This should also be a wakeup call to anyone using closed source tools at all: DynamoDB, MongoDB, Elasticsearch, AWS Lambda, Azure, AWS, Azure Devops, SqlServer, Oracle, etc. While some of these tools are best in class, it's borrowed time until the owner decides to change the terms, stop offering it, or raise prices enough to damage your business. Closed source software tools are a liability, and the benefits often ar…
But history has shown them get cheaper and more capable over time for nearly every example you gave.
There isn't enough space to list the closed source software tools that didn't make it. Off the top of my head: Adobe Flash, MS Basic, SourceSafe, ActiveDesktop, FoxPro, J#, Oslo, IronRuby, and Silverlight.