Thanks to the increasing popularity of Babylon, it has a growing community of helpful developers. It's easy to find help on their [forum](http://www.html5gamedevs.com/forum/16-babylonjs/).
Ranked in these QuestionsQuestion Ranking
Pro Small (but helpful) community
Thanks to the increasing popularity of Babylon, it has a growing community of helpful developers. It's easy to find help on their forum.
Pro A good amount of easy to understand resources to learn from
Babylon provides a playground where you can explore examples and play with the code.
The official documentation offers a wide variety of well-written tutorials on topics from beginner to advanced.
Additionally, there are many tutorials written by the community available that you can find by doing a google search.
Pro Great base shader material
Pro Actively developed
Babylon has great project health, with activity on Github daily for bug fixes and new features.
Pro 3D physics engine
Famous offers a 3D engine through via WebGL. This engine is very similar to those found in videogame engines.
Pro Amazing performance
Famous makes it possible to create animations through DOM and WebGL that are up to 60FPS. In other words, the Famous engine is able to create native animations inside the web browser.
Pro Open Source
Famous is a free and open source project released under the MIT License.
Pro SEO friendly
Since Famous renders on DOM (as well as WebGL) it's SEO friendly, because web crawlers can read everything that's rendered on the DOM.
Con Young project
Babylon is quite young compared to many of it's competitors (released in 2013). The community is still somewhat small, however growing quickly.
Con Still evolving
Con Dead project
Famous has been abandoned and will not get updates or bug fixes anymore.