| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/PuerkitoBio/goquery | Package goquery implements features similar to jQuery, including the chainable syntax, to manipulate and query an HTML document. |
| github.com/aymerick/douceur/css | |
| github.com/aymerick/douceur/parser | |
| golang.org/x/net/html | Package html implements an HTML5-compliant tokenizer and parser. |
| regexp | Package regexp implements regular expression search. |
| 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. |