study.com 的前十大競爭對手

chegg.com

Innovative learning tools. 24/7 support. All in one place. Homework help for relevant study solutions, step-by-step support, and real experts.

brainly.com

brainly.com - for students. by students. brainly is the place to learn. the world’s largest social learning network for students.

sparknotes.com

SparkNotes are the most helpful study guides around to literature, math, science, and more. Find sample tests, essay help, and translations of Shakespeare.

khanacademy.org

Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.

byjus.com

byju's comprehensive e-learning programs for k3, k10, k12, neet, jee, upsc & bank exams from india's best teachers. join today to fall in love with learning

litcharts.com

from the creators of sparknotes, something better. understand more, faster. free!

1-language.com

with linguanaut you will be able to learn new foreign languages for free, you will learn how to say phrases, like how to say hello, welcome, thank you, other greetings and useful words and sentences in many languages.

ets.org

We are a global education and talent solutions organization enabling lifelong learners to be future ready. We advance the science of measurement to build the benchmarks for fair and valid skill assessment.

mometrix.com

We think differently about test prep. We believe you can perform better by implementing a few critical test taking strategies and focusing your study time.