Thanks to its open source approach, edX has attracted a large portfolio of online higher education courses with the most versatile course assessment currently available.
Catalog
![](https://sm.pcmag.com/t/pcmag_au/gallery/e/edx/edx_2xdh.800.jpg)
Verified Certificates
![](https://sm.pcmag.com/t/pcmag_au/photo/v/verified-c/verified-certificates_w7x7.800.jpg)
Purchasing a Verified Certificate
![](https://sm.pcmag.com/t/pcmag_au/photo/p/purchasing/purchasing-a-verified-certificate_s2e7.800.jpg)
Verified Certificates
![](https://sm.pcmag.com/t/pcmag_au/photo/v/verified-c/verified-certificates_ww6n.800.jpg)
Video Lectures
![](https://sm.pcmag.com/t/pcmag_au/photo/v/video-lect/video-lectures_bkpu.800.jpg)
Lecture Fatigue
![](https://sm.pcmag.com/t/pcmag_au/photo/l/lecture-fa/lecture-fatigue_u849.800.jpg)
Interactive Learning Tools
![](https://sm.pcmag.com/t/pcmag_au/photo/i/interactiv/interactive-learning-tools_c1vh.800.jpg)
Drag and Drop
![](https://sm.pcmag.com/t/pcmag_au/photo/d/drag-and-d/drag-and-drop_k2u5.800.jpg)
Timed Classes
![](https://sm.pcmag.com/t/pcmag_au/photo/t/timed-clas/timed-classes_aaww.800.jpg)
Everything Online
![](https://sm.pcmag.com/t/pcmag_au/photo/e/everything/everything-online_9jkw.800.jpg)