* [decimal v1.5.0](https://github.com/shopspring/decimal) – Arbitrary-precision fixed-point decimal number library for Go, with exact addition, subtraction, multiplication, and controllable-precision division.

* [moov-io/ach v1.64.0](https://github.com/moov-io/ach) – Reader, writer, and validator for ACH files following Nacha standards.