Phrasomatic (conceptual authoring based on Phrasebook)
MOLTO Application Grammars
GF online editor for simple multilingual grammars
(there is also an older prototype)
Online syllogism solver
Minibar (Predecessors: Fridge poetry | Word-completing translator)
Question answering demo for simple math questions.
Tramdemo on YouTube: find your way in Gothenburg public transport system, in six languages (film).
Numeral translator for the iPhone: number words in 15 languages.
Numeral translator: number words in 88 languages. (Java applet)
Letter editor: compose a letter in a language you don't know. (Java applet)
Pizza: order a pizza by speaking to your web browser.
WebALT Math Editor: create mathematical exercises in six languages simultaneously (film).
[Out of order, early May 2012] WebALT Math translator: translate mathematical exercises in a web service using incremental parsing.
Library API browser-editor: construct phrases in the GF resource library