Ganesh Veer

Get remote posts list 
This wordpress plugin to Get Recent Posts from Remote Wp site using Rest api 
This plugin create a widget “Get Posts from Api” after installation. 
You need to add widget to your sidebar where you want to display the remote sites recent posts list. 
This widget accepts two parameter, Json URL and post limit(number of posts to display). 
Json url should look like http://yoursite.com/wp-json/wp/v2/posts/ 
You can limit the number of posts you want to retrive from remote site by setting post limit.

Get remote posts list

Hi Ganesh, 
Good work! Its really though easy to fetch remote content such as posts. FYI - 
The REST API is included in WordPress 4.7! Just install the latest version of WordPress and you're ready to go. 

So your plugins have zero dependancies.
https://v2.wp-api.org/

Thanks,
-Mohan

Well, simple and useful

Using this plugin you can Get Recent Posts from Remote Wp site using Rest api.

Silkalns

WP Chill

Cristian Raiber

A very useful plugin for everyone using WordPress. Adds reCaptcha security to the WordPress login form, register form and comment form. This plugin could help your blog get rid of a lot of spam comments or brute-force attacks.
Nothing gets passed it if the reCaptcha doesn’t validate.
A few notes about the plugin:
<ul>
<li>Supports audio or image captcha types</li>
<li>Can generate the reCaptcha image / audio type in a number of predefined languages</li>
<li>Adds reCaptcha protection to the WordPress login form</li>
<li>Adds reCaptcha protection to the WordPress register form</li>
<li>Adds reCaptcha protection to the WordPress comment form</li>
<li>Adds reCaptcha protection to the WordPress recover password form</li>
</ul>

Uber reCaptcha

This plugin adds the reCaptcha form to the WordPress login form, recover password form, register form and comment form.

Get remote posts list vs Uber reCaptcha