nomoat / SimpleDiagrams / Alternatives
Alternatives to SimpleDiagrams
SimpleDiagrams: Mac app for drawing quick sketch-style flowcharts, architecture sketches and process diagrams, bought once with no subscription. Here are 4 other products that do a similar job. Of these, 4 have a free plan.
- Bhava
Turns a text prompt, sketch or screenshot into an editable diagram such as a flowchart or system architecture map.
Since 2025
Free plan · Design and images · Developers
- Beauty Diagram
Paste Mermaid, PlantUML or draw.io source and get a cleaner laid-out diagram to export as SVG or PNG.
Since 2026
Free plan · Design and images · Developers
- Chalk
A quick Mac sketch pad for drawing diagrams and marking up screenshots, then copying them out as PNG.
Since 2026
Free · Design and images · Individuals and families
- Datadef
Generates editable architecture, ER and cloud diagrams from a description, SQL, Prisma, Terraform or a code repo.
Since 2025
Free plan · Design and images · Developers