- Decimal Degrees
- Experimentation that brings spatial information uses PHP as server-side scripting language and Mapserver for mapping.
- Franson CoordTrans
- Supports ESRI shape-life and designed to convert geographic coordinates.
- SeisSoft Company Commercial Software
- Features product like coordinate data conversion and datum-to-datum transforms, downloads, supports, FAQs and contact.
- ZipMath Software
- Geo-information service includes details on store locators, geo-coded databases, products, services, applications, and updates, downloads and support.
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