt style templates for slides and pages
- ✦Available as desktop app, browser extension, and mobile app
- ✦Skill and prompt library for specific creation tasks
- ✦Organize ChatGPT conversations into folders
- ✦Color-code folders for visibility
- ✦Pin important chats to the top
- ✦Add multiple chats to a folder at once
- ✦Optional cross-device folder sync
- ✦Generate PRDs, one-pagers and user stories from a prompt
- ✦CPO-level document coaching and gap analysis
- ✦Custom templates matched to team standards
- ✦Integrations: Linear, Notion, Slack, Confluence, GitHub
- ✦Shared team workspaces and personas
- ✦Export to Notion, Confluence, Google Docs
Use cases
- →Publishing documentation to a Notion workspace
- →Creating a public website from markdown documentation
- →Maintaining documentation alongside code in a repository
- →Visualizing and studying complex topics
- →Turning research sources into study materials
- →Literature review and dissertation prep
- →Creators consolidating research into finished blog posts or scripts
- →Professionals turning meeting notes into structured reports
- →Teachers converting lesson ideas into slides and video lessons
- →Product managers organizing scattered feedback into insights
- →Group ChatGPT chats by topic or project
- →Quickly find past conversations
- →Keep key chats pinned and visible
- →Access folders across multiple computers
- →Draft product requirement docs fast
- →Get expert feedback on specs
- →Standardize docs across a product team
- →Turn PRDs into tickets and prototypes
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