# RevOps Lab > Free, open library for B2B founders and revenue teams: buying signals (the moments a company is ready to buy), step-by-step growth playbooks, free tools, and AI agents for Claude that do research, meeting prep and follow-up with a person approving every action. Written by Aizaz Tanveer, GTM engineer, Ghent, Belgium. ## Main sections - [Home](https://revopslab.eu/): overview, growth engine check, FAQ - [Signals](https://revopslab.eu/signals/): 112 buying signals in four groups (act now, warming up, good fit, big-company moves) - [Playbooks](https://revopslab.eu/playbooks/): pick the right companies, reach out at the right time, win more conversations, know which channels drive revenue (channel attribution) - [Agents](https://revopslab.eu/agents/): open AI agents (Claude skills) for GTM work - [Tools](https://revopslab.eu/tools/): free checks and calculators, results shown without sign-up - [About](https://revopslab.eu/about/)