Zhiam Kamvar is Lesson Infrastructure Technology Developer at The Carpentries (Software Carpentry, Data Carpentry & Library Carpentry), an open global community teaching the skills & perspectives to turn data into knowledge.1 MaĆ«lle Salmon is a Research Software Engineer with rOpenSci. In this post they compare their experiences in the two distinct organizations The Carpentries and rOpenSci. At rOpenSci, many packages are maintained by volunteer community members, and similarly at The Carpentries lessons are maintained by volunteer community …