DataPen.io

A minimalist, lightweight, and powerful data visualization editor

SiteData is a free, privacy-focused browser extension that lets you quickly check any site's traffic trends, keyword distribution, traffic sources, and find associated sites via Google AdSense Publisher ID reverse lookup. No login required, all data

A family learning companion that turns daily effort into growth

A digital Buddhist canon that starts from the scriptures to understand the Dharma — nearly 20,000 volumes of sutras with plain-language explanations and keyword hints, without altering the original text.

The free unlimited rare-answer diving game — rarer answers sink deeper

NuromBoard is an AI-powered visual thinking workbench built for learning, exam prep, and academic paper reading, connecting PDF annotation, whiteboard organization, and mind map building into a seamless knowledge workflow.