Open Source Gliffy Alternatives
The best open source alternative to Gliffy is diagrams.net, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to Gliffy and 11 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Gliffy are Pencil Project (Free, Open Source), Dia (Free, Open Source), PlantUML (Free, Open Source) and Penpot (Free, Open Source).
- diagrams.net (previously draw.io) is a free online diagram drawing application for workflow, BPM, org charts, UML, ER, network diagrams. View 109 alternatives to diagrams.net
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Chrome OS
- Self-Hosted
diagrams.net vs Gliffy
it simple works very well.its free, its online, it saves the diagram as xml, it supports many export formats (pdf, png, etc), its easy to useMuch of the same features and can open gliffy filesFairly easy to get going using this tool for some simple diagrams I wanted to do. - Pencil is a standalone app or Firefox extension* that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features. View 78 alternatives to Pencil Project
- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com
- Dia is a GTK+ based diagram creation program for Linux, Unix, Mac OS X and Windows released under the GPL license. View 92 alternatives to Dia
- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com
- FreeBSD
- Xfce
- DragonFly BSD
- NetBSD
- OpenBSD
- Open-source, Java-based UML diagram maker using plain text descriptions to draw models. View 108 alternatives to PlantUML
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- Chrome OS
- Penpot is the first Open Source design and prototyping platform meant for cross-domain teams. View 90 alternatives to Penpot
- Wireflow is free, online, open source, real-time collaborative tool for creating beautiful user flow prototypes. View 112 alternatives to Wireflow
- Free • Open Source
- Online
- Self-Hosted
- Diagramo is an online flowchart software- diagrams (create, edit and share)- organization charts (create, edit and share)- network diagrams (create, edit and share)-... View 75 alternatives to Diagramo
- PathVisio is a free open-source pathway analysis and drawing software that allows drawing, editing and analysing biological pathways. View 77 alternatives to PathVisio
- A free and open source modelling tool to create ArchiMate models and sketches. Used by thousands of Enterprise Architects throughout the world. View 9 alternatives to Archi
- A multi-platform data driven 2D diagram editor. View 42 alternatives to Core2D