CatLight - Shows build status in your tray
CCTray - Display continuous integration status from most build servers.
Jenkins - Jenkins is an open-source continuous integration server with 300+ plugins to support all kinds of software development
Tempomat - Continuous monitor integration monitor for macOS, sits right on the menu bar.
PopTray - PopTray freeware e-mail checker written by Renier Crause.
Notion Diary - A simple application that bootstraps your notion pages to a blog site.