To Use OSS or Not to Use? This post is a result of a very big discussion I had with a customer that I’m currently consulting for. The discussion started because a project reached its testing phase and to my surprise the QA team worked with… (don’t be shocked) a primitive excel file to manage bugs. The testing phase was taking to long because of things like concurrency (two users can’t edit the excel file at the same time), synchronization of the same file and many other multi-user or files problems...