OSS Index is a free catalogue of open source components and scanning tools to help developers identify vulnerabilities, understand risk, and keep their software safe.

They have a public REST API (https://ossindex.sonatype.org/doc/rest) that scanning tools can patch into.

This site is dedicated to cataloging and sharing information on repairing devices. It's named "Caps" wiki because in older electronics capacitors are one of the more common causes of problems. But any repair information such as ICs, batteries, belts, 3D printer models, or more for devices of any age is welcome here!

A dealer in Pennsylvania that specializes in components for classic and retro electronics, from computers to televisions. They have an old-school website, which befits their wares, so if there's something rare and esoteric you need, start looking here first.