Adding Buffalo team to the list of open source teams using 1password.

README.md

@@ -449,3 +449,8 @@ https://github.com/perl6
 
 ### NUSMods
 [NUSMods](https://nusmods.com) is a student maintained course catalogue, module search and timetable builder for the National University of Singapore.
+
+### Buffalo
+[Buffalo](https://gobuffalo.io) is a Go web development eco-system, designed to make your life easier.
+
+Buffalo helps you to generate a web project that already has everything from front-end (JavaScript, SCSS, etc.) to the back-end (database, routing, etc.) already hooked up and ready to run. From there it provides easy APIs to build your web application quickly in Go.