Update README.md (#1203)

README.md

@@ -1135,6 +1135,7 @@ See [go-hardware](https://github.com/rakyll/go-hardware) for a comprehensive lis
 * [fasthttprouter](https://github.com/buaazp/fasthttprouter) - A high performance router forked from `httprouter`. The first router fit for `fasthttp`.
 * [Fireball](https://github.com/zpatrick/fireball) - A more "natural" feeling web framework.
 * [Florest](https://github.com/jabong/florest-core) - High-performance workflow based REST API framework
+* [Gem](https://github.com/go-gem/gem) - A simple and fast web framework, friendly to REST API.
 * [Gin](https://github.com/gin-gonic/gin) - Gin is a web framework written in Go! It features a martini-like API with much better performance, up to 40 times faster. If you need performance and good productivity.
 * [Gizmo](https://github.com/NYTimes/gizmo) - Microservice toolkit used by the New York Times.
 * [Glue](https://github.com/desertbit/glue) - Robust Go and Javascript Socket Library (Alternative to Socket.io).