Best Side Space Alternatives & Competitors

AI sidebar and browser agent for reading, writing and research

Your new tab becomes a keyboard-first workspace — tasks, tabs, focus, notes and an AI agent.

Organise and retrieve your browser tabs with AI

The agentic AI browser that reads your tabs, files, and screenshots as context

Summarize, bookmark and write with AI right in your browser

The AI browser that reads between your tabs

Free, on-device AI tab grouping for a calmer browser

AI-native browser that understands your context and runs agent tasks

One browser agent that combines every major AI model with web automation

ChatGPT in your browser sidebar, without switching tabs

A Mac browser built for focus, with an AI companion called Airis

Turn your existing browser into an agentic workspace