How to let people work on your fxserver (not zap hosting) also need a good money system

hello i want to know how i could let my friends work on my server so they could help me in develop the server and put scripts cars etc also i would like to know if any one has a good money system i could use

This depend entirely on what operating system the server is running on. Regarding a “good money system,” there is the native money system, and the following frameworks that add economy aspects: essential mode, essential mode extended (ESX), and vRP