Simivar

Adds a sidebar widget to display Twitter updates (using the Javascript). You can set number of messages, color and other features.
You can change colors of shell background and shell text; tweet background, tweet text and tweet link. You can set on/off a features like scrollbar, show hashtags, poll for new results, show timestamps/avatars and the behavior.

Advanced Twitter Profile Widget

Adds a sidebar widget to display Twitter updates (using the Javascript). You can set number of messages, color and other features.

Andrico

A wonderful plugin to easily create many custom sidebars. These sidebars can then select in the creation of a post / page / custom post type / category / taxonomy. We give an order, and select several at once. 
You will see all active sidebars instead of seeing just one.
VISIT https://wordpress.org/plugins/advanced-widgets/
Español:
Un maravilloso plugin para poder crear fácilmente muchos sidebars. Estos sidebars luego los podremos seleccionar en la creacián de un post / page / custom post type / category / taxonomy. Podremos darle un orden, y seleccionar varios a la vez. 
Se verán todos los sidebars activos.
VISITAR https://wordpress.org/plugins/advanced-widgets/

Multiple Sidebars

A wonderful plugin to easily create many custom sidebars. These sidebars can then select in the creation of a post / page / custom post type / categor …

Advanced Twitter Profile Widget vs Multiple Sidebars