Both OhMyForm and Vue Form would make great additions to the current Type-form and Jot-form. In addition to both being open source and self hosted solutions. I’m not sure if Vue-form has it, but definitely saw that OhMyForm has an open API.
Can you please create a separate post for each node so that people can vote on each node independently?
Also, can you tell us what functionality you would require exactly? Just to be sure that if this node gets created it does already what you need it to do.