| archive/tar | Package tar implements access to tar archives. |
| archive/zip | Package zip provides support for reading and writing ZIP archives. |
| bytes | Package bytes implements functions for the manipulation of byte slices. |
| compress/gzip | Package gzip implements reading and writing of gzip format compressed files, as specified in RFC 1952. |
| crypto/sha256 | Package sha256 implements the SHA224 and SHA256 hash algorithms as defined in FIPS 180-4. |
| encoding/json | Package json implements encoding and decoding of JSON objects as defined in RFC 4627. |
| flag | Package flag implements command-line flag parsing. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| go/build | Package build gathers information about Go packages. |
| golang.org/x/build | Package build contains constants for the Go continous build system. |
| golang.org/x/build/buildenv | Package buildenv contains definitions for the environments the Go build system can run in. |
| golang.org/x/build/buildlet | Package buildlet contains client tools for working with a buildlet server. |
| golang.org/x/build/dashboard | Package dashboard contains shared configuration and logic used by various pieces of the Go continuous build system. |
| golang.org/x/net/context | Package context defines the Context type, which carries deadlines, cancelation signals, and other request-scoped values across API boundaries and between processes. |
| golang.org/x/oauth2/google | Package google provides support for making OAuth2 authorized and authenticated HTTP requests to Google APIs. |
| google.golang.org/cloud | Package cloud contains Google Cloud Platform APIs related types and common functions. |
| google.golang.org/cloud/storage | Package storage contains a Google Cloud Storage client. |
| io | Package io provides basic interfaces to I/O primitives. |
| 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. |
| net/url | Package url parses URLs and implements query escaping. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| path | Package path implements utility routines for manipulating slash-separated paths. |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| regexp | Package regexp implements regular expression search. |
| runtime | Package runtime contains operations that interact with Go's runtime system, such as functions to control goroutines. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |