The following are colleges and universities in Oman with online presence:
1. Al Musanna College of Technology (http://www.act.edu.om)
2. Al-Buraimi University College (http://www.buc.edu.om/)
3. Al-Zahra College for Women (http://www.zahracol.edu.om/)
4. Bayan College (University College) (http://www.bayancollege.edu.om/introduction.html)
5. Caledonian College of Engineering (http://www.caledonianoman.org/)
6. College of Banking and Financial Studies (http://www.cbfs.edu.om/)
7. Dhofar University (http://www.du.edu.om/)
8. Fire Safety Engineering College (http://www.fsecoman.com/)
9. German University of Technology in Oman (http://www.gutech.edu.om/)
10. Gulf College (http://www.gulfcollegeoman.com/)
11. Ibra College of Technology (http://www.ict.edu.om/)
12. International Maritime College Oman (http://www.imcoman.net/)
13. Majan College (http://www.majancollege.edu.om/)
14. Mazoon College (http://www.mazooncollege.edu.om/)
15. Middle East College of Information Technology (http://www.mecit.edu.om/)
16. Modern College of Business and Science (http://www.mcbs.edu.om/)
17. Muscat College (University College) (http://www.mctcollege.com/english/e_main.html)
18. Nizwa College of Technology (http://www.nct.edu.om/)
19. Nizwa University (http://www.unizwa.edu.om/)
20. Oman Dental College (http://www.omandentalcollege.org/Welcome_to_ODC.html)
21. Oman Medical College (http://www.omc.edu.om/)
22. Oman Tourism & Hospitality Academy (http://www.otha.edu.om/)
23. Salalah College of Technology (http://www.sct.edu.om/web/)
24. Scientific College of Design (http://www.scd.edu.om/)
25. Sohar University (http://www.soharuni.edu.om/)
26. Sultan Qaboos University (http://www.squ.edu.om/)
27. Sur University College (http://www.suc.edu.om/)
28. University of Nizwa (http://www.unizwa.edu.om/)
29. University of Sohar (http://www.soharuni.edu.om/)
30. Waljat Colleges of Applied Science (http://www.waljatcolleges.edu.om/)
Please post any other university if known.