When comparing Pingendo vs Grapedrop, the Slant community recommends Pingendo for most people. In the question“What are the best Bootstrap editors?” Pingendo is ranked 1st while Grapedrop is ranked 4th. The most important reason people chose Pingendo is:
It works Mac OSX Yosemite. Windows and Linux 32bit and 64bit are both supported.
Ranked in these QuestionsQuestion Ranking
Pros

Pro Supports Mac, Linux, Windows
It works Mac OSX Yosemite. Windows and Linux 32bit and 64bit are both supported.
Pro Most user-friendly visual editor
Pro Bootstrap components and others
You can mix Bootstrap components with other blocks
Pro Free API
You can use the API to build/update sites.
Pro Responsive by design
Don't need to worry about mobile, because all components are mobile-friendly by design.
Pro Free custom domain
You can build and publish the site instantly to your domain totally for free.
Cons
Con Not free!
Free version is time limited. Quote: (From the second month, you'll have 5 days Free every month. Need more? Go Premium!)
Con Bootstrap only
Does not do anything else it seems. Cost nothing maybe, but time is money. You may not want to spend time learning a tool that'll only do Bootstrap. Unless perhaps if you plan on doing JUST Bootstrap.
Con Non-existent support
Alternative Products
