openbadges.org 
RANK Public Topic [top shown]
- 369Open Source
- 1134Educational Resources
Some topics were contributed by users. If you create a good crawl setting, your crawl & site can appear here.
Significant concepts: 
issue open badges, image file, skill and achievement, display badge, badges specification, backpack service, share they badge system, issue open badge, issue badge system, social media, open, get start, organization across the world, lifelong learning, badge system design.
982723 distinct domains have been ranked in 2890 public topics.
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