Chrome //
Extensions 
Chrome
Web store 
Multi Chat - Messenger for WhatsApp
Open WhatsApp and other popular messengers on desktop easily and get access to all your chats. Telegram Line and others
Charcoal: Dark Mode for Messenger
Unofficial Messenger dark mode. Easily swap between dark and light mode.
Notification Center: Messenger Groups Events
Notification Center provides an overview of alerts for Facebook (TM): Notifications, Messenger, Groups and Events
Social Messenger, Social News
This handy tool allows you to easily open multiple social networks, your Facebook Messenger. Create and Post a Drive share link.
Messenger & Notifier for Facebook™
Provides an easy access to - messenger.com - and notifies you of new posts.
Messenger - How To Use
Learn how to use messenger apps like Snapchat, Facebook Messenger, WhatsApp, Skype, Viber, imo, Kik, Tango, LINE, WeChat.
Hatch Native Messenger
Relays messages to/from the Hatch native printing service for the Evergreen ILS web client.
Genius Messenger CRM
Genius Messenger CRM provides everything needed to optimize and organize a Sales Pipeline directly in Facebook Messenger.
Messenger Bulk Sender - Messager DM Bot
Send mass DM (direct message) to specify users for Facebook Automation.
Custom Messenger Cursor
Custom messenger Cursor for chrome browser. Choose your favorite custom messenger cursor with this extension.
Messenger Organizer
Organize all of your messages in Facebook Messenger into custom folders, just like email!
Telegram Messenger (Pin Tab)
Switch to Telegram Messenger (Pin Tab) with a single click or a Hot Key (Alt+3)!
WA Self Messenger - Free Messages Sender
Send Whatsapp message to a single user or to users in sum without saving number
Telegram Desktop - Telegram Online Messenger
Launching Telegram from your browser in a popup and get notifications when new messages received.
Messenger Black: Scheduled Dark Mode
Scheduled Dark Mode for Facebook Messenger, now including Sunset to Sunrise controls.
Tokonda Messenger
Google Talk, Live Messenger, Jabber, Facebook, Gadu-Gadu, Tlen and video conferences
Snapchat Messenger Review
Snapchat which supplies both taking photos and also capturing video clips with the brand-new various notes enhancement is currentl
Messenger Sneaky Mode - Hide what needs to be
You wanted to avoid everyone looking at your messages including the strongest spies, Messenger Sneaky Mode is for you.
Messenger Unread
Check messenger without the stress. Don't send typing indicators or read receipts. Free & open source, only 30 lines of code.
Telegram and Jabber, XMPP Messenger
It enables you to access Telegram directly from your browser. and provides web based XMPP/Jabber Instant Messaging Client.
Messenger - Theme Selector
A theme selector for Facebook's Messenger (messenger.com) with multiple awesome looking themes!
IRC Inspired Theme for Facebook Messenger
An IRC inspired theme for Facebook Messenger (messenger.com)
Kik Messenger Review
Kik Carrier is a popular-free mobile conversation application which was produced in 2010 by a firm in Canada.