Open Source Programme für Apple Mac OS X. The #1 Enterprise AJAX Framework for Java-based Rich Internet Ap. Photoshop's Baby Son, Seashore. Watch your back Photoshop, Seashore is closing in on you… ...Almost. Okay, so Seashore is never likely to take over the role of super-duper-photo-editing-and-creation-program, but for a free alternative to the imaging powerhouse, keep reading.