kid a-z is so stupid. so is abcmouse, and abcya, and amplify, and blackboard learn, and blooket, and brainpop, and canvas, and carnegie math, and classmojo, and clever, and code.org, and coursera, and desmos, and edpuzzle, and edX, and getepic, and grammaly, and goconqr, and google classroom, and hapara, and funbrain, and infinite campus, and IXL, and NASA, and PBS kids, and prodigy, and microsoft teams, and mobymax, and national geographic, and nearpod, and newsela, and scholastic, and sciencebob, and scratch, and schoology, and starfall, and securly, and splashlearn, and teacher dashboard, and TPT, and kahoot, and khan academy, and quizlet, and quizziz, and reading eggs, and xtramath. i have almost definitely missed a lot. i will reply my own comment with some of the ones i missed once i find them.