Test and Item Analysis via Shiny
Psychometric meta-analysis toolkit
MCPower — simple Monte Carlo power analysis for complex models
Social Network Analysis and Visualization software
Gramps, the open source genealogy program
Datasets in Education and convenient interface for dataset
Package for Cognitively Diagnostic Analyses
A free and open source qualitative ethnographic interview coding tool.
Coin collecting software for organize and manage your own catalogue
Organizing the Knowledge of Humanity
A cross-platform transcription application.
Java graph/network library