A.nnotate.com allows you to annotate documents and images online. You may also collaborate on documents and index files. A.nnotate.com supports PDF and MS Office file formats, and runs on all common web browsers.
The cross-platform Advene application allows users to easily create comments and analyses of video documents, through the definition of time-aligned annotations and their mobilisation into
automatically-generated or user-written comment views (HTML documents). Annotations can also be used to modify the rendition of the audiovisual document, thus providing virtual montage, captioning, navigation... capabilities. Users can exchange their comments/analyses in the form of Advene packages, independently from the video itself.
The Annotator's Workbench is a software tool that enables users to create a collection from a set of existing video files, segment that collection, create annotations and assign vocabulary terms to the segments, and control access. This tool is part of the Ethnographic Video for Institution and Analysis (EVIA) Digital Archive Project at Indiana University and the University of Michigan.
This online tool can be used for a wide variety of annotation tasks, including visualization and collaboration.
brat is designed in particular for structured annotation, where the notes are not freeform text but have a fixed form that can be automatically processed and "interpreted" by a computer. brat also supports the annotation of n-ary associations that can link together any number of other annotations participating in specific roles. brat also implements a number of features relying on natural language processing techniques to support human annotation efforts.
CiteULike allows users to store, organise and share the scholarly papers they read, by clicking on a button on CiteULike-enabled sites, which automatically extracts the bibliographic information and saves it to CiteULike. Users can export CiteULike listings to BibTex, and Facebook integration is also available.
Digress.it is a WordPress plug-in that allows paragraph-level commenting in the margins of a text. Use digress.it as a collaboration tool for blog-style comment threads off individual paragraphs. Host your project on digress.it or download it for use with your own WordPress installation.
Domeo is an extensible web application enabling users to visually and efficiently create and share ontology-based stand-off annotation on HTML or XML document targets. The tool supports manual, fully automated, and semi-automated annotation with complete provenance records, as well as personal or community annotation with access authorization and control.
EPPT allows users to encode image-based scholarly editions without having to know XML syntax. It automates or semi-automates repeating attributes, and provides templates to reduce errors and accelerate the encoding process.
Editors' Notes is an open-source, web-based tool for recording, organizing, preserving, and opening access to research notes, built with the needs of documentary editing projects, archives, and library special collections in mind.
eLaborate is a digital tool for the creation and research of texts online. Researchers may create websites, individually or with collaborators, on the transcription and edition of a text. The born-digital editions the user creates may then be transferred over to a freely-accessible website for better navigation and simple search.