Every once in a while, community uproar over contentious open source licensing in a popular product will grab headlines, causing all of us to debate what open source licenses are really about. Last year it was the Apache Foundation’s ban of components with Facebook React’s contentious patent clause which caused a stir that sent developers running for the Reddit boards. These past few months, Redis Labs and MongoDB have made changes in the open source licenses of some of their most popular open source databases, leaving many to scratch their heads, highlighting the need to have open source licenses explained in human speak. The simplest explanation is that open source licenses are legal and binding contracts…