launchpage-rails vs node-prelaunch: What are the differences?

Developers describe launchpage-rails as "Open source alternative to LaunchRock *". Prelaunch MVP landing page (open source alternative to LaunchRock) to get you going quickly so you can focus on your product. Written in Ruby and Rails 4.2 with email collection for two or more user types, social sharing after user signs in, and automailer to new user. On the other hand, *node-prelaunch** is detailed as "A Mailgun powered landing page to capture early sign ups". Deploy this project to gather user interest while you work on building out your product. We've included html email templates for the following email transactions: Confirmation, Verification & Campaign.

launchpage-rails and node-prelaunch can be categorized as "Landing Pages" tools.

launchpage-rails and node-prelaunch are both open source tools. launchpage-rails with 308 GitHub stars and 54 forks on GitHub appears to be more popular than node-prelaunch with 222 GitHub stars and 33 GitHub forks.