The author of the article discusses the tech tools that he has tested.He has tested more than 300 different tools and selects the ones to try out based on their short descriptions.The right tools can truly amplify a business if you have a decent business model.He then shares a selection of his current tech stacks that he does not pay for.The list includes a browser with built-in ad-blockers, tools for taking screenshots, and creating stock responses.It also includes a free password manager, a free version of Calendly and conversation reminders.It has a chrome extension that gives you the analytics that LinkedIn natively does not.Other tools cited include a transcription tool and a tool that separates screen time for use.Other useful tools mentioned include ones that provide citations on statements, and a teleprompter tool.The author has omitted other well-known apps and tools and shares these lesser-known ones.