Hao Nguyen

Init Chat Engine is a clean and minimal frontend chatbox plugin, designed for homepage or site-wide communication with comprehensive administrative controls.
This plugin is the core user system behind the <a href="https://en.inithtml.com/init-plugin-suite-minimalist-powerful-and-free-wordpress-plugins/" rel="nofollow ugc">Init Plugin Suite</a> – optimized for frontend-first interaction, extensibility, and real-time gamification.
GitHub repository: <a href="https://github.com/brokensmile2103/init-chat-engine" rel="nofollow ugc">https://github.com/brokensmile2103/init-chat-engine</a>
Key Features:
Frontend Experience: 
– Built with 100% REST API and Vanilla JS 
– No jQuery, no bloat – blazing fast 
– Fully embeddable via <code>[init_chatbox]</code> shortcode 
– Guest messaging support (optional) 
– Smart polling system (adaptive 3.5–10s based on activity) 
– Browser notifications when new messages arrive 
– Scroll-up to load history, scroll-down to auto-scroll 
– Optimistic sending & “new message” jump button 
– Clean UI with customizable themes 
– Template override supported (<code>chatbox.php</code>)
Administrative Control: 
– Complete Settings Panel – Basic, Security, and Advanced configurations 
– Message Management – Search, view, delete messages with pagination 
– User Moderation – Ban/unban users by IP or user ID with expiration 
– Rate Limiting – Prevent spam with configurable message limits 
– Word Filtering – Block messages containing prohibited words 
– Statistics Dashboard – View chat activity, user engagement, and trends 
– Cleanup Tools – Automatic and manual cleanup of old messages 
– Custom CSS Support – Full styling customization options
Security & Moderation: 
– IP-based and user-based banning system 
– Configurable rate limiting (messages per minute) 
– Word filtering with custom blocked word lists 
– Message moderation queue (optional) 
– Automatic cleanup of old messages and expired bans 
– Admin override capabilities
Multilingual Ready: 
– Translation-ready with full <code>.pot</code> file included 
– Vietnamese translation included 
– Easy to translate to any language
Perfect for community-based sites, forums, fanpages, manga readers, SaaS dashboards, customer support, or any interactive chat widget.
<h3>Shortcode Attributes</h3>
Shortcode <code>[init_chatbox]</code> supports the following attributes:
<ul>
<li><code>height</code> – Set chat height (e.g., <code>height="400px"</code>)</li>
<li><code>width</code> – Set chat width (e.g., <code>width="100%"</code>)</li>
<li><code>theme</code> – Apply custom theme (e.g., <code>theme="dark"</code>)</li>
<li><code>show_avatars</code> – Override avatar setting (<code>true</code>/<code>false</code>)</li>
<li><code>show_timestamps</code> – Override timestamp setting (<code>true</code>/<code>false</code>)</li>
<li><code>title</code> – Add custom chat title</li>
<li><code>class</code> – Add custom CSS classes</li>
<li><code>id</code> – Set custom container ID</li>
</ul>
Example: <code>[init_chatbox height="500px" title="Community Chat" theme="modern"]</code>
<h3>Filters for Developers</h3>
This plugin provides filters and actions to allow developers to extend word filtering, message processing, and chat behavior without modifying core files.
<code>init_plugin_suite_chat_engine_word_filter_strategy</code> 
Modify word filtering strategy (<code>substring</code>, <code>word</code>, <code>regex</code>). 
Applies to: Message validation 
Params: <code>string $strategy</code>, <code>array $settings</code>, <code>string $message</code>
<code>init_plugin_suite_chat_engine_blocked_words</code> 
Modify the blocked-words list before validation. 
Applies to: Message validation 
Params: <code>array $blocked_words</code>, <code>array $settings</code>, <code>string $message</code>
<code>init_plugin_suite_chat_engine_bypass_filter</code> 
Bypass filtering under custom conditions (VIP, internal users, etc.). 
Applies to: Message validation 
Params: <code>bool $bypass</code>, <code>string $message</code>, <code>WP_User|null $user</code>, <code>array $settings</code>
<code>init_plugin_suite_chat_engine_word_block_hit</code> (action) 
Triggered when a word filter rule blocks a message. 
Applies to: Message validation 
Params: <code>string $blocked_word</code>, <code>string $message</code>, <code>string $strategy</code>
<code>init_plugin_suite_chat_engine_enrich_message_row</code> 
Extend chat message data (add flags, metadata, user info, etc.). 
Applies to: Backend DB → JSON output 
Params: <code>array $message_row</code>, <code>WP_User|null $user</code>
<h3>License</h3>
This plugin is licensed under the GPLv2 or later. 
You are free to use, modify, and distribute it under the same license.

Init Chat Engine – Real-Time, Community, Extensible

A lightweight, real-time community chat system built with REST API and Vanilla JS. No jQuery, no reload. Full admin panel with moderation tools.

Tan Nguyen

PrixChat

Just one click install and you will have a truly real-time chat app. No third-party services, no complicated setup.
<a href="https://prixchat.com" rel="nofollow ugc">Home Page</a> | <a href="https://github.com/PrixChat/wordpress/" rel="nofollow ugc">GitHub Project</a>
<h3>Key Features</h3>
<h4>⚡ Truly Realtime with SSE</h4>
Unlike other plugins which make AJAX requests periodically which consumes a lot of server’s resources or use WebSocket which requires a complicated setup and pricey, PrixChat core was built upon SSE which cost less resource than long-polling requests, and no need WS server setup.
<h4>🪪 You Own Your Data</h4>
Because no third party service required, all data stay at your own server. You truly own it! No risk, for free.
<h4>🏢 Modern, Practical Design.</h4>
PrixChat frontend was built with React.js with the simple “boring” design that you have seen in other chat apps. No surprise, no need time to learn, just fast and responsive experience.
<h4>♾️ Unlimited Private and Group Chat.</h4>
Create unlimited private user to user or group chat. Manage it easily.
<h4>🔃 Online status, Typing Indicator, Seen.</h4>
We support all major presence features that a chat system needs to level up user’s experience.
<h4>💞 Reply, Reactions, Emoji support.</h4>
Emoji, peply a message and reaction to a message are included, for free.
<h4>🔢 New Message Badges</h4>
Don’t miss any new messages, the new messages badges help people keep in touch with others.

PrixChat – Realtime Private & Group Chat Plugin

Just one click install and you will have a truly real-time chat app. No third-party services, no complicated setup.

Init Chat Engine – Real-Time, Community, Extensible vs PrixChat – Realtime Private & Group Chat Plugin