Teach Yourself Tetum... - Review and interview by John Hajek on Lonely Planets East Timor Phrasebook for Tetum, the lingua franca of East Timor, the national language and one of the two official languages.
Tetum - A description of Tetum, including vocabulary, grammar and basic phrases.
The Tetum Project - A developers site for translation tools, protocols and refinment for the Tetum Language on Open Source desktops.