Open Source JavaScript Information Analysis Software

Zocalo is a toolkit for building Prediction Markets, markets in securities that pay out depending on outcomes of future events. A prediction market can provide estimates of the likelihood of specific outcomes that are more reliable than other sources of

A complete survey administration and data collection system. A fully featured replacement for Quancept, supporting CAPI, Web, CATI, PDA and Paper survey modes. Sonar is the reference implementation of JCaiF for CAPI and Web survey interviewing. Try it!

An online judge system to judge the ACM-ICPC programming contests.