ExpressAI AlternativesOnly apps categorised as AI Writing Tools

The best AI Writing alternative to ExpressAI is Lumo by Proton, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to ExpressAI and many of them are AI Writing Tools so hopefully you can find a suitable replacement. Other interesting AI Writing Tool alternatives to ExpressAI are Perplexity, AnythingLLM, Alpaca - Ollama Client and Poe.

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ExpressAI alternatives are mainly AI Writing Tools, but if you're looking for AI Chatbots or Large Language Model (LLM) Tools you can filter on that. These are just examples - use the filter bar below to find more specific alternatives to ExpressAI.
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Alternatives list

  1. Lumo by Proton icon
     105 likes

    Privacy-first AI assistant utilizing zero-access encryption and open-source code, ensuring no data logging, profiling, or training on chats, providing user-controlled, encrypted conversations, with compliance under GDPR and no sharing with third parties.

    125 Lumo by Proton alternatives

    Cost / License

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • F-Droid
     
  2. Perplexity icon
     150 likes

    AI-powered engine offers precise answers through a conversational interface utilizing large language models. Features include predictive text, personalized profiles, and Pro Search for advanced AI capabilities. Ideal for summarizing content, exploring topics, and enhancing productivity.

    96 Perplexity alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application types

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
     
  3. AnythingLLM icon
     50 likes

    Open-source privacy-focused chatbot platform allowing unlimited document uploads, multi-user and single-user modes, AI-powered chat with documents, vector database and LLM compatibility, customizable interface, message history, secure desktop deployment, and full user controls.

    215 AnythingLLM alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Docker
     
  4. Poe icon
     71 likes

    Poe is a web-based AI platform that hosts multiple assistant bots—including Claude and various GPT and image/audio models—to provide conversational Q&A, image and audio generation, and automated AI workflows.

    369 Poe alternatives

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
     
  5. Apertus icon
     26 likes

    As a fully open language model, Apertus allows researchers, professionals and enthusiasts to build upon the model and adapt it to their specific needs, as well as to inspect any part of the training process.

    Cost / License

    Platforms

    • Online
    • Self-Hosted
     
  6. Euria icon
     17 likes

    Confidential AI chat assistant delivering writing, summarization, voice transcription, email handling, and document search tools, all hosted exclusively in Switzerland with open source models, data sovereignty, and compliance with GDPR and FADP standards.

    80 Euria alternatives

    Cost / License

    Application types

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Software as a Service (SaaS)
     
  7. Together Chat icon
     15 likes

    Together Chat is a next-generation consumer app designed to let you interact seamlessly with today's most popular open-source models, including free access to DeepSeek R1, securely hosted in the North America.

    152 Together Chat alternatives

    Cost / License

    • Free
    • Proprietary

    Application types

    Platforms

    • Online
    • Software as a Service (SaaS)
     
  8. Khoj icon
     40 likes

    Khoj is an open-source AI second brain that learns from your notes (Obsidian, EMACS), documents, and has access to the internet. It can replace your search engine, help you with reading papers, and get you transparent, fast answers.

    196 Khoj alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • Docker
    • Self-Hosted
    • Python
     
  9. Brave Leo icon
     25 likes

    Leo is an AI-powered intelligent assistant, built right into the browser. Leo can answer questions, help accomplish tasks, and more.

    Cost / License

    • Freemium
    • Proprietary

    Platforms

    • Brave
    • Android
    • Android Tablet
    • iPhone
    • iPad
     
12 of 24 ExpressAI alternatives