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Name	Type	Information
Google	Search Engine, Every kind of developer	Owns Android OS
Microsoft	Every kind of developer	Owns Windows OS
Adobe	Many kind of developer	Known for making Adobe Acrobat, Adobe Photoshop and many more professional softwares and/or applications.
Apple	Hardware developer	Owns IOS(Iphone OS and Ipad OS)

Name	Type	Information
Wisdom Eye	Offers courses for students from class 5 up to college	-
Vedantu	Focuses mainly on live learning and live quizez.Also offers many past videos and tests.	-
Byju's	Offers everything for learning.	Offers everything for learning including but not limited to question-answer site, tests and exams, plenty of recorded videos for classes and lectures, and live classes!