sheerid.com的 10 大竞争对手

coursera.org

Learn new job skills in online courses from industry leaders like Google, IBM, & Meta. Advance your career with top degrees from Michigan, Penn, Imperial & more.

zerogpt.com

ai content detector and chatgpt detector, simple way with high accuracy. ai checker & ai detector free for ai gpt plagiarism by zerogpt.

grammarly.com

Grammarly’s free writing app will make sure your messages, documents, and social media posts are clear, mistake-free, and impactful.

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.

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.

teaching.about.com

this guide will help you fulfill your mission as a teacher with resources on community involvement, school administration, and professional development, plus much more.

pomofocus.io

a simple pomodoro timer app that works on a desktop & mobile browser. pomofucus will help you manage your time and let you focus on any tasks such as study, writing, or coding.

tandfonline.com

search and explore the millions of quality, peer-reviewed journal articles published under the taylor & francis and routledge imprints.

duolingo.com

Learn languages by playing a game. It's 100% free, fun, and scientifically proven to work.

cengage.com

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