added sourcegraph

README.md

@@ -1174,6 +1174,7 @@ See **[Ticketing](#ticketing)**
 - [Selenoid](http://aerokube.com/selenoid/latest/) - Lightweight Selenium hub implementation launching browsers within Docker containers. ([Source Code](https://github.com/aerokube/selenoid)) `Apache-2.0` `Go`
 - [Wide](https://github.com/b3log/wide) - Web-based IDE for Teams using Go programming language/Golang. ([Demo](http://wide.b3log.org/signup)) `Apache-2.0` `Go`
 - [Zalenium](https://github.com/zalando/zalenium) - Allows anyone to have a disposable and flexible Docker-based Selenium Grid infrastructure featuring video recording, live preview and online/offline dashboards. `Apache-2.0` `Java/Shell`
+- [sourcegraph](https://sourcegraph.com) - Sourcegraph is a fast, open-source, fully-featured code search and navigation engine written in Go. ([Source Code](https://github.com/sourcegraph/sourcegraph)) `Apache-2.0` `Go`
 
 ### Continuous Integration