Photomath is an educational technology mobile app, owned by Google. It features a computer algebra system with an augmented optical character recognition system, designed for use with a smartphone's camera to scan and recognize mathematical equations; the app then displays step-by-step explanations onscreen. 

Socrative is an online tool for teachers to give quizzes and on-the-fly assessments to students. With Socrative you can create your own quizzes, quizzes are automatically graded, and you can create reports to evaluate how everyone did. 

Padlet is an online post it wall. It allows individuals (and large/ small groups) to post their comments, questions, and resources in one place that is easily accessible to everyone. It gives an opportunity to the students to learn from each other.

PhET Interactive Simulations incorporates research-based practices on effective teaching to enhance the learning of science and mathematics concepts.The simulations are designed to be flexible so that they can be used as lecture demonstrations, labs, or homework activities.They use an intuitive, game-like environment where students can learn through scientist-like exploration within a simplified environment, where dynamic visual representations make the invisible visible, and where science ideas are connected to real-world phenomena.