Adobe Lightroom, FastStone Image Viewer, IrfanView, Google Photos, PhotoPrism, digiKam, XnView, ImageGlass, XnView MP, TagSpaces, nomacs, Super Eraser, ente Photos, Pictomio, Imgseek, Fotobounce, Bazoo Collage, Jetphoto, Solang are some alternatives to KPhotoAlbum.