Actually don't search rails/django here, but compose them by yourself
Managed lifecycle of stateful objects
Libraries for project build automation and package/dependency management.
Code utilities for interacting with VCS software
Libraries for working with dates and times.
Libraries for working with HTTP.
Databases and database client libraries
Database connection pools
Keeps database and others in sync
DSL for SQL generation.
Authentication, authorization and other security related libraries.
Libraries for developing RESTful APIs.
Libraries for working with HTML.
Libraries for validating data.
Optional type system for Clojure
Libraries, extended REPLs, and other tools for scientific and statistical data anylysis and visualization.
*Libraries for improved code reflection and object introspection
Utilities and libraries for (non-LP) code and project documentation