Apps similar to LibreOffice - Draw include Inkscape, which is free and open source. Other options are draw.io, Excalidraw, Dia and yEd Graph Editor. There's no shortage of Diagram Editors like LibreOffice - Draw, with more than 100 alternatives for Windows, Mac, the web, Linux and iPad.
TikZiT is a super simple GUI editor for graphs and string diagrams. Its native file format is a subset of PGF/TikZ, which means TikZiT files can be included directly in papers typeset using LaTeX.
United States
DrillFlow is a local-first diagram editor for organizing complex information through hierarchical depth. Unlike flat canvases, every node can hold its own sub-diagram — so you drill down into a step, understand it, and come back up, with breadcrumbs and a subflow tree instead of...
Osketch is a vector graphic design tool. It's lightweight, easy to use, and powerful. Osketch has many modern features. In Osketch, you can use any graphic as a mask, fill a shape with multiple modes, layout texts on a path...
PathVisio is a free open-source pathway analysis and drawing software that allows drawing, editing and analysing biological pathways.
Netherlands
EU
Shapes is a simple, elegant diagramming app for OS X. Shapes gives you all of the most important features you need in a diagramming tool without all the extra cruft, and without breaking the bank!.
United States
No matter weather you are experienced computer users or a novice - with MindFusion InSight Diagrammer all the features you'd ever need to create, style, save and load a flowchart are at your fingertips.
BulgariaEU
Generate diagrams from text faster than ever and facilitate stakeholders involvement via animation and online collaboration.
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
Professional business process modelling on Microsoft platforms. Instantly turn your Visio files into structured corporate model. Enterprise Explorer instantly reveals all corporate business objects and metadata behind your regular office files.
United States
Isoflow.io is a diagramming toolkit designed to clearly communicate your network architecture. It's great for producing visuals to support onboarding sessions, presentations and documentation.
United Kingdom
Lets you easily draw a diagram - mind map, concept map, or flow chart - and convert it to a text outline, and vice versa.
SimpleDiagrams is a desktop application that helps you make sketches, diagrams, information graphics and other kinds of visualizations.
Australia
