List of MOOC (Massive Open Online Courses)

1. EdX - A Not-for-profit enterprise with MIT and Harvard universities as founding partners.
2. Coursera - A for profit, venture-backed company founded by computer science professors Andrew Ng and Daphne Koller from Stanford University.
3. NovoEd - Rebranded version of Stanford’s Venture Lab, with a special focus on students collaboration and real-world course projects.
4. Udacity - Udacity was an outgrowth of a Stanford University experiment in which Sebastian Thrun and Peter Norvig offered their ‘Introduction to Artificial Intelligence’ course online for free in which over 160,000 students in more than 190 countries enrolled.
5. Futurelearn - The first UK-led multi-institutional platform, partnering with 17 UK universities, offering MOOC to students around the world. It is a private company owned by the Open University.
6. OpenUpEd - First Pan-European MOOC initiative, with support of the European commission. It includes partners from 11 countries.
7. iversity - A company with a diverse interdisciplinary team from Berlin presently offering MOOC production fellowship and collaboration network for academia.
8. Open2Study - An initiative of Open Universities Australia which itself is a leading provider online education through collaboration of several Australian universities.
9. Canvas - An open, online course network that connects students, teachers & institutions
10. 10gen Education - an online learning platform run by 10gen (the MongoDB company)
11. OpenLearning
12. Class2Go – UWA
13. Class2Go – Stanford - Now in maintenance mode. Will be merged with edX platform.
14. MRUniversity - Focusing on economics courses, founded by two GMU professors
15. Academic Earth
16. P2PU - Peer to Peer University is a non-profit online community based learning platform, founded with funding from the Hewlett Foundation and the Shuttleworth Foundation.
17. Udemy - An online learning platform that allows anyone to host their video courses.
18. Caltech’s ‘Learning From Data’ Course
19. OpenHPI - The educational Internet platform of the German Hasso Plattner Institute, Potsdam, focusing on courses in Information and Communications Technology (ICT).
20. UoPeople – University of the People (UoPeople) is a tution-free, non-profit, online academic institution offering undergraduate programs in Business Administration and Computer Science.
21. Saylor - a non-profit organization that provides over 280 free, self-paced courses.
22. World Education University - WEU
23. CourseSites MOOCs
24. Open Learning Initiative – CMU
25. Unimooc
26. iDESWEB
27. WideWorldEd – First Canadian MOOC provider
28. Eliademy 
29. MOOC on Philanthropy
30. Alison
31. Khan Academy - Finally, it’s included in the list!
32. Schoo - Japan’s MOOC provider. Presently, offering more than 130 courses 
33. Veduca - From Brazil
34. Acamica
35. Poynter’s News University 
36. @ral A brief description of the above three can be found here.
37. Kennesaw State University’s MOOC Kennesaw State University will offer “K-12 Blended and Online Learning MOOC “, its first, beginning January 2014 
38. Pedagogy First Offers program for online teaching certificate 
39. Think CERCA Chicago based company helps develop critical thinking and writing skills for a better K-12 education 
40. Modern Lessons Helps teachers to become tech savvy and more engaged
41. Cybrary Although it markets itself as the source of free Cybersecurity training video courses, it also has many free video courses for preparing for several IT Certifications from several vendors like Comptia (A+, Linux+, Network+, Security+ ...), Microsoft (MCSA), PMI (PMP), Cisco (CCNA), Axelos (ITIL Foundation), etc.
42. Hackr.io is a great resource to find the best online programming courses/tutorials curated and voted by programming community.
43. Institute of Art and Ideas