Visual Editor or WindowBuilder Pro
News Update june 1st, 2011: Visual Editor Project was archived (here the announcement and the archived project page) You will find an update of the news on page And the winner is: WindowBuilder Would you like having a free visual editor for designing your UI in Eclipse RCP technology with Helios (3.6) or Galileo (3.5)? Since yesterday, September 16th 2010, you do not have one choice, but two! You can opt for Eclipse Visual Editor or for WindowBuilder Pro! Visual Editor? But it had some problems when installed on Eclipse Helios (at least after the M4 version), isn't it so? [...]