Best open-source alternatives to Canva

Penpot is an open-source design and prototyping platform aimed at teams building digital products. It is positioned as a tool for designers and developers who want a shared, code-friendly workflow, with designs expressed in formats such as SVG, CSS, HTML, and JSON. The README emphasizes ownership of design infrastructure, self-hosting, and compliance-friendly deployment. The project supports real-time collaboration, design tokens, components, variants, inspect mode, plugins, and integrations through webhooks and an API. It is presented as deployment-agnostic, usable either as a SaaS offering or on self-hosted infrastructure, making it suitable for organizations that need scalable design systems and tightly integrated product development workflows.

miniPaint is a browser-based image editor aimed at users who want a lightweight, install-free alternative for creating and editing images. It runs directly in the browser and emphasizes local editing with no server-side transfer, making it suitable for quick edits, browser-native workflows, and users who prefer not to install desktop software. The project includes a broad set of editing tools covering file import/export, layer-based composition, image adjustments, filters, and painting utilities. It also supports embedding in other websites and provides build instructions and a wiki for contributors or self-hosters who want to work with the codebase or integrate the app into their own pages.