squidex
Squidex is an open-source headless CMS built on ASP.NET Core that separates content management from presentation. It provides a rich REST API with OData filtering and supports multiple databases (MongoDB, PostgreSQL, MySQL, SQL Server), allowing you to build custom frontends for web, mobile, or server applications.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | Squidex/squidex |
| Owner | Squidex |
| Primary language | C# |
| License | MIT — OSI-approved |
| Stars | 2.5k |
| Forks | 519 |
| Open issues | 6 |
| Latest release | 7.23.0 (2026-04-16) |
| Last updated | 2026-06-16 |
| Source | https://github.com/Squidex/squidex |
What squidex is
Written in C# with ASP.NET Core and CQRS architecture, Squidex exposes content via RESTful APIs with OData query support and Swagger documentation. It runs on .NET 8, supports Windows and Linux, and offers Docker, Kubernetes, and cloud platform deployments with pluggable asset storage (Azure, FTP, GridFS) and rule-based webhooks.
Get the squidex source
Clone the repository and explore it locally.
git clone https://github.com/Squidex/squidex.gitcd squidex# follow the project's README for install & configurationNeed it deployed, integrated, or customized instead? DEV.co ships production installs.
Best use cases
Implementation considerations
- Requires .NET 8 SDK and a supported database (MongoDB, PostgreSQL, MySQL, or SQL Server); plan infrastructure accordingly.
- Headless architecture necessitates building or integrating a separate editorial UI and frontend(s)—budget time for custom development.
- CQRS pattern and event-driven architecture require familiarity with eventual consistency and event sourcing patterns.
- Asset storage is pluggable (Azure, FTP, GridFS); choose and configure storage strategy before production deployment.
- Webhook and rule system supports integrations, but no pre-built connectors documented—custom adapters may be needed.
When to avoid it — and what to weigh
- Non-technical users require out-of-box editorial UI — Squidex is headless; it requires custom frontend development. Teams expecting a ready-made admin interface similar to WordPress should evaluate traditional CMSs.
- Your stack is primarily PHP or Node.js — Squidex is .NET Core only. If your team lacks C# expertise and deployment infrastructure, operational overhead and learning curve may outweigh benefits.
- You need guaranteed commercial support or SLAs — Project is community-driven with one primary founder listed. Commercial support availability and response times are not documented; requires direct inquiry.
- Complex legacy content migration needed — No evidence of built-in migration tools for existing CMS platforms; schema mapping and data transformation would require custom development.
License & commercial use
MIT License—permissive, allows commercial use, modification, and distribution with attribution. No restrictions on proprietary software or closed-source derivatives.
MIT License permits commercial use without restriction. However, no commercial support, warranty, or SLA is stated. Operators must manage deployment, maintenance, and support independently or negotiate directly with the project maintainers.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Active |
| Documentation | Adequate |
| License clarity | Clear |
| Deployment complexity | Moderate |
| DEV.co fit | Good |
| Assessment confidence | High |
Authentication mechanism not detailed in provided data; security posture requires independent review. API is exposed via REST—implement strong authentication, rate limiting, and encryption in transit/at rest per your threat model. RBAC and multi-tenancy features exist but must be audited for production use. No security advisory or disclosure process documented.
Alternatives to consider
Strapi (Node.js/TypeScript)
JavaScript-based headless CMS with PostgreSQL/MySQL/SQLite support, larger community, and more third-party integrations. Better fit if your team favors Node.js or requires broader plugin ecosystem.
Contentful (SaaS)
Managed headless CMS with strong API, built-in webhooks, and enterprise support. Trade-off: vendor lock-in and per-API-call pricing. Eliminate self-hosting operational burden.
Directus (Node.js/Vue.js)
Open-source headless CMS with PostgreSQL/MySQL/SQLite, built-in admin UI, and REST/GraphQL APIs. If you prefer Node.js or want a lower learning curve than Squidex's CQRS architecture.
Build on squidex with DEV.co software developers
Squidex offers a flexible, API-first headless CMS for teams ready to build custom frontends. Assess security, operational complexity, and team C# expertise before committing. Contact Devco to architect a pilot deployment or compare alternatives.
Talk to DEV.coRelated open-source tools
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squidex FAQ
Can I use Squidex in production?
Do I need to learn C# to operate Squidex?
What databases does Squidex support?
Is Squidex suitable for a small team or startup?
Software developers & web developers for hire
DEV.co helps companies turn open-source tools like squidex into production software. Our software development services cover the full lifecycle — architecture, web development, integration, and maintenance — delivered by software developers and web developers who ship. Engage our software development agency to implement or customize it for your open-source cms stack.
Evaluate Squidex for Your Content Management Needs
Squidex offers a flexible, API-first headless CMS for teams ready to build custom frontends. Assess security, operational complexity, and team C# expertise before committing. Contact Devco to architect a pilot deployment or compare alternatives.