
Description: LetsHostTalk is an open-source self-hosted web conferencing software for audio, video, screen sharing, and messaging. It can handle up to 500 participants and is customized for webinars, online classes, meetings, and events.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Elasticsearch is a popular open-source search and analytics engine built on Apache Lucene. It provides a distributed, multitenant capable full-text search engine with an HTTP web interface and schema-free JSON documents.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API