Lumo by Proton Alternatives

Apps similar to Lumo by Proton include ChatGPT, which has a free version. Other options are DeepSeek, Mistral Vibe, Claude and Perplexity. There's no shortage of AI Chatbots like Lumo by Proton, with more than 100 alternatives for the web, Android, Mac, Windows and iPhone.

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Most Lumo by Proton alternatives are AI Chatbots, but you can also narrow the list to Large Language Model (LLM) Tools or AI Writing Tools. Another popular filter is Open Source.
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Alternatives
Lumo by Proton alternatives page was last updated

Alternatives list

  1. SafeDraft AI icon
     1 like

    Professional-grade PII Redaction & Privacy Firewall for ChatGPT. Built by CISSP experts to keep sensitive client data local.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  2. Runs chat, image generation, speech synthesis and voice cloning locally on Windows, macOS and Linux. Its bundled inference stack works offline by default, without an account, cloud connection, subscription or external API. USB mode runs without writing to its host.

    66 Pocket Core AI alternatives

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  3. Pao AI icon
     1 like

    Pao AI (刨文助手) is an AI-powered productivity suite for professionals. It bundles 22 scenario-based tools — business writing, contract review, resume optimization, meeting minutes, translation, proofreading, document formatting, PPT generation, invoice OCR, Excel formula...

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
  4. Welcome to Vanish Private AI Chat by Startpage, your mystical AI chat companion available today on iOS. Vanish Private AI ensures your privacy & security by never logging your IP address or chat queries, saving conversations only locally on your device (never on our...

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Android
    • iPhone
    • iPad
    Good alternative?
     
  5. nokeep icon
     Like

    nokeep is a private, uncensored AI app for chat, images and video. There is no account at all: no sign-up, no email, you open it and start instantly. Your chat history is kept in your browser on your device, not on our servers, and you can export or clear it at any time.

    13 nokeep alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • US flagUnited States
    nokeep homepage: private AI chat, images and video, free every day with no account.
    Good alternative?
     
  6. Animica icon
     Like

    Animica.dev is the developer, AI, and compute platform of the Animica ecosystem—a place to use decentralized AI, build applications, deploy Python code, run autonomous agents, generate media, and earn ANM for contributing useful compute.

    Cost / License

    Platforms

    • Online
    Good alternative?
     
  7. Anahata ASI Desktop is the world’s first stateful, air-gapped Java ASI (Artificial Super Intelligence) Container designed to run entirely on your local workstation or private corporate network.

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Apache NetBeans
    Good alternative?
     
  8. SOWA Privacy is a free, open-source Chrome Extension that anonymizes your personal data in real time — before it reaches any AI platform. 100% on-premise. Zero cloud.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Google Chrome
    • Software as a Service (SaaS)
    Good alternative?
     
  9. nullsink icon
     Like

    Privacy-first, account-less metered proxy for frontier models. No account, no IP, no request logs.

    Cost / License

    Platforms

    • Online
    Good alternative?
     
  10. Local RAG for your own documents — 100% offline Windows app. Hybrid search + reranker + local LLM with source citations. Free for individuals & small businesses. DE/EN.

    Cost / License

    • Free Personal
    • Source Available

    Platforms

    • Windows
    Good alternative?
     
  11. M1K3 icon
     Like

    M1K3 is a local AI agent for Apple-Silicon Macs. It runs language models on-device, with three brain tiers to suit your Mac: Mini on Apple Intelligence, Lil (Qwen3 4B) and Big (Gemma 4 12B).

    Cost / License

    • Free
    • Source Available

    Application type

    Platforms

    • Mac
    Good alternative?
     
  12. Give your AI a soul

    Alma is a persistent memory layer for AI. Your conversations build knowledge over time — preferences, facts, decisions, patterns. Every interaction makes your AI smarter, more personal, more yours.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Online
    • Software as a Service (SaaS)
    Good alternative?
     
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