EVT

Synopsis
"EVT (short for Edition Visualization Technology) is a software created to navigate and visualise digital editions based on the TEI XML encoding standard."

Features
See a description of the main features in a blog post announcing the Digital Vercelli Book.

"At the moment EVT doesn't support critical editions, only diplomatic editions, but we plan to add support for the former at some point in time, I can't tell when right now though. First we want to add support for the embedded transcription and a search functionality."

User commentary
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System requirements
"Everything works in a client-only way, so that no server software is needed; this means that you only need some space on a web server to copy your data, and nothing else, to be able to publish a digital edition."

Source code and licensing
GNU General Public License version 2.0 (GPLv2)

Support for TEI
"At the present moment EVT can be used to create image-based editions with two possible edition levels: diplomatic and diplomatic-interpretative; this means that a transcription encoded using elements of the TEI transcr module (see chapter 11 Representation of Primary Sources in the TEI Guidelines) should be compatible with EVT, or made compatible with minor changes; on the image side, several features such as a magnifying lens, a general zoom, image-text linking and more are already available. For the future we aim at taking the Critical Apparatus module into consideration, which would imply creating a separate XSLT style sheet to complement the two existing ones, and make it easier to configure the whole system, possibly by means of a GUI tool."

Sample implementations
Digital Vercelli Book

Current version number and date of release
0.1.62 (2014-12-01)

How to download or buy
http://sourceforge.net/projects/evt-project/files/?source=navbar

Additional notes
"A previous version of the code has already been released on Sourceforge (http://sourceforge.net/projects/evt-project/), the current version offers all the tools listed above, with the exception of a search engine (expected to be implemented in early 2014), and again will be made available as open source software on Sourceforge after a code clean-up following to the Digital Vercelli Book beta publication."