Imgur, PhotoPrism, Piwigo, Flickr, Photobucket, 500px, PostImage.org, ShotsShare, Temp Images, Pixelfed, Picuza, ipernity, LibrePhotos, novaGallery, Zenphoto, MediaGoblin, Zoph, phpGraphy, imagem.app, CF Image Host, BobblePic are some alternatives to Chevereto.