Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.
Adobe XD - Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.
Bigtent - BigTent is a web-based organization and communication portal for groups.
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Nabble - Nabble is a forum software that are embeddable and fully customizable with scripting language.