# Commercial Off-the-Shelf Software
**Aliases:** COTS
**Entity class:** Software acquisition category
## Definition
**Commercial Off-the-Shelf (COTS) software** is commercially available software acquired for use with limited or configurable modification rather than built entirely as a custom government system.
## Relationships
- **examples in the ICE successor stack:** [[wiki/Palantir Gotham|Palantir Gotham]], [[wiki/PenLink|PenLink]], and digital-forensics products.
- **deployment model may include:** [[wiki/Software as a Service|SaaS]].
- **integration route:** [[wiki/Application Programming Interface|APIs]] and web services.
## Sources / Provenance
- [Federal Acquisition Regulation — Commercial products and services](https://www.acquisition.gov/far/part-12)