Forge

Integration with Google Firebase to take advantage of the Notifications API.

If you think what mobile device feature is missing on web, push notifications is probably it.

Implementation of Pushwoosh Web SDK 3.0

Sample application for Pushwoosh Web Notifications.

Send Push Notifications Trough AppCenter (Android)

Taskbox Plus (Download Documentation for Usage) This taskbox mimics the Built in Taskbox and also displays Notifications

Secure Login, password change, two factor authentication and notifications

With CM’s Push & SMS Connector, your OutSystems Application(s) can send out ‘Hybrid’ text messages to your end-users.
Mobile Push notifications if the receiver has installed your mobile app, SMS if the receiver is offline or hasn’t installed your app.

AlertifyJS is a javascript framework for developing pretty browser dialogs and notifications.

Get notifications to slack whenever you deploy between Outsystems environments.

Client Listener for Server-Sent Events (SSE) push streams.
*No third parties are required for Server Push/Messaging*

Want feedback messages?

ToastrJS is a JavaScript library for Gnome / Growl type non-blocking notifications. jQuery is required. The goal is to create a simple core library that can be customized and extended.

http://www.toastrjs.com

Library to send notifications via email.

BLIMP is a monitor tool for both web services and timers, with the objective of spotting possible problems with those as passive as possible, trying to approach with the "set it and forget it" approach, but giving out active notifications in case something is happening.

Pusher traditional web, by LINKIT, is a library that enables real-time communication between server and client, providing instant updates and notifications. With "subscribe" and "bind" functions, developers can quickly add chat, live updates, and notifications to their web apps.