Than been said, I think both projects walk different paths in order to achieve similar goals.
What is different with other approaches?
* Isolation is one of the most important things for us. Each of the stages of your application are deployed into independent Cloudformation stacks.
* We don't stream commands to the AWS api. Every single of your resources are created using CF.
* We respect the tooling of each of the runtimes so javascript, java or python developers should not get exposed to software they are not use to.
* Convention over configuration. Perhaps this is because my background is the Python/Django ecosystem, but writing 200 lines configuration files in JSON feels completely wrong to me.
* Documentation documentation documentation: Again, perhaps I've been badly educated by the Django community, but documentation and examples are (for me) the most important thing a project like this should have. That's why gordon's documentation is quite complete (I would say) and we have more than 20 example project including integrations with Slack, Telegram, Twilio... and AWS services such as Kinesis, Dynamodb, Apigateway, S3, Cloudwatch Events, Cloudwatch Scheduled Events, etc...
I think is an amazing moment to be involved in the server-less community and we'll all benefit from a thriving ecosystem like this :D