Karaf vs Spring vs NodeJS

	A	B	C	D	E
1		Apache Karaf	Spring	NodeJS	Notes
2	License	Apache	Apache	MIT
3	VM	Java	Java	Javascript
4	Exists since	2010	?	?
5	Backed by an independent foundation	x		x
6	Has a "boot" project	x	x	x
7	Supports modules	x	x	x	Karaf: dynamic modules, Spring : static, NodeJS : dynamic
8	Classloaders to isolate modules & dependencies	x
9	Module hotdeployment	x
10	Run in docker container	x	x	x
11	Has a built-in webserver	x	x	x
12	Has a built-in SSH shell	x
13	Can expose runtime metrics	x	x
14	Is an Apache project	x
15	Is built on published standards	x
16	Cluster support	x	x	?
17	App provisioning	x		x	NodeJS : provisioning through NPM, Karaf: through features, Cave, OBR, etc...
18	OSGi support	x
19	Annotation-based injection	x	x	?	Spring: specific, Karaf: OSGi DS annotations or custom
20	Micro services development	x	x	x
21	Has an initializer web tool	(could change ;))	x (spring initializr)		https://start.spring.io/
22	Annotations support for assembly/packaging	x (via karaf-boot)	x
23	Dynamic configuration	x
24	Support both immutable and mutable distribution	x	(only immutable)
25	Hot deploy code modifications	x		x
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