The best replacement for spring security is jaas.

The best alternatives to spring security are rated as following:

★★★★★	jaas
★★★★	shiro
★★★★	acegi
★★★	apache shiro
★★	esapi
★	oauth
★	owasp
	openam

Your alternative for spring security is not listed? Suggest!

Speaking about spring security, one probably shouldn't forget about spring mvc.

Other search terms related to spring security and their ratings are:

★★★★★	spring mvc
★★★★	jersey
★★★	saml
★★★	spring 4
★★★	jersey rest
★★	cas
★	sso
★	vaadin

You have in mind a companion for spring security and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of spring security in all years. Click on graph for more.

spring security

jaas

shiro