The world’s most powerful screen design tool. Rapid prototyping, animation, built-in design systems, and collaboration—all in one place.




Open Pencil is described as 'Open-source editor for vector and interface designs with AI-powered creation, Figma file support, real-time peer-to-peer collaboration, code export, and advanced programmability' and is a UI Design tool in the photos & graphics category. There are more than 50 alternatives to Open Pencil for a variety of platforms, including Web-based, Mac, Windows, Linux and SaaS apps. The best Open Pencil alternative is Penpot, which is both free and Open Source. Other great apps like Open Pencil are Figma, Pencil Project, Sketch and Lunacy.
The world’s most powerful screen design tool. Rapid prototyping, animation, built-in design systems, and collaboration—all in one place.




loud-based ADONIS:CE brings you just that, and helps build your digital twin. ADONIS:Community Edition will help you create BPMN diagrams, build your business architecture, and perform business process optimization.

MagicDraw is an award-winning business process, architecture, software and system modeling tool with teamwork support. MagicDraw UML can do comprehensive UML diagramming, reverse and forward engineering for Java and C++.






IYOPRO, Improve your Processes, is a professional online BPM and workflow system that utilizes the BPMN 2.0 standard.

Vecta is a cloud-based collaborative diagramming tool that boosts productivity and increase effectiveness for team communication.


UI Bakery is a fast visual internal tools builder with 50+ ready-made UI components (Tables, Charts, Forms, Maps, Buttons, etc.). It allows you to connect your database (PostgreSQL, MongoDB, MySQL), integrate third-party APIs (Stripe, HubSpot, Salesforce, Slack), deploy your...

JitBlox is an online visual environment for designing and prototyping component-based web applications without writing a single line of code. Seamlessly use popular UI libraries such as Bootstrap and Tailwind CSS, see your app come to life thanks to the real-time preview, and...




Helix is a free AI-powered prototyping tool that turns ideas into interactive prototypes in just 3 minutes—no coding or design skills needed.




Prott is a free rapid prototyping and radical collaboration tool. Share your ideas and get feedback through easy-to-make interactive prototypes with Prott.



Rapid app prototyping with a user-generated library of components. No design skills needed.



