Which options do I have to monetize desktop application like TweetDeck

Hello all I build desktop application that is integration between Twitter / facebook/ picasa / (can be others ) on speed (build with c++ with much more options). It is build first for my use . but then people liked it and started to use it . Its still in very early beta . before I publish to it to the public . which options do I have to monetize it. So it can generate income. Thanks