
Description: Webhook Relay is a cloud-based webhook service that allows you to easily configure, test, and manage webhooks for your applications and integrations. It provides features like customizable URLs, request logging, response mocking, and security controls.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Yaler is an open-source alternative to MailChimp for email marketing campaigns. It provides easy-to-use templates, automation tools, and analytics to help small businesses design, send, and track marketing emails.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API