A collective list of free APIs

📚 Freely available programming books

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

Command-line program to download videos from YouTube.com and other video sites

Rich is a Python library for rich text and beautiful formatting in the terminal.

🎨 Diagram as Code for prototyping cloud system architectures

Machine Learning and Agentic AI Resources, Practice and Research

Signature recognition is a behavioural biometric. It can be operated in two different ways: Static: In this mode, users write their signature on paper, digitize it through an optical scanner or a c…