Beside that, if you want to help translating osTicket, I suggest to looking at www.i18n.osticket.com and www.jipt.i18n.osticket.com.
There is osTicket translation currently in progress for a lot of languages (German, English UK, Spanish, French, etc.) and iirc and read the announcement correctly, it is planned to release a multi-language version of osTicket in the next time...