Check Off is a task management app that runs in your menu bar. Tasks can be placed within folders, and have labels attached to each task.
DropSnippets
Add all your notes and snippets, and have them handy as you work, with this code snippet & note manager. It also has syntax highlighting for over 120 languages, as well as code completion, and code suggestions.
FiveNotes
Up to five Markdown-formatted notes right from the menubar icon. Forget about keeping hundreds of notes that you cannot find. FiveNotes supports headers, bold and italicized text, lists, and quotes.
Gestimer
Jot
Jot is that random piece of notes paper that lives in your menu bar. It’s a place for short lived storage for notes, ideas and things-to-tweet. There’s nothing to configure, it saves as you type.