Modules for Backdrop CMS

It gives the user the ability to create custom tokens using standard input filters.
If the php filter is enabled, you can use php code to access token arguments (i.e. the $data array).

This Views filter provides the between date functionality you are looking for:
display all nodes(comparing start and end dates) occurring on a specified date.

Backdrop cms module to show podcast players from Enacast podcast service.

This module exposes new field types to show last podcast for a given
program or a given podcast in a node. It also creates a new block for actual
streaming of a given radio station.

TFA Rules is a Backdrop module that provides integration with the Rules module to
add a condition to check to see if TFA has been enabled for a user.

The purpose of this module is to avoid the situation where two people
are editing a single node at the same time. This module implements a
pessimistic locking strategy, which means that content will be
exclusively locked whenever a user starts editing it.

Enforce Revision Logs allows an administrator to force users to write a
revision log message whenever a revision is created. It can also force a
revision to be created for every modification.

This module allows a user to more easily enter fixed width input where you
would like them to enter the data in a certain format (dates, phone numbers,
etc).

This module is an API that other modules can use to encrypt data. It
doesn't provide any user-facing features of its own, aside from
administration pages to manage encryption profiles.