Tim Alternatives

Necessary Criteria

	Node / Hapi	Node / Express	Java or Groovy / Spring MVC	Elixir / Phoenix	Ruby / Rails
Websockets	Simplistic	Simplistic	Simple	Simple	Very New / Complicated
JSON API	Simplistic	Simplistic	Difficult	Simple	Simple
AMQP	Simplistic	Simplistic	Sophisticated	Simple	Possible
REST	Simple	Simple	Simple	Simple	Simple
RDBMS Support	Simplistic or Not Widely Used	Simplistic or Not Widely Used	Sophisticated	Simple	Mostly Simple
Testability	Difficult	Reasonable	Simple	Simple	Simple
Documentation	Poor	Good	Good	Good	Good
Usage	Small	Large	Large	Medium	Large
Libraries	Tons / Very Tiny / Supplement Lack of Standard Library / Fragmentation / Comprehensive	Tons / Very Tiny / Supplement Lack of Standard Library / Fragmentation / Comprehensive	Lots / Mostly Infrastructure / Sharing Uncommon Compared to Other Languages	Many / Some in Erlang	Lots / Very Comprehensive
Package Management	Good	Good	Great	Great	Great

	Node / Hapi	Node / Express	Java or Groovy / Spring MVC	Elixir / Phoenix	Ruby / Rails
Readability	Medium / Explicit	Medium / Explicit	Medium / Explicit & Implicit	Simple / Explicit	Simple / Implicit
Encourage Good Practices	Low	Low	Medium	High	Medium-High
Flexibility	High	High	Medium	High	High
Reliability	If You Build It	If You Build It	High	High	Medium
Recoverability	If You Build It	If You Build It	Medium-High	High / Core Principle of Erlang	Medium
Speed	Fast	Fast	Fast	Fast	Usually Fast Enough
Memory	Efficient	Efficient	Heavy	Efficient	Heavy
Scalability	Process Model / High	Process Model / High	Thread Model / High	Erlang Process Model / High	Process Model / Medium
Distributability	Medium	Medium	High	High	Lots / Very Comprehensive
Language Helps Find Implementation Errors	Poor	Poor	Great	Good	Poor