joiner:A simple utility for SQL-like joins with Json, GeoJson or dbf data in Node, the browser and on the command line. Also creates join reports so you can know how successful a given join was. Try it in the browser -->
ClipboardTextJoiner:Monitoring system clipboard change and joining multi-line text. It's very useful when copying multi-line text from PDF files.
KeyChamp:Extension for joining free case battle on key-drop automatically