Tools
5 guides on tools.
The Best ChatPDF Alternatives
Looking for a ChatPDF alternative? Compare the best tools for chatting with PDFs on price, citations, accuracy, and where your documents actually live.
Read the guideThe Best AI Summariser Tools in 2026
An honest roundup of the best AI summary tool options in 2026 — from NotebookLM to ChatGPT — and which one cites the exact passage so you can verify it.
Read the guideThe Best Free Chat-With-PDF Tools (Honest Roundup)
An honest look at the best free chat-with-PDF tools — real free-tier limits, fair pros and cons, and which one to pick for cited, in-browser reading.
Read the guideThe Best AI Tools for Reading Documents in 2026
An honest roundup of the best AI tools for reading documents in 2026 — NotebookLM, ChatPDF, Humata, SciSpace, Sider, Elicit and Sidenote, fairly compared.
Read the guideThe Best AI Citation Apps & Tools
An honest roundup of the best AI citation app options — reference generators vs AI that cites its answers — with fair pros, cons and a comparison table.
Read the guideStop digging. Start asking.
Add Sidenote to Chrome, open any page in your wiki, and ask it the question you’ve been Slacking the team about.
7-day Pro trial · No card required · Free tier forever