Collection of middlewares created by the community

Package gorilla/sessions provides cookie and filesystem sessions and infrastructure for custom session backends.

[Go] Package of validators and sanitizers for strings, numerics, slices and structs

struct 验证器，内置大部分常用验证，可自定义

An in-memory cache library for golang. It supports multiple eviction policies: LRU, LFU, ARC

Gin is a HTTP web framework written in Go (Golang). It features a Martini-like API with much better performance -- up to 40 times faster. If you need smashing performance, get yourself some Gin.

general purpose extensions to golang's database/sql