Alanmak

• Hong Kong Portal
• Wikiproject Hong Kong

Languages and Linguistics

• LEO Deutsch-Englisches Wörterbuch
• Yahoo Hong Kong Dictionary
• Chinese Romanisation Converter
• Phonetics Flash Animation Project by the University of Iowa

Mathematics

• WWW Interactive Multipurpose Server
• Wolfram Mathematica Online Integrator

Choral music

• Anglican chants
• Choral Public Domain Library
• BBC Choral Evensong
• BBC Choral Evensong Advance Schedule
• BBC Choral Evensong Archive

Other resources

• Multimedia Information System of the Hong Kong Public Libraries
• Inexpensive textbooks
• Look up your IP address

Wikipedians who take high-quality photographs of Hong Kong

• Baycrest
• Chong Fat
• Hokachung
• Minghong
• Suguru
• Tksteven
• WiNG

Templates

• Multilingual Infobox -- an important template started by me in 2006, now being used in more than 1000 articles

Pictures

• A foggy day and a sunny day -- chosen by Wikipedians to be the Picture of the Day on 29th December 2005
• Control room of the Jet Propulsion Laboratory
• Victoria Habour, Hong Kong
• Sai Kung Peninsula, Hong Kong
• Neoplan Centroliner Bus in NWFB livery
• Parade in Disneyland
• Isla Vista, California, USA

Maps

• Administrative divisions of Hong Kong
• Administrative divisions of Macau
• Location of Hong Kong
• Pre-1949 time zones of the Republic of China
• Population of China by regions
• Population density of China by regions
• Average annual precipitation in China
• China's railway network