Dolphin Dispatch is trucking dispatch software that allows you to track dispatches, convert completed loads into invoices, and receive cash against invoices. Rates can be automatically generated based on origin and destination zip codes. It offers: unlimited users/multi-user, and unlimited data in a MySQL database. It can quickly convert completed loads into invoices, upload additional documents associated with loads, and email or text drivers directly from the system.
StreetSign is a digital signage system, originally written for the TeenStreet 2013 (Germany) youth congress. It works with a single server, and multiple client computers connect over the network. It is lightweight enough that a Raspberry PI can run as the server for smaller installations.