- gubb: A web-based application to create, manage and share lists. The gubb API is one of those that has abilities not in the core product, in this case it allows filtering and querying of items across lists.
- OpenDOAR: Is an API from the academic space that's part of an effort to construct a comprehensive and authoritative list of institutional and subject-based repositories.
- Lokad: Is an online time-series forecasting service. The SOAP-based API allows you to perform web service functions like AddSeries and GetForecast on your datasets.