1)   JExpert 1.00 JExpert is a free test simulation engine based on the latest pattern of Sun's Java Programmer Certification. The simulator contains a large number of questions and mock exams. 2)   Eagle Lander 3D 2.1.1 Eagle Lander 3D (EL3D) is an authentic simulation of the Apollo lunar landings. EL3D includes accurate renditions of scenery, flight dynamics and the lunar module.