Free Fishbone Diagram
Ishikawa cause-and-effect diagram editor — categorise root causes across People / Process / Tech / Environment.
A free, browser-based tool from our library of 54+ free Ed Tools — built for our own classrooms and shared with Singapore trainers and educators.
About Fishbone Diagram
Ishikawa cause-and-effect diagram editor — categorise root causes across People / Process / Tech / Environment.
Key features
- Customisable cause categories
- Drag-and-drop bones and sub-causes
- Export PNG / SVG / PDF
Built with
Who uses Fishbone Diagram?
Singapore training providers, WSQ ATOs, corporate L&D teams, and educational institutes use Fishbone Diagram inside our AI-LMS-TMS and e-learning deployments. Whether you need a single tool integrated into your existing classroom workflow or the full 54-tool suite, we scope, deploy, and train your organisation end-to-end.
Fishbone Diagram — frequently asked questions
Is Fishbone Diagram free to use?
Yes. Fishbone Diagram is completely free and runs in your browser — there is no signup, licence fee, or trial limit. Tertiary Infotech Academy built it for our own problem-solving sessions and made it openly available to trainers and educators.
Do I need to install anything to use Fishbone Diagram?
No. Fishbone Diagram is a browser-based tool — just open the live demo on any modern device. Learners can usually join from a single link with no accounts required.
Can I use Fishbone Diagram inside my own LMS or training programme?
Yes. We can brand, integrate, and deploy Fishbone Diagram — or the full suite of 54+ Ed Tools — inside your own Learning / Training Management System with WSQ/TPQA-compliant workflows. Enquire using the form and a consultant will reply within one business day.
Is the source code for Fishbone Diagram available?
Yes. Fishbone Diagram is open-source — you can view the code on GitHub at github.com/alfredang/fishbone.
Want Fishbone Diagram branded inside your own LMS?
The tool is free to use as-is. To bundle, brand, or custom-build it into your training platform, tell us what you need — we reply within one business day.
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Bring Fishbone Diagram and 54+ Ed Tools into your own LMS / TMS
WSQ/TPQA-compliant workflows, SSG API integration, Singapore data residency, and your learner data migrated — scoped at a fixed fee with a typical four-week go-live.