A few popular and reputable online education platforms that were well-regarded at that time. It's essential to research and review the latest options to identify the best service based on your specific needs and preferences. Here are some platforms that were recognized for their quality offerings:

1. GetSmarter: Known for providing short online courses in partnership with leading universities like the University of Cape Town and University of the Witwatersrand. Courses cover a range of subjects including business, finance, and technology.

2. Varsity College Online: Offers a variety of online short courses, degrees, and diplomas in collaboration with the Independent Institute of Education (IIE). They provide flexible learning options suitable for working professionals and full-time students.

3. UNISA Online: The University of South Africa (UNISA) offers a comprehensive range of undergraduate and postgraduate programs online. It's a reputable institution known for its distance education offerings.

4. EdX: While not specific to South Africa, EdX is a global online learning platform offering courses from top universities around the world. They have partnered with institutions like the University of Cape Town to provide high-quality courses.

5. Coursera: Another global platform offering courses from universities and institutions worldwide. Coursera partners with universities like the University of Pretoria to deliver online programs.

6. LinkedIn Learning: Provides a vast library of online courses covering business, technology, creative skills, and more. It's a good resource for professional development and upskilling.

When choosing the best online education service in South Africa, consider factors such as accreditation, course content quality, flexibility, student support services, and cost. Reading reviews and testimonials from other learners can also provide valuable insights into the effectiveness of these platforms. Additionally, check if the courses align with your career goals and interests. Always verify the latest information and offerings directly from the respective platforms before making a decision.