moodle is a learning platform or course management system (cms) - a free open source software package designed to help educators create effective online courses based on sound pedagogical principles. you can download and use it on any computer you have handy (including webhosts), yet it can scale from a single-teacher site to a 200,000-student university. moodle has a large and diverse user community with over 100,000 sites registered worldwide speaking over 140 languages in every country there is.

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cengage helps higher education instructors, learners and institutions thrive with course materials built around their needs. at cengage, we’re here for you.

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quizlet makes simple learning tools that let you study anything. start learning today with flashcards, games and learning tools — all for free.

grammarly makes ai writing convenient. work smarter with personalized ai guidance and text generation on any app or website.

free math problem solver answers your algebra homework questions with step-by-step explanations.

brainly es una comunidad creada para compartir conocimientos, donde 350 millones de estudiantes colaboran codo con codo para resolver los deberes escolares más difíciles.