Glad you came here to read more about open source. In case you haven’t read " Why you should use Open Source Software " yet, maybe you should check out that one first. This is a series of 5 articles, in this series you will find many Open Source Software and few Free but not Open Source software , which are good to have for better creativity, productivity, communication, media management, and more. No software here is a trial, all are fully functional and forever free, though few software may have a premium version which are not free. Some of those software are very good alternatives to some well-known industry standard Proprietary and Paid Software , some are so good in their work that there is not even a paid software like them, they are the industry standard.