Compare tools
Side-by-side features, use cases and pricing — because the right pick depends on your job and budget, not just the ranking.
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Context Link
✓ verifiedFree trial
Connects your docs, inboxes and apps into one source-backed knowledge base that ChatGPT, Claude and agents can query.
19K visits/mo
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Raycast
✓ verifiedFreemium
A fast, keyboard-driven Mac/Windows launcher with an extension store and built-in AI commands for power users who live in shortcuts.
1.1M visits/mo3.4K saves
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Paperguide
✓ verifiedPaid
All-in-one research platform for reading, writing and managing papers; high traffic.
286K visits/mo4.1K saves
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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
Pricing
Context: $19/seat/mo (7-day trial)
Context + Lenses: $59/mo (then $19 per extra seat)
Free trial available
Pro (with AI): $8/month
Free trial available
Free: $0/month
Starter: $9/month
Advanced: $16/month
Basic: Free (up to 3 saved concept maps)
Professional: $7.99/mo (unlimited maps, multi-model AI, all features)
Core features
- ✦Unifies docs, websites, inboxes and files into one synced knowledge base
- ✦Works with ChatGPT, Claude, Copilot, Gemini and MCP-aware agents
- ✦Source-cited answers with reviewable past lookups
- ✦Save settled decisions as reusable Memories
- ✦Sources auto re-sync every 24 hours
- ✦Exclude anything you do not want indexed
- ✦Extendable command-bar launcher for macOS and beta Windows support
- ✦Thousands of third-party extensions from a public store
- ✦Built-in AI chat and custom AI command automation
- ✦Clipboard history, window management, and calculator utilities
- ✦Text snippets and quicklinks for repetitive actions
- ✦Hotkeys and aliases for common apps and commands
- ✦Team plan for sharing snippets, quicklinks, and extensions
- ✦AI Search
- ✦Literature Review
- ✦AI Writer
- ✦Reference Manager
- ✦Chat with PDF
- ✦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
Use cases
- →Let AI answer questions about your business from existing content
- →Give e-commerce or agency teams one place to query support, brand and catalog docs
- →Keep canonical decisions like pricing or ICP current across every AI tool
- →Launching apps and running quick commands without leaving the keyboard
- →Automating repetitive text and file tasks with snippets and quicklinks
- →Getting AI answers or writing help without switching apps
- →Sharing productivity tooling and extensions across a team
- →Finding relevant research papers and getting research-backed answers.
- →Analyzing papers faster with accurate data extraction.
- →Generating and polishing academic content using AI.
- →Streamlining citation and reference management.
- →Visualizing and studying complex topics
- →Turning research sources into study materials
- →Literature review and dissertation prep
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