Sider.ai AlternativesAI Writing Tools and other similar apps like Sider.ai

Sider.ai is described as 'AI sidebar adds translation, grammar, summarization, prompt templates, code explanation, text-to-speech, and search tools to any webpage you visit' and is a AI Writing tool in the ai tools & services category. There are more than 50 alternatives to Sider.ai for a variety of platforms, including Web-based, Mac, Google Chrome, iPhone and iPad apps. The best Sider.ai alternative is ChatGPT, which is free. Other great apps like Sider.ai are Perplexity, Google Gemini, Secret Llama and Gemini Notebook.

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Alternatives
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Alternatives list

  1. ChatGPT icon
     627 likes

    AI language model perfect for generating interactive human-like text in various styles. Built on architecture allowing real-time natural language generation, ideal for applications demanding fluent, relevant output over diverse topics broadened by extensive training data.

    614 ChatGPT alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    • US flagUnited States
    ChatGPT screenshot 1
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  2. Perplexity icon
     177 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.

    148 Perplexity alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    • Google Chrome
    Good alternative?
     
  3. Google Gemini icon
     215 likes

    AI assistant offers writing, planning, learning support, generating images from text, and transforming text to speech. Utilizes large language models and syncs across devices without requiring coding skills. Supports dark mode and ad-free experience.

    431 Google Gemini alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Google Docs
    • Gmail
    • Windows
    • Mac
    • iPad
    • Android Tablet
    Good alternative?
     
  4. Secret Llama icon
     64 likes

    Runs fully private, offline chatbot entirely in browser, ensuring conversation data never leaves the device. No server, installation, external services, or account needed. Supports Llama 3, Mistral, and other open source models in a ChatGPT-like interface for privacy-focused users.

    Cost / License

    Application type

    Platforms

    • Online
    • Self-Hosted
    Good alternative?
     
  5. Gemini Notebook icon
     44 likes

    AI-first notebook by Google, available in the U.S., blends large language models and user-chosen data. Apply for access to explore intelligent insights and enhance your note-taking experience.

    52 Gemini Notebook alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Online
    • Android
    • iPhone
    • Android Tablet
    • iPad
    Good alternative?
     
  6. Goose OSS icon
     25 likes

    An open-source platform for seamless automation in engineering tasks, providing local execution and control. Customizable with any LLM for enhanced autonomy, enabling developers to efficiently handle debugging to deployment tasks while preserving privacy.

    144 Goose OSS alternatives

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    Good alternative?
     
  7. Open Notebook icon
     22 likes

    Privacy-focused, open source platform for multi-modal content organization, integrates 16+ AI model providers, enables full-text and vector search, advanced multi-speaker podcast generation, and context-driven AI conversations to manage diverse research needs.

    32 Open Notebook alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Self-Hosted
    • Docker
    Good alternative?
     
  8. Brave Leo icon
     26 likes

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

    194 Brave Leo alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Brave
    • Android
    • Android Tablet
    • iPhone
    • iPad
    Good alternative?
     
  9. ailight icon
     12 likes

    Highlight and transform anything on your screen — without breaking your flow or leaving your current app.

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Windows
    • Mac
    • GB flagUnited Kingdom
    ailight screenshot 1
    Good alternative?
     
  10. nanochat icon
     12 likes

    Complete LLM chatbot implementation, offering tokenization, pretraining, finetuning, evaluation, inference, and a simple web UI. Runs on a single 8xH100 node, features a hackable codebase, dependency-lite design, and automates the full workflow via scripts.

    Cost / License

    • Free
    • Open Source (MIT)

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Self-Hosted
    • Python
    Good alternative?
     
  11. Apollo AI icon
     11 likes

    Customizable interface for private, on-device AI model chatting, open source and closed source LLM connections, OpenRouter support, custom backend support, and unified access to language models without reliance on a single provider, ensuring privacy and flexibility.

    95 Apollo AI alternatives

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Mac
    • iPhone
    • iPad
    • Android
    Good alternative?
     
  12. ElevenReader icon
     13 likes

    Convert text, articles, PDFs, or ePubs to streaming audio in over 32 languages with ultra-realistic AI voices, voice customization, playback speed control, synced text highlights, and support for diverse content sources, designed for accessible, mobile listening.

    76 ElevenReader alternatives

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Android
    • iPhone
    • Android Tablet
    • iPad
    Good alternative?
     
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