FulfILLment - developed by Equinox Software, Inc

"FulfILLment is an open source project designed to link library catalogs. When completed in about two years, it will provide library users seamless access to materials owned by libraries using FullfILLment—no matter which integrated library system his or her library uses. FulfILLment is being developed by Equinox Software, Inc. under contract with OHIONET"