Open-source alternatives guide · Updated 2026

Best open-source alternatives to Squarespace

Compare the best free and open-source alternatives to Squarespace — 7 verified projects with explicit catalog relationships. Inspect licenses, GitHub activity, self-hosting signals, and migration fit before you switch.

7verified alternatives
1self-hosted signals
4categories

Only explicit alternative relationships are shown—never inferred competitor claims.

Overview

This guide compares 7 verified open-source alternatives to Squarespace, including Ghost, Onlook, [WordPress](/projects/wordpress), and Builder.

Projects appear across Infrastructure, AI & Machine Learning, and Content & Collaboration. 1 option includes a self-hosting signal — see the self-hosted catalog. Ranking follows public GitHub stars and recorded momentum—not vendor marketing. Compare projects side by side, then confirm license fit, migration effort, and operational ownership before adopting any option.

Strongest repository-activity signal: Ghost · Jump to ranking · 54.5K stars

About Squarespace

Proprietary product with documented open-source alternatives cataloged on OpenSourceChoice. Compare licenses, repository activity, and self-hosting options befo

Ranked open-source alternatives to Squarespace

Compare capabilities, licensing, and ownership model. Stars help with discovery; they are not a security or product-fit guarantee.

Ghost

Open-source alternative to Squarespace

United KingdomInfrastructureMIT

Independent technology for modern publishing, memberships, subscriptions and newsletters.

Independent technology for modern publishing, memberships, subscriptions and newsletters. Review the official repository, license, release activity, and deployment documentation be

Best for: Infrastructure teams
Deployment: Inspectable source
License: MIT
Activity: Updated 3 hours ago

Key capabilities

javascript

nodejs cms blogging

Onlook

Open-source alternative to Squarespace

AI & Machine LearningApache-2.0AI-native

The Cursor for Designers • An Open-Source AI-First Design tool • Visually build, style, and edit your React App with AI

The Cursor for Designers • An Open-Source AI-First Design tool • Visually build, style, and edit your React App with AI Review the official repository, license, release activity, a

Best for: AI product teams
Deployment: Inspectable source
License: Apache-2.0
Activity: Updated 8 days ago

Key capabilities

typescript

hacktoberfest

react

WordPress

Open-source alternative to Squarespace

United StatesContent & CollaborationLicense not declared

WordPress, Git-ified. This repository is just a mirror of the WordPress subversion repository. Please do not send pull requests. Submit pull requests to https://github.com/WordPress/wordpress-develop and patches to https

WordPress, Git-ified. This repository is just a mirror of the WordPress subversion repository. Please do not send pull requests. Submit pull requests to https://github.com/WordPres

Best for: Knowledge teams
Deployment: Inspectable source
License: License not declared
Activity: Updated 29 hours ago

Key capabilities

PHP

JavaScript

NodeJS

Builder

Open-source alternative to Squarespace

Content & CollaborationMIT

Visual Development for React, Vue, Svelte, Qwik, and more

Visual Development for React, Vue, Svelte, Qwik, and more Review the official repository, license, release activity, and deployment documentation before production adoption.

Best for: Knowledge teams
Deployment: Inspectable source
License: MIT
Activity: Updated 39 hours ago

Key capabilities

react

vue cms headless

WebStudio

Open-source alternative to Squarespace

InfrastructureAGPL-3.0

Open source website builder and Webflow alternative. Webstudio is an advanced visual builder that connects to any headless CMS, supports all CSS properties, and can be hosted anywhere, including with us.

Open source website builder and Webflow alternative. Webstudio is an advanced visual builder that connects to any headless CMS, supports all CSS properties, and can be hosted anywh

Best for: Infrastructure teams
Deployment: Inspectable source
License: AGPL-3.0
Activity: Updated 29 hours ago

Key capabilities

open-source

react design Alternative

Webiny

Open-source alternative to Squarespace

AI & Machine LearningLicense not declaredSelf-hostedAI-native

Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development via MCP server. Built for developers at l

Open-source, self-hosted CMS platform on AWS serverless (Lambda, DynamoDB, S3). TypeScript framework with multi-tenancy, lifecycle hooks, GraphQL API, and AI-assisted development v

Best for: AI product teams
Deployment: Self-hostable
License: License not declared
Activity: Updated 26 hours ago

Key capabilities

Ycode

Open-source alternative to Squarespace

Data & AnalyticsMIT

Ycode is an open source visual website builder and CMS.

Ycode is an open source visual website builder and CMS. Review the official repository, license, release activity, and deployment documentation before production adoption.

Best for: Data teams
Deployment: Inspectable source
License: MIT
Activity: Updated Jul 15, 2026

Key capabilities

TypeScript

JavaScript

NodeJS

How to choose a Squarespace alternative

Map must-have capabilitiesList the workflows in Squarespace you cannot drop during migration.

Verify the licenseConfirm it fits your use, distribution, and compliance model. Browse license briefs.

Run a proof of conceptTest real data, integrations, clients, and failure modes. Use Compare for side-by-side checks.

Plan ownershipAssess upgrades, backups, support, and an exit path. Read when self-hosting is worth it.

Frequently asked questions about Squarespace alternatives

What are the best open-source alternatives to Squarespace?

OpenSourceChoice currently lists 7 projects with an explicit alternative relationship to Squarespace. Catalog highlights include Ghost, Onlook, and [WordPress](/projects/wordpress). Rankings follow public GitHub stars and recorded momentum—not paid placement. Match capabilities and license fit to your workflow before adopting any option.

Are open-source alternatives to Squarespace free?

Most catalogued alternatives publish source under OSI or source-available licenses and are free to inspect. Hosting, commercial support, or cloud model APIs may still cost money. Always read the project license for your use case.

Can I self-host an alternative to Squarespace?

1 option in this list carry a self-hosting signal. Confirm the official install guide, backups, upgrades, and hardening steps before production.

How should I evaluate Squarespace alternatives?

Map must-have Squarespace workflows, verify license and compliance fit, run a proof of concept with real data and integrations, then plan ownership for upgrades, backups, support, and an exit path.