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Writer alternatives · AI Assistants

Open-source alternatives to Writer

Writer is not described as open source on its own site. 16 of the 87 other AI assistants in this directory are open source, according to their own sites.

Writer is a paid product with a free trial. All of them are free or have a free plan.

16 tools · Listings checked up to Nov 13, 2026 · Where the facts come from

The 12 closest to Writer

  1. DeepSeek

    Free AI chat assistant built on DeepSeek's openly released models

    • DeepSeek has a free plan. Writer does not, though it has a free trial.
    • Only DeepSeek lists iOS, Android, macOS and Windows apps.
    • DeepSeek is open source, according to its own site.
    • DeepSeek also covers AI search.
    DeepSeek pricing and details

  2. HuggingChat

    Hugging Face's open-source chat app for open AI models

    • HuggingChat has a free plan. Writer does not, though it has a free trial.
    • HuggingChat is open source and self-hostable, according to its own site.
    • HuggingChat also covers AI search.
    • Writer also covers workflow automation and long-form writing.
    HuggingChat pricing and details

  3. AnythingLLM

    Open-source AI app for documents, agents and local models

    • AnythingLLM has a free plan. Writer does not, though it has a free trial.
    • Only AnythingLLM lists macOS, Windows, Linux and Android apps.
    • AnythingLLM is open source and self-hostable, according to its own site.
    • AnythingLLM also covers meeting notes.
    AnythingLLM pricing and details

  4. LibreChat

    Open-source, self-hosted chat interface for many AI providers

    • LibreChat has a free plan. Writer does not, though it has a free trial.
    • LibreChat is open source and self-hostable, according to its own site.
    • LibreChat also covers AI search.
    • Writer also covers workflow automation and long-form writing.
    LibreChat pricing and details

  5. Cherry Studio

    Open-source desktop AI client for 50+ model providers

    • Cherry Studio has a free plan. Writer does not, though it has a free trial.
    • Only Cherry Studio lists macOS, Windows, Linux, iOS and Android apps.
    • Only Writer lists a web app.
    • Cherry Studio is open source, according to its own site.
    Cherry Studio pricing and details

  6. Chatbox

    AI chat client for your own API keys or a hosted model plan

    • Chatbox has a free plan. Writer does not, though it has a free trial.
    • Only Chatbox lists macOS, Windows, Linux, iOS and Android apps.
    • Chatbox is open source, according to its own site.
    • Chatbox also covers AI search.
    Chatbox pricing and details

  7. PyGPT

    Open-source desktop AI assistant with agents, RAG and local models

    • PyGPT has a free plan. Writer does not, though it has a free trial.
    • Only PyGPT lists Windows, Linux and macOS apps.
    • Only Writer lists a web app.
    • PyGPT is open source, according to its own site.
    PyGPT pricing and details

  8. LocalAI

    Open-source runtime for running AI models on your own hardware

    • LocalAI has a free plan. Writer does not, though it has a free trial.
    • Only LocalAI lists macOS and Linux apps.
    • LocalAI is open source and self-hostable, according to its own site.
    • LocalAI also covers text to speech.
    LocalAI pricing and details

  9. Lumo

    Proton's private AI assistant with zero-access encrypted chats

    • Lumo has a free plan. Writer does not, though it has a free trial.
    • Only Lumo lists iOS and Android apps.
    • Lumo is open source, according to its own site.
    • Lumo also covers AI search.
    Lumo pricing and details

  10. Jan

    Open-source desktop app for running local and cloud AI models

    • Jan has a free plan. Writer does not, though it has a free trial.
    • Only Jan lists macOS, Windows and Linux apps.
    • Only Writer lists a web app.
    • Jan is open source, according to its own site.
    Jan pricing and details

  11. Big-AGI

    Multi-model AI workspace that compares and merges answers

    • Big-AGI has a free plan. Writer does not, though it has a free trial.
    • Big-AGI is open source and self-hostable, according to its own site.
    • Writer also covers workflow automation, AI agents and long-form writing.
    Big-AGI pricing and details

  12. NextChat

    Lightweight open-source AI chat client you can self-deploy

    • NextChat has a free plan. Writer does not, though it has a free trial.
    • Only NextChat lists macOS, Windows, Linux and iOS apps.
    • NextChat is open source and self-hostable, according to its own site.
    • Writer also covers workflow automation, AI agents and long-form writing.
    NextChat pricing and details

4 more that are open source

All 16 in one table

Common questions

Is there an open-source alternative to Writer?

Yes. DeepSeek, HuggingChat, AnythingLLM, LibreChat, Cherry Studio, Chatbox, PyGPT, LocalAI and 8 more are open source, according to their own sites.

Is Writer open source?

Writer is not described as open source on its own site. The listing was checked on Nov 12, 2026 against the pages it cites.

When was this checked?

Each listing shows its own date. On this page they run from Oct 5, 2026 to Nov 13, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.

This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Writer: the alternatives its listing names first, then the tools that share the most features with it.