OmniGraffle is described as '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' and is a very popular Diagram Editor in the office & productivity category. There are more than 100 alternatives to OmniGraffle for a variety of platforms, including Web-based, Windows, Mac, Linux and iPad apps. The best OmniGraffle alternative is draw.io, which is both free and Open Source. Other great apps like OmniGraffle are Penpot, Excalidraw, LibreOffice - Draw and yEd Graph Editor.
Thortspace builds a 3D space-map of your thoughts. The 3-D linkages generated by Thortspace spheres facilitated both new insights and new lines of data management, and – almost magically. Thortspace is an invaluable aid to brainstorming prediction.
United Kingdom
SwordSoft Layout is an desktop application that makes it very easy for you to create, preview, and manage mockups of your website, mobile application or desktop application. With so many UI elements to choose from, you can design anything.
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.
Austria
EU
Merge Plan is a user friendly diagram application. It is fully compatible with most diagram file formats. It is a great value in comparison to other diagram applications. It is part of Merge Soft Office.
Mind mapping app with markdown support and online collaboration for building your knowledge.
United States
VSDX Annotator is an app to View, Edit and Convert Visio drawings to PDF on Mac. It provides 12 annotation tools to make changes in VSD, VDX and VSDX files.
Ukraine
Use simple text to quickly create and share diagrams with your team. Improve your documentation, planning and everyday communication with powerful tools for automatic diagram generation.
United States
Neoclipse is a standalone workbench application to interact with Neo4j (database directory or server). It supports Cypher, index searches, visualisation, graph updates.
Diagramming, documents, presentations for teams and individuals in one single AI enabled tool that takes reuse of figures and drawings easy.
DenmarkEU
Local-first desktop tool for creating and editing design sketches using .wiremagic files, supporting flowcharts, Balsamiq BMPR import, fast wireframe generation, full control on macOS and Windows, built-in AI help, export options, and browser-based sharing.
United States
