My current SASS apps that I have built and actively maintaining;
Dead Simple Screen Sharing
Dead Simple Screen Sharing is a screen-sharing and audio/video calling application that allows you to share your screen right from your browser without requiring to install any additional software.
It is free, with paid plans. visit https://deadsimplescreensharing.com
Dead Simple Chat
Dead Simple Chat allows you to group embed chat to your website so that your website visitors can chat and engage with each other.
It is free, with paid plans. visit https://deadsimplechat.com