Update README.md

README.md

@@ -325,6 +325,7 @@ API | Description | Auth | HTTPS | CORS |
 | [Todoist](https://developer.todoist.com) | Todo Lists | `OAuth` | Yes | Unknown |
 | [Vector Express](http://vector.express) | Free vector file converting API | No | No | Yes |
 | [WakaTime](https://wakatime.com/developers) | Automated time tracking leaderboards for programmers | No | Yes | Unknown |
+| [Zube](https://zube.io/docs/api) | Full stack project management | `OAuth` | Yes | Unknown |
 
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 ### Environment