We provide educators with open source tools and resources needed to actively engage teachers in making education content localized and adapted to their own environments. (oercommons.org)
It is also clear from past experience that we can not rely on open source tools to meet our every need. (epubsecrets.com)
Besides, I'm fairly certain you already have adopted open source tools whether you intended to do so or not, so let's not split hairs. (elearningindustry.com)