I would like to know if there are any basic systems like SaaS in the open source world.
Trying to find options for implementing a new product such as SaaS, which he is working on. Java solutions would be preferable, but everyone is welcome.
For example: Basecamp will allow you to subscribe to the service, and they will provide you with yourdomain.basecamphq.com. Obviously, the base code base is the same, and it simply routes and processes the data based on the "yourdomain" wildcard. There are some basic color change options from what I can say.
Another example: StackExchange is similar. You can create a hosted StackExchange site that runs on the same computer and uses the same instance of the application that runs other stack exchange sites.
I would like to get sample codebases with this feature in the open source field.
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