Most of the IIIF software developed is open source and can be found through the Awesome-IIIF list.

A typical IIIF request response cycle looks something like this.

IIIF request response

This request response cycle follows a basic pattern, where a IIIF client wants to display an object consisting of n images. The client then requests a IIIF Presentation API manifest.json from a server. The client then parses the manifest and starts to put together a view of the image object. For each image that it wants to display, the client then requests an info.json response from the IIIF server. The info.json response contains information about the image, including dimensions, available image server options, and available tile levels.

IIIF manifest software

IIIF manifest's can be served as static or dynamic content. The manifest can be quite complex, but at its basic level it contains metadata about the image object. Several libraries exist for creating these manifests.

IIIF image server software

There are several IIIF image server software applications available. These image servers have two main functions: responding to info.json requests and responding to image requests. Later on in this workshop we are going to install the Cantaloupe IIIF Image Server.

IIIF client software

IIIF clients are built to consume IIIF web services using the technical specications. Some clients are focused on presenting image objects while, others are only interested in consuming the image server responses.

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