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. |
log | Package log implements a simple logging package. |
math | Package math provides basic constants and mathematical functions. |
net/http | Package http provides HTTP client and server implementations. |
os | Package os provides a platform-independent interface to operating system functionality. |
runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |
sort | Package sort provides primitives for sorting slices and user-defined collections. |
strconv | Package strconv implements conversions to and from string representations of basic data types. |
strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
sync/atomic | Package atomic provides low-level atomic memory primitives useful for implementing synchronization algorithms. |