Best Pebble Alternatives & Competitors

AI sidebar and browser agent for reading, writing and research

All-in-one AI assistant across web, browser, desktop and mobile

One AI assistant that plugs ChatGPT, Claude and Gemini into every tab

A low-cost AI assistant that lives in your browser tab

Summarize, bookmark and write with AI right in your browser

Highlight the web, learn in public, and build your AI clone

Free / Open-sourceSummarize YouTube, Google, and any page with AI — free in your browser

Turn long articles, videos and PDFs into structured summaries you can actually search.

Reader mode, text-to-speech and AI summaries for any web page

Your GPT-powered sidekick for every page, PDF and video

Read with an AI mentor that highlights, explains and discusses your books

Bottom Line Up Front for every page, PDF and video you read