| bytes | Package bytes implements functions for the manipulation of byte slices. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/spdx/tools-golang/spdx | Package spdx contains references to the latest spdx version |
| github.com/spdx/tools-golang/spdxlib | Package spdxlib contains convenience and utility functions for working with an SPDX document that has already been created in memory. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |