| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/gorilla/mux | Package mux implements a request router and dispatcher. |
| github.com/opentracing/opentracing-go | |
| github.com/urfave/negroni | Package negroni is an idiomatic approach to web middleware in Go. |
| 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. |
| sourcegraph.com/sourcegraph/appdash | Package appdash provides a Go app performance tracing suite. |
| sourcegraph.com/sourcegraph/appdash/opentracing | Package opentracing provides an Appdash implementation of the OpenTracing API. |
| sourcegraph.com/sourcegraph/appdash/traceapp | Package traceapp implements the Appdash web UI. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| time | Package time provides functionality for measuring and displaying time. |