You know those places where you rent storage space by the month? A friend of a friend has one & is looking for some software to run it, as things are done on paper at the moment.
- Any o/s
- preferably gratis, but sub $1k might be acceptable
- calendar based reservation system
- customer management
- invoicing
That's about the basics, as far as I understand it (he is on a another continent and there is a language barrier).
It might also be nice if the system can write mag swipe cards or RFID/NFC tags to open the main door (and record who opens it) outside of business hours.
That's about as specific as I have it now, but I can relay your questions, if any, and update this question with any answer received.
Feel free to change the tag.