No moat. Still in business.
Software directory for those who don’t want to rebuild, own the updates, the bugs, the support.
- Octopus.do
Plan a website's structure as a visual sitemap with simple wireframes, built from scratch, from a URL or by AI.
Since 2019
Free plan · Website builders · Agencies
- hdoc
Generates searchable API docs from C++ code and Markdown pages, with optional hosting, for C++ teams.
Since 2021
Developer tools · Developers
- Proto.io
Build clickable web and mobile app prototypes in the browser from ready UI components, for designers and product managers.
Design and images · Software companies
- Prototyper
Shared canvas where your team and coding agents build clickable React prototypes, wireframes and slide decks.
Since 2026
Free plan · Design and images · Agencies
- ZipMock
Turns a short prompt into a wireframe or UI design as real HTML for founders, product managers and agencies.
Free plan · Design and images · Agencies
- MockFlow
Online wireframing and whiteboard tool where teams sketch app screens, flowcharts and mind maps together.
Design and images · Agencies
- Whimsical
A shared canvas where product teams sketch flowcharts, wireframes and mind maps, with AI to draft them from a prompt.
Design and images · Software companies
- Axure RP
Desktop app that lets UX designers build clickable prototypes with logic, forms and data without writing code.
Free trial · Design and images · Agencies