Omeka: An Open source content management system for online digital collections. As a web application, it allows users to publish and exhibit cultural heritage objects, and extend its functionality with themes and plugins.
Scalar: Scalar is a free, open-source authoring and publishing platform that's designed to make it easy for authors to write long-form, born-digital scholarship online. Scalar enables users to assemble media from multiple sources and juxtapose them with their own writing in a variety of ways, with minimal technical expertise.
Wordpress: publishing websites and projects.
Annotation Studio: Web-base annotation tool.
Digital Textuality Resources Page: Resource page created by Kimberly Knight and her students at U. Texas, Dallas for text production, audio, and still images.
Gephi: Open source visualization software.
Voyant: Web base text analysis tool.
Bibliopedia: Platform for organizing, visualizing, sharing, and searching archives without the need for expertise in metadata and/or data visualization. In-depth data mining and cross-referencing of scholarly literature.
Commons in a Box: "Free software project aimed at turning the infrastructure that successfully powers the CUNY Academic Commons into a free, distributable, easy to install package."
Digital Research Tool (DIRT): The DiRT Directory is a registry of digital research tools for scholarly use. DiRT makes it easy for digital humanists and others conducting digital research to find and compare resources ranging from content management systems to music OCR, statistical analysis packages to mind mapping software.
DH Toychest: Guides to Digital Humanities, tutorials, tools.
Shanti Interactive: "Suite of tools that make it easy to create highly interactive web-based visualizations, videos, and maps. They are freely available from the University of Virginia's science, Humanities, and Arts Network of Technological Initiatives."
Getting started with data, tools, and platforms: Zotero library containing reading and guides to help you with your DH project. Compiled by the Humanities Intensive Learning and Teaching (HILT)Conference.
NYPL MapWarper: It allows to layer maps from the NYPL historical collection to maps of today.
StoryMapJS: Free tool to help you tell stories on the web that highlight the locations of a series of events. You can use your Google account to access it!
QGIS: Open source Geographic Information System.