#Licensing Websites On Xranks
探索最好的 licensing 基于排名、流量和参与度的世界网站 如 creativecommons, gnu 或者 pearsonvue.
When we share, everyone wins - Creative Commons.
The GNU Operating System and the Free Software Movement.
Pearson VUE delivers high-stakes exams that empower professions to certify and license individuals who safeguard and advance their communities across the globe. We continue to develop the leading testing technologies that drive progress through essential credentials in virtually every industry.