Keystone vs Plasmic
A side-by-side comparison of two self-hosted content management systems options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Keystone | Plasmic |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 93 · Excellent | 89 · Excellent |
| Category | Content Management Systems | Content Management Systems |
| License | MIT | MIT |
| Language | TypeScript | TypeScript |
| Setup difficulty | Medium | Hard |
| Min. RAM | 512 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | docker, source |
| GitHub stars | ★ 9,977 | ★ 7,040 |
| First released | 2013 | 2021 |
| Replaces | Contentful, Strapi | Webflow, Contentful |
What are Keystone and Plasmic?
Keystone
Keystone is an open-source headless CMS and Node.js framework that lets developers define schemas in code and automatically get a GraphQL API and admin UI. It is well suited to content-driven applications.
- Schema-as-code data modeling
- Auto-generated GraphQL API
- Customizable admin UI
- Flexible field types
Plasmic
Plasmic is a visual page builder and headless content platform that lets teams design pages and components and pull them into code. Its open-source codebase can be self-hosted to manage visual content alongside structured data.
- Visual page builder
- Headless content API
- Code component integration
- Reusable design system
Keystone vs Plasmic: key differences
Both projects are written in TypeScript. Keystone is the lighter option, starting around 512 MB of RAM against 2,048 MB for Plasmic. Keystone is the more established project (first released 2013), while Plasmic arrived in 2021.
Why pick each one
Choose Keystone if…
- Strong TypeScript support
- Flexible and extensible
Watch out for
- Headless only
- Smaller community than Strapi
Choose Plasmic if…
- Released under the MIT license
- First-class Docker support for quick deployment
- Mature project with 7k GitHub stars
- Written in TypeScript
Watch out for
- Self-hosting is involved
- Resource heavy
Frequently asked questions
Is Keystone or Plasmic better?
Keystone is the stronger all-round pick: it has both the larger community and the simpler medium setup. Consider Plasmic if its specific feature set fits your needs better.
Are Keystone and Plasmic free and open-source?
Yes. Keystone is licensed under MIT and Plasmic under MIT. Both can be self-hosted at no software cost.
Can I run Keystone and Plasmic with Docker?
Keystone: yes. Plasmic: yes.
Which is lighter on resources, Keystone or Plasmic?
Keystone has the smaller minimum footprint at 512 MB of RAM, compared to about 2,048 MB for Plasmic. Real-world usage depends on library size, user count, and enabled features.