AutoRABIT

Managed packages are the recommended ways for ISVs on Force.com platform to distribute and sell their applications. With Managed package , there is lot more power to ISVs wherein :

a. They can shield their Intellectual property [ source code ] since managed packaged is like an installer without direct access to any metadata components of the application.

b. The Patch facility for minor upgrades is available for managed packages.

c. With LMA [ License Management Application ] , provided by salesforce , the package owner can control the trial licenses and have dashboard of which users are on which version.

d. Using TrialForce , you can also distribute your app to customers who don’t have Salesforce CRM for provisioning free trials and deploy applications from your own website.