Tagworks is a web-based content analysis tool that enables social scientists to analyze large sets of documents using complex conceptual schemas
HEURIST is an extremely flexible, end-user oriented, web-based data management system designed specifically for Humanities data. Developed since 2005, it has been in active use across many projects since 2009. It is available both as a free web service for researchers (hosted at the University of Sydney Data Centre) or for installation on a physical or virtual server (Open Source on gitHub).
DiscoverText allows users to import data from a variety of sources (including free and premium Gnip Twitter feeds, plain text, Word, Excel, public YouTube comments, blogs/wikis, PDF, etc.), to view, search, filter, deduplicate, code and machine classify the data. This is a collaborative, web-based platform widely used by academics.