The DELTA format (DEscription Language for TAxonomy) is a flexible and powerful method of recording taxonomic descriptions for computer processing. It was adopted as a standard for data exchange by Biodiversity Information Standards (TDWG).
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux
Delta is the most popular Windows & Linux alternative to Xper3.
Delta is the most popular Open Source & free alternative to Xper3.
- Delta is Free and Open Source




