Modules

Drupal.org username field

Provides a field for Drupal.org usernames, and a service to access profile data via the public API.

Configure external API endpoints as Drupal entities. On entity save, fetch data from the api and cache results in the field.

Migrate into an existing entity's fields.

Render a table of contents via jQuery plugin.

Specify selectors for content headers, and the element to search within.

Pin items to an image.

Default text plugin, but you can create custom ones for advanced features.

Use entity tokens to map field values to index fields.

I used this module to format a date field as a year to use as the index value.

Configure default entity values from available tokens like the url path or query arg.

[current-page:query:topic]

/node/add/class?topic=12

Hide non essential content form fields like publishing options and author.

Ajaxifies an entity form. Combine with Simplify, Entity Prepopulate, and Form Block for some flexible ways to add content.

Edit fields in views.