npm module: Fetch a url & scrape the metadata from its HTML with Node.js or the browser.

Learn Low Level Design (LLD) and prepare for interviews using free resources.

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

A collective list of free APIs