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Linda vs ARIA Protocol

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Linda compared with ARIA Protocol
DetailLinda logo LindaARIA Protocol logo ARIA Protocol
What it doesA private AI coworker for the Mac that runs local AI models and keeps all your data on your device. Open protocol for AI agent identity, DNS-anchored and post-quantum native, governed by a nonprofit
StageNot given Startup
FoundedNot given 2026
Based inNot given MX
Pricing modelFree Open source
PricingFree with local AI models on your Mac. Optional: pay only for what you use when adding your own API key from providers like OpenRouter, OpenAI, Anthropic, Google, Groq, Mistral, or DeepSeek. Free to use. L0 credentials issued today. L1 enabled in agent.bar demonstration. L2 and L3 specified but not yet issued.
Key features
  • Works in its own browser without accessing your personal browser or accounts
  • Voice input with on-device speech recognition
  • Projects to organize related tasks and share files between them
  • Specialists: pre-configured versions for specific types of work like research or bookkeeping
  • Routines that run automatically on a schedule (daily, weekly, or monthly)
  • Integrations with Outlook, Teams, Numbers, Pages, Notes, Calendar, Reminders, Notion, Todoist, Linear, GitHub, and Stripe
  • Local memory storage with Qdrant that is editable and visible
  • Choice of local AI models (Qwen, Granite, gpt-oss) or Ollama, LM Studio, or online providers with your API key
  • Chrome extension for optional access to your Chrome browser on approved sites
  • W3C Verifiable Credentials (AID format)
  • Four trust levels (L0-L3) with progressive verification
  • DNS anchoring starting at L1
  • ML-DSA-65 + Ed25519 composite signatures
  • ARIA AP for signed requests and receipts
  • Append-only Trust Ledger with credential lifecycle events
  • Revocation capability with signed status lists
  • Public REST API verification endpoint
  • TypeScript SDK for credential verification
What makes it different
  • Runs entirely locally on your Mac with no cloud storage or account required, keeping all data private by default
  • Costs significantly less than cloud alternatives at $120-$300 per month
  • Voice processing happens on device with audio never sent or stored
  • Fully customizable with specialists you create for your own workflows
  • Post-quantum native from launch, not a migration plan
  • Governed by nonprofit to prevent capture
  • Complements existing protocols without replacing them
  • L0 credentials issued and verifiable today
Community votes00
DR (Domain Rating by Ahrefs)4 no change since last check23 no change since last check
Trust Flow (Majestic)17
Citation Flow (Majestic)2420
Referring domains (Majestic)1310

5 details filled in for both companies.

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