The best replacement for widget is app.

The best alternatives to widget are rated as following:
★★★★★  app
★★★★★  application
★★★★★  gadget
★★★  plugin
★★  portlet
★★  shortcut
★★  icon
★  iframe
★  applet
★  plugin wordpress
★  dialog qt
  plugin jquery
  google gadget
  apps
  uccw
  sidebar
  app droid
  badge
  an app

Your alternative for widget is not listed? Suggest!
Speaking about widget, one probably shouldn't forget about images wordpress.

Other search terms related to widget and their ratings are:
★★★★★ images wordpress
★★★ widget
You have in mind a companion for widget and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of widget in all years. Click on graph for more.
widget
app
application