Author and developer
Povilas Musteikis (UnrealX)
Develops and maintains XtGem, takes care of the server, provides support for users.

Thanks to (random order)

Zijan_Team
Translated XtGem to bosnian.
Site: wap.zijan.net

NemesiZ
Helped XtGem to take-off.

Nguyen_Minh_Vuong
Translated XtGem to vietnamese.
Site: chipbaby.xtgem.com

Alejandro_Ramirez
Translated XtGem to spanish.

Free2Wap
Translated XtGem to serbian.
Site: wap.0vr.net

2-wap_admin
Translated XtGem to punjabi.
Site: 2-wap.net

mkamh25
Translated XtGem to dhivehi.
Site: madlabs.xtgem.com

witkuz
Designed the logo, some other graphical elements.
Site: witkuz.com

Punjabi
Translated XtGem to hindi.
Site: rarecoin.xtgem.com

WebGraf_Team
Translated XtGem to russian.
Site: wgtru.info

Muhammad_Ridwan_Hakim
Translated XtGem to indonesian.
Site: rescen.mw.lt

Alain
Translated XtGem to french, actively supports creator development.
Site: kilroy.xtgem.com

catalinkm
Translated XtGem to romanian.
Site: szmirika.hexat.com