Katsushi Kawamori

<h4>Messenger</h4>
<ul>
<li>All logged in users post and display messages.</li>
<li>The default number of items displayed is 100; if more than 100 items are displayed, they are erased in order of oldest to newest. This can be changed with the following filter.</li>
<li>The default user permission is “read”, so all users can use it. This can be changed with the following filter.</li>
<li>The display is updated at 1-second intervals. This can be changed with the following filter.</li>
</ul>
<h4>Notifies</h4>
<ul>
<li>Notify unread messages in a modal window at 60 second intervals. This can be changed with the following filter.</li>
</ul>
<h4>Title</h4>
<ul>
<li>The default title is “All Users Messenger”. This can be changed with the following filter.</li>
</ul>
<h4>How it works</h4>
<span class="embed-youtube" style="text-align:center; display: block;"><iframe class="youtube-player" width="640" height="360" src="https://www.youtube.com/embed/htygEVp6594?version=3&rel=1&showsearch=0&showinfo=1&iv_load_policy=1&fs=1&hl=en-US&autohide=2&wmode=transparent" allowfullscreen="true" style="border:0;" sandbox="allow-scripts allow-same-origin allow-popups allow-presentation"></iframe></span>
<h4>Filter hooks</h4>
<ul>
<li>The number of messages displayed can be customized. The default is 100 messages.</li>
</ul>
<pre><code>/** ==================================================
 * Number of messages displayed filter. Default 100.
 *
 */
add_filter( 'all_users_messenger_messages_max', function(){ return 200; }, 10, 1 );
</code></pre>
<ul>
<li>Usage permission filter. Default is read.</li>
</ul>
<pre><code>/** ==================================================
 * Capability filter for use. Deafult read.
 *
 */
add_filter( 'all_users_messenger_capability', function(){ return 'edit_post'; }, 10, 1 );
</code></pre>
<ul>
<li>The interval between message displays can be customized. The default is 1 second.</li>
</ul>
<pre><code>/** ==================================================
 * Message display interval filter. Default 1 sec.
 *
 */
add_filter( 'all_users_messenger_interval', function(){ return 2; }, 10, 1 );
</code></pre>
<ul>
<li>The unread check interval for displaying unread messages in the modal window in the administration screen. The default is 60 seconds.</li>
</ul>
<pre><code>/** ==================================================
 * Notification unread messages interval seconds filter for modal windows. Default 60 sec.
 *
 */
add_filter( 'all_users_messenger_notify_interval', function(){ return 120; }, 10, 1 );
</code></pre>
<ul>
<li>This is the filter for the menu title. The default is “All Users Messenger”.</li>
</ul>
<pre><code>/** ==================================================
 * Menu tite filter. Default All Users Messenger.
 *
 */
add_filter( 'all_users_messenger_page_title', function(){ return 'Chat'; }, 10, 1 );
add_filter( 'all_users_messenger_menu_title', function(){ return 'Chat'; }, 10, 1 );
</code></pre>
<ul>
<li>This is filter for display modal window. The default is True.</li>
</ul>
<pre><code>/** ==================================================
 * Display to the modal window filter. Default True.
 *
 */
add_filter( 'all_users_messenger_modal_view', function(){ return false; }, 10, 1 );
</code></pre>
<h4>Action hooks</h4>
<ul>
<li>This deletes all messages.</li>
</ul>
<pre><code>/** ==================================================
 * Delete all messages.
 *
 */
do_action( 'all_users_messenger_clear_messages' );
</code></pre>


All Users Messenger

Messages can be sent, received, and shared among all logged-in users.

NickDuncan

<p>HeySpark adds a modern chat, call, and video widget to your site and a conversational inbox inside WP-Admin. Your chat data stays on your WordPress install. No external services, no monthly subscriptions, no accounts to create. Just install, activate, and start chatting.</p>
<h4>Why HeySpark</h4>
<ul>
<li><strong>Self-hosted.</strong> Conversations live in your database, on your server. Nobody else sees them.</li>
<li><strong>No accounts.</strong> Install and go. No signup, no API keys.</li>
<li><strong>Modern UX.</strong> A messenger-style widget your visitors already know how to use.</li>
<li><strong>Fast.</strong> Lightweight, deferred asset loading, no heavy framework dependencies.</li>
<li><strong>Translation-ready.</strong> Full text domain, bundled POT, right-to-left compatible.</li>
</ul>
<h4>Free features</h4>
<ul>
<li>100% free live chat</li>
<li>“Call now” functionality with WebRTC audio calls that are secure and private</li>
<li>Floating chat widget on your site with Shadow DOM isolation (no theme conflicts)</li>
<li>WP-Admin inbox with a conversation view</li>
<li>Real-time chat via long-polling (no external service required)</li>
<li>Online/Away toggle</li>
<li>Offline message form with email notifications when you’re away</li>
<li>Pre-chat form with name + email capture</li>
<li>Optional GDPR consent checkbox with configurable text</li>
<li>Appearance settings: greeting, brand color, launcher position (left/right)</li>
<li>Mobile show/hide toggle</li>
<li>Sound + desktop notifications for new messages</li>
<li>Repeating new-chat sound until you open the conversation</li>
<li>Read receipts (sent / seen ticks), with the exact “seen” time on hover</li>
<li>Auto-close inactive conversations after a chosen time</li>
<li>Live “visitors online” dashboard with activity scores</li>
<li>Optional visitor country lookup in the dashboard, with a country filter (off by default)</li>
<li>Clickable links in the GDPR consent text</li>
<li>Visitor can view previous conversations after a chat is closed</li>
<li>Close conversations from the admin inbox</li>
<li>Translation-ready, bundled POT</li>
<li>Responsive, accessibility-minded design (keyboard navigation, ARIA live regions, focus management)</li>
</ul>
<h4>Pro features (available separately)</h4>
<p>Upgrade to HeySpark Pro for:</p>
<ul>
<li>One-to-one video calls (camera to camera, relayed through your own TURN server)</li>
<li>Agent-initiated chats: proactively message online visitors</li>
<li>Multiple agents: map WP roles to agent capability, route new conversations</li>
<li>Quick responses (canned replies)</li>
<li>Page include/exclude rules</li>
<li>Business hours with timezone support</li>
<li>CSAT ratings after conversations end</li>
<li>Custom branding: your own widget logo and closed chat-bubble icon</li>
<li>“New visitor” alerts (sound and/or desktop notification when someone lands)</li>
<li>“What’s new” announcements shown inside the widget</li>
<li>Custom CSS for the widget</li>
</ul>
<p>Learn more at <a href="https://codecabin.io/store/heyspark-pro" rel="nofollow ugc">codecabin.io/store/heyspark-pro</a>.</p>


HeySpark – Live Chat and Call Now Plugin

Self-hosted live chat plugin for WordPress. Talk to visitors or let them call straight from your admin area, conversations stored on your own site.

All Users Messenger vs HeySpark – Live Chat and Call Now Plugin