DroidDia is described as 'Diagram painting at glance' and is an app in the Office & Productivity category. There are more than 10 alternatives to DroidDia for a variety of platforms, including Windows, Mac, Online / Web-based, iPad and Android. The best alternative is Dia, which is both free and Open Source. Other great apps like DroidDia are Microsoft Office Visio (Paid), Lucidchart (Freemium), Penpot (Free, Open Source) and OmniGraffle (Paid).
Microsoft Office Visio makes it easy for IT and business professionals to visualize, explore, and communicate complex information. Go from complicated text and tables that are hard to understand to Visio diagrams that communicate information at a glance.
Lucidchart is a visual workspace that combines diagramming, collaboration, and data visualization to accelerate understanding and drive innovation. With this intuitive, cloud-based solution, everyone can work visually and collaborate in real time.
Penpot is the first Open Source design and prototyping platform meant for cross-domain teams. Non dependent on operating systems, Penpot is web based and works with open web standards (SVG). For all and empowered by the community.
OmniGraffle can help you make eye-popping graphic documents—quickly—by providing powerful styling tools, keeping lines connected to shapes even when they’re moved, and magically organizing diagrams with just one click.
MyDraw is an easy to use, yet powerful diagramming software that lets you create a large number of diagrams like flowcharts, organizational charts, mind maps, network diagrams, floor plans, family trees, business model diagrams, and many more.
Clickcharts flowchart software allows for easy drawing of diagrams and flowcharts to provide a way of organising and displaying data. Lay out your ideas, organisation and processes or create UML, Venn or mind map diagrams with this flow diagram maker.
PathVisio is a free open-source pathway analysis and drawing software that allows drawing, editing and analysing biological pathways. It provides a basic set of features for pathway drawing, analysis and visualization. Additional features as plugins.