• digilib is a web based client/server technology for images. The image content is processed on-the-fly by a Java Servlet on the server side so that only the visible portion of the image is sent to the web browser on the client side.

An open-source, web-based 'multi-up' viewer that supports zoom-pan-rotate functionality, ability to display/compare simple images, and images with annotations.

A Rails engine for metadata aggregation, enhancement, and quality control.
Digital Public Library of America uses Kri-Kri as part of
Heiðrún, its metadata ingestion system.

REPOX is a framework to manage data spaces. It comprises several channels to import data from data providers, services to transform data between schemas according to user's specified rules, and services to expose the results to the exterior.

WebArchivePlayer is a brand new desktop tool which provides a point-and-click wrapper for viewing web archive files (WARC and ARC). The player allows users to browse web archive files, such as those created via locally on their desktop. Once downloaded, no internet connection is necessary in order to browse the archive.

ColorSharp is a .NET/Mono library to handle color spaces and light spectrums.

It currently supports light spectrums, and the following color spaces:
- CIE's 1931 XYZ
- CIE's 1931 xyY
- CIE's 1960 UVW
- sRGB

Koha is an open source integrated library system. First developed in New Zealand in 2000, Koha is now used by libraries around the world and has been contributed to by over 180 developers.

Goobi is an open source software application for digitisation projects and workflow management in libraries, museums and archives.

Goobi allows to model, manage and supervise freely definable production processes. Goobi includes importing data from library catalogues, scanning and content-based indexing and the digital presentation of results in standardised formats.

The PERICLES Extraction Tool (PET) is an open source (Apache 2 licensed) Java software for the extraction of significant information from the environment where digital objects are created and modified. This information supports object use and reuse, e.g. for a better long-term preservation of data.

The suite of programs retrieves bibliographic data and Open Library pages for a set of identified books, organizes these for selection based on quality, and makes appropriate changes to the MARC records based on the library's requirements. In addition, statistics about book downloads are obtained via simple integration with the URL shortening service.