Following Google Image Search suggestions.... and blogging it.
A responsive lossless image format. Also supports animations
XnViewMP is the enhanced version to XnView. It is a powerful cross-platform media browser, viewer and converter. Compatible with more than 500 formats.
BPG (Better Portable Graphics) is a new image format. Its purpose is to replace the JPEG image format when quality or file size is an issue. Its main advantages are:
Open source pixel art editor
Image hosting that shares ad revenue with image owner.
Self-hosted secure image hosting
Se-f-hosted image hosting application (with time limitation)
Trimage is a cross-platform GUI and command-line interface to optimize image files via optipng, advpng and jpegoptim, depending on the filetype (currently, PNG and JPG files are supported)
Free image hosting script
Internet under sea
TinEye is an image search engine. Give it an image and it will tell you where the image appears on the web.
Redimensionner automatiquement des images mais en ne changeant pas son contenu... ou le moins possible...
Online poster maker. Upload a small one. Download a ready to print black and white poster