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

Real-ESRGAN aims at developing Practical Algorithms for General Image/Video Restoration.

A community-supported supercharged version of paperless: scan, index and archive all your physical documents

OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched

Automate the process of making money online.

Open source education / school management system