mifos x is open source application.
I need to develop 5 custom feature in mifos x
Mifos x technologies is mentioned here
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Technology
Java 7: [login to view URL]
JAX-RS 1.0: using Jersey (1.17.x)
JSON using Google GSON
Spring I/O Platform: [login to view URL]
Spring Framework
Spring Security
Spring Data (JPA) backed by Hibernate
MySQL: [login to view URL]