HisTEI is an open-source framework for the Oxygen XML Editor that allows historians and historical linguists to transcribe texts in TEI in a word-processor-like view.

LimeSurvey allows users to quickly create intuitive, powerful, online question-and-answer surveys. The DH-lab extended the tool with an audio recording question type.

Genealogical data collected by laymen can be a rich source for social-economical historical research. Treechecker checks family trees for common mistakes and errors, and allows researchers to use the quality-checked data.