chatGPTBox and firefox-chatgpt-in-sidebar
These are competitors offering alternative browser integration approaches for ChatGPT—one provides deep cross-browser integration with multiple features, while the other is a Firefox-specific sidebar implementation—so users would typically choose based on their browser preference and desired level of ChatGPT accessibility.
About chatGPTBox
ChatGPTBox-dev/chatGPTBox
Integrating ChatGPT into your browser deeply, everything you need is here
Provides context-aware ChatGPT integration across search engines, documentation sites (GitHub, Stack Overflow, Reddit), and video platforms through site-specific adapters, while supporting multiple LLM backends (GPT-3.5/4, Claude, Ollama, self-hosted via custom API endpoints). Features floating chat windows with multi-branch conversations, selection-based tools for translation/summarization/code analysis, and page summarization—all as a cross-browser extension (Chrome, Firefox, Edge, Safari) with zero data collection by design.
About firefox-chatgpt-in-sidebar
semanticdata/firefox-chatgpt-in-sidebar
Firefox extension to open ChatGPT within the Firefox sidebar. This extension adds a new section to the sidebar which contains the ChatGPT web app. It also adds a shortcut, and a button toggle within the toolbar.
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