ContentTools - A small & beautiful WYSIWYG editor for HTML content.
CKEditor - Real-time collaborative future-ready rich text editor
Summernote - Summernote is a JavaScript library that helps users create WYSIWYG editors online.
Trumbowyg - Feature-packed WYSIWYG editor in only 15kB of JavaScript
TinyMCE - TinyMCE is a content editor that functions as a plug-in for Wordpress websites.
TestRail - TestRail provides comprehensive test case management for software testing. Organize your testing, boost productivity, get real-time insights, and track progress toward milestones. Integrates with leading issue tracking and test automation tools.