The services of the jix.IM server are completely free of charge, it’s a hobby project developed in free time and maintained by the administrator’s own funds, so any financial support is welcome.
Supporting server get VIP status, which brings lower server restrictions – storing up to 2000 offline messages, maximum 10 active simultaneous sessions and no file transfer proxy speed limit. Each VIP will be able to register an account with 1-2 characters JID or choose a name that is currently prohibited during registration.