What are the top 3 Launchpoint Apps You Can't Live Without?

[Anonymous]

As the title suggests: What are the top 3 Launchpoint Apps you can't live without? Why? 

[Alok_Ramsisaria]

If you are using Wordpress for your site, or even the blog, then you really should have this Marketo Wordpress Plugin for real-time personalization.
Apart from this, Unbounce and GainSight are really good and must have for every marketer.