What are the best Image processing projects according to HackerNews?

sharp
10 comments
scantailor-advanced
7 comments
OCRmyPDF
7 comments
fpng
6 comments
nude.js
5 comments
libvips
4 comments
U-2-Net
3 comments
Pillow
3 comments
LaTeX-OCR
3 comments
imgproxy
3 comments