ITG NowOther AI tools for research
Each one opens its own page with the price and a link.
Perplexity
Ask a question and get an answer with links to its sources
Free plan + paid from $17/month, billed yearly
Manus
Manus AI
AI helper that does multi-step jobs for you, like research and websites
Free plan + paid from $20/month
Free GitHub alternatives
Free, open-source tools from GitHub in the same area, each with a plain-English guide.
Headroom: Reduce AI Token Costs for Free
It shrinks logs, files and data on your computer before your AI reads them, so answers stay the same.
REA: Reverse Engineer Anything With Your AI Agent
REA (Reverse Engineer Anything) lets an AI agent look inside an app and explain how a feature works, with proof.
DBX: Free Database Client for 100+ Databases, With AI
Its AI helper turns plain English into database queries for you.
Moli: A Free, Light Headless Browser for AI Agents
It lets AI helpers read, search and use websites fast, while using far less memory than Chrome.
FAQ
Is NotebookLM free?
NotebookLM has a free plan. Paid plans start at $4.99/month, as listed on its pricing page (checked 19 Oct 2026). Prices can change, so check before you pay.
What is NotebookLM for?
Upload your notes and files, then ask questions or get a podcast summary. We list it under Research. Good for students and everyone.
Who makes NotebookLM?
NotebookLM is made by Google.