Excalidraw
Virtual whiteboard for sketches and diagrams.
MITPermissive
SaaS: YesClosed product: Yes
- GitHub stars
- 133k
- Deployment
- Docker, Static
Open-source alternatives to Lucidchart
Lucidchart in the Design & content category. These are the open alternatives we recommend looking at.
Mermaid
Creates diagrams such as flowcharts and sequence diagrams from text descriptions.
MITPermissive
SaaS: YesClosed product: Yes
- GitHub stars
- 90.5k
- Deployment
- Library
draw.io
Diagramming tool for flowcharts, networks and architecture drawings, in the browser or on desktop.
Apache-2.0Permissive
SaaS: YesClosed product: Yes
- GitHub stars
- 8.5k
- Deployment
- Docker
PlantUML
Creates UML and other diagrams from text descriptions.
LGPL-3.0Weak copyleft
SaaS: YesClosed product: Yes, with conditions
- GitHub stars
- 13.4k
- Deployment
- Library
WBO
Simple shared online whiteboard that is easy to deploy yourself.
AGPL-3.0Network copyleft (AGPL)
SaaS: Yes, with conditionsClosed product: No
- GitHub stars
- 2.7k
- Deployment
- Docker
This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.
Sign in for more
- Full licence analysis per use case (self-hosting, modifying, hosted service, AI use)
- Save products to your own lists
- Systemkarta: map the tools you already use (coming soon)
- Personal help and AI advice (coming soon)