Figma seems to become the new standard when it comes to design collaboration and working together on design systems in particular.
What InVision does best is delivering simple click-dummys or designs to test and present on different devices with the possibility for everybody who's invited to comment.
A lot of limitations even under paid plans but still a gamechanger especially when it comes to building your own CMS without a single line of code.
Import Sketch or Figma designs, animate them and build a high fidelity interactive prototype and then export it to Xcode.
Gridbox is a lightweight website builder with prebuilt Bootstrap and HTML elements to speed up your workflow.
Bubble is a code-free programming language that lets you build and host web applications without engineers.
Website builder for designers without code but at the same time for developers with code to work together and learn from each other.