
Description: Notifo is a free service that allows you to send notifications to multiple channels like email, SMS, Jabber/XMPP, webhooks, or push notifications through its API. It is often used for alerting or monitoring services.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: push4site.com is a push notification service for websites. It allows web developers to easily add push notifications to their website to re-engage users and drive traffic back to the site.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API