A.I. Gigapixel - AI based image resizer
Real-ESRGAN - Real-ESRGAN aims at developing Practical Algorithms for General Image/Video Restoration.
waifu2x - Online/Offline tool to upscale images
AI PNG Enlarger - Enlarge PNGs and Preserves Transparency without losing quality by AI
AI Img Enlarger - Enlarge Images Without Losing Quality Online
Waifu2x Caffe - Waifu2x Caffe improves resolution of video and images using Deep Convolutional Neural Networks