| database/sql | Package sql provides a generic interface around SQL (or SQL-like) databases. |
| 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/mattn/go-sqlite3 | Package sqlite3 provides interface to SQLite3 databases. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| log | Package log implements a simple logging package. |
| net/http | Package http provides HTTP client and server implementations. |