| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/bsphere/le_go | Package le_go provides a Golang client library for logging to logentries.com over a TCP connection. |
| github.com/docker/docker/daemon/logger | Package logger defines interfaces that logger drivers implement to log messages. |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| github.com/sirupsen/logrus | Package logrus is a structured logger for Go, completely API compatible with the standard library logger. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |