diff --git a/README.md b/README.md
index b3b47de..6a99ee2 100644
--- a/README.md
+++ b/README.md
@@ -1109,6 +1109,7 @@ Software written in Go.
 * [fleet](https://github.com/coreos/fleet) - A Distributed init System.
 * [Go Package Store](https://github.com/shurcooL/Go-Package-Store#go-package-store-) - An app that displays updates for the Go packages in your GOPATH.
 * [gocc](https://github.com/goccmack/gocc) - Gocc is a compiler kit for Go written in Go.
+* [GoDocTooltip](https://github.com/diankong/GoDocTooltip) - A chrome extension for Go Doc sites, which shows function description as tooltip at funciton list.
 * [Gor](https://github.com/buger/gor) - Http traffic replication tool, for replaying traffic from production to stage/dev environments in real-time.
 * [heka](https://github.com/mozilla-services/heka) - universal tool for data processing from Mozilla. Large collection of built-in plugins. Extendable via Go and Lua plugin API.
 * [hsync](http://ambrevar.bitbucket.org/hsync/) - A filesystem hierarchy synchronizer