Modules

Encrypt

https://www.drupal.org/project/encrypt

Encryption API.

Real AES

https://www.drupal.org/project/real_aes

AES encryption for the Encrypt module.

See instructions on the project page and readme.

For generating a random, base64 encoded string, the instructions say:

CKEditor CodeSnippet

https://www.drupal.org/project/codesnippet

Display code block with syntax highlighting using highlight.js

Views Pager As Block

https://www.drupal.org/project/views_pager_as_block

Expose views pagers as blocks.

Field Formatter Class

https://www.drupal.org/project/field_formatter_class

Add classes to field wrappers.

Element Class Formatter

https://www.drupal.org/project/element_class_formatter

Add classes to field value elements.

Views Tree

https://www.drupal.org/project/views_tree

Create hierarchical displays in views.

Documentation: https://www.drupal.org/node/1493366

HTTP Client Manager

https://www.drupal.org/project/http_client_manager

Configure guzzle clients via yaml.

APITools

https://www.drupal.org/project/apitools

Create plugins for API integrations.

Preprocessor Plugins

https://www.drupal.org/project/preprocessors

Implement preprocess functions as plugins.