Optimus-is a microformats transformer. Easily transform your microformatted content to nice, clean, easily digestible, XML, JSON or JSON-P. You can also easily set filters to only receive particular formats.
Now your web site could really be your API with goodness of microformats and power of Optimus.
This is a BETA implementation of an XSLT file to transform and hResume encoded XHTML file into the corresponding contact file. The DRAFT specification for hResume encodings can be found at the Microformats Wiki.
The OKKAM project aims at enabling the Web of Entities, namely a virtual space where any collection of data and information about any type of entities (e.g. people, locations, organizations, events, products, ...) published on the Web can be integrated into a single virtual, decentralized, open knowledge base
Data Matrix is very similar to QR Codes and has gained traction in Europe. The differences are negligible between this and QR Codes.
PDF417 format has been taken up by the airlines and travel industry for the printable boarding passes along with various postal services for printable stamps.
The MaxiCode format was developed in the package shipping industry to quickly track packages. It has limited use outside of this.