Hinaloe

This plugin allow your site’s comment form makes ajax — non move/reload when user (including both subscriber, normal viewer, and admins too) post comment!
Most themes supports this plugin, but if your theme’s <code>class_form</code> have not <code>comment-form</code>, this plugin non supported.
And this plugin only can use for Pure WordPress Comment form. 
so, its not able to be used with like Jetpack comment form and other original/outside comment system/form.
Feature
<ul>
<li>post comment with ajax</li>
<li>Lite — this plugin only using a little of jQuery feature to modify DOM, and very tiny js & PHP code.</li>
</ul>
Require
You have to install <a href="https://wordpress.org/plugins/rest-api/" rel="ugc">WP REST API v2</a> to use this plugin if your site is running on WP 4.4-4.6.

ajax Post Comment

Post comment form on frontend tobe ajax using WP REST API Version.2

Andrew MAGIK

This plugin will add separate WordPress REST API (v2) endpoint, with all available terms (all used categories, tags and custom taxonomies). 
It is very useful when you need to create some filters into your app, with lists of all available terms.
For example what can you get, using <code>wp-json/wp/v2/all-terms</code> request (where categories and tags – standart taxonomies, and technologies – custom created taxonomy):
<pre><code>{
 categories: [
 {
 term_id: 9,
 name: "Downloads",
 slug: "downloads",
 term_group: 0,
 term_taxonomy_id: 9,
 taxonomy: "category",
 description: "",
 parent: 0,
 count: 1,
 filter: "raw"
 },
 term_id: 1,
 name: "Uncategorized",
 slug: "uncategorized",
 term_group: 0,
 term_taxonomy_id: 1,
 taxonomy: "category",
 description: "",
 parent: 0,
 count: 4,
 filter: "raw"
 },
 {
 term_id: 3,
 name: "Wordpress",
 slug: "wordpress",
 term_group: 0,
 term_taxonomy_id: 3,
 taxonomy: "category",
 description: "",
 parent: 0,
 count: 2,
 filter: "raw"
 }
 ],
 tags: [
 {
 term_id: 16,
 name: "First tag",
 slug: "first-tag",
 term_group: 0,
 term_taxonomy_id: 16,
 taxonomy: "post_tag",
 description: "",
 parent: 0,
 count: 1,
 filter: "raw"
 },
 {
 term_id: 17,
 name: "Second tag",
 slug: "second-tag",
 term_group: 0,
 term_taxonomy_id: 17,
 taxonomy: "post_tag",
 description: "",
 parent: 0,
 count: 1,
 filter: "raw"
 }
 ],
 technologies: [
 {
 term_id: 15,
 name: "jQuery",
 slug: "jquery",
 term_group: 0,
 term_taxonomy_id: 15,
 taxonomy: "technologies",
 description: "",
 parent: 0,
 count: 1,
 filter: "raw"
 },
 {
 term_id: 14,
 name: "Wordpress",
 slug: "wordpress",
 term_group: 0,
 term_taxonomy_id: 14,
 taxonomy: "technologies",
 description: "",
 parent: 0,
 count: 1,
 filter: "raw"
 }
 ]
}
</code></pre>
Check my other useful rest-api plugins: <a href="https://wordpress.org/plugins/tags/andrew-magik-rest-api" rel="ugc">https://wordpress.org/plugins/tags/andrew-magik-rest-api</a>.

WP REST API – All Terms

Very useful for creating tag cloud, or filters



This plugin include all existing terms into separate WordPress REST API (v2) endpoint.

ajax Post Comment vs WP REST API – All Terms