Add Sequel Ace (#1030)

README.md

@@ -447,6 +447,7 @@ Any comments, suggestions? [Let us know!](https://github.com/jaywcjlove/awesome-
 * [RedisClient](https://github.com/UUGU/redis-client-app) - Redis client application on mac, windows and linux. [![Open-Source Software][OSS Icon] ![Freeware][Freeware Icon]](https://github.com/UUGU/redis-client-app)
 * [RedisDesktopManager](http://redisdesktop.com) - Cross-platform GUI management tool for Redis. [![Open-Source Software][OSS Icon]](https://github.com/uglide/RedisDesktopManager) ![Freeware][Freeware Icon]
 * [Sequel Pro](http://www.sequelpro.com/) - MySQL database management for Mac OS X. [![Open-Source Software][OSS Icon]](https://github.com/sequelpro/sequelpro) ![Freeware][Freeware Icon]
+*  [Sequel Ace](https://github.com/Sequel-Ace/Sequel-Ace) - The maintained "sequel" to the longtime macOS tool Sequel Pro. [![Open-Source Software][oss icon]](https://github.com/Sequel-Ace/Sequel-Ace)
 * [SQLight](https://aurvan.com/sqlight/) - SQLite database manager tool. ![Freeware][Freeware Icon]
 * [SQLPro Studio](http://www.sqlprostudio.com/) - Simple, powerful database manager for macOS.
 * [Tableau Public](https://public.tableau.com/s/) - Free data-visualization software. ![Freeware][Freeware Icon]