# Dependencies
HyperFormula depends on a few external libraries, as listed below. These dependencies are used to support some of the library's core features.
| Name | License | Author |
|---|---|---|
| bessel (opens new window) | Apache v2.0 | SheetJS |
| Chevrotain (opens new window) | Apache v2.0 | SAP SE or an SAP affiliate company |
| core-js (opens new window) | The MIT License | Denis Pushkarev |
| jStat (opens new window) | The MIT License | jStat |
| tiny-emitter (opens new window) | The MIT License | Scott Corgan |
The bessel and jStat projects are distributed with the code repository at the path src/interpreter/plugin/3rdparty and bundled with the code package.
We want to express gratitude and appreciation for all the hard work put into these awesome libraries by their authors and maintainers.