Penpot vs Principle

Penpot is an open-source design platform for teams working across design and development. It runs in a browser and includes SVG vector editing, custom font management, Flex Layout, CSS Grid Layout and interactive prototyping. Design systems can use components, native design tokens and shared libraries; developers can inspect code using standards such as CSS, HTML, SVG and JSON, as well as Penpot's open file format. The service is available in the cloud or can be self-hosted on private cloud, on-premises or in air-gapped environments, with Docker and Kubernetes listed as deployment options. Security information includes SAML SSO, role-based access control, AES-256 encryption at rest, TLS 1.2+ in transit and GDPR compliance with a DPA. Self-hosted deployments are described as SOC2/HIPAA capable, and Penpot can be deployed in FedRAMP environments. Professional is free; Unlimited costs $7 editor/month, Enterprise $25 member/month, and Private Server $50k year. There is no desktop app.

Principle has no write-up on Specifiction yet; its figures are above.