🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context enginee

A GUI client for Windows, Linux and macOS, support Xray and sing-box and others

Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowled

A feature-rich command-line audio/video downloader

Master programming by recreating your favorite technologies from scratch.

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