Open-source tools to run WordPress Multisite as a full WaaS (Website-as-a-Service) platform—plans, provisioning, domains, and billing included.
No licenses. No lock-in. Community-maintained.
How it works
1. Create plan tiers with features and quotas.
2. Publish a signup page—new users provision sites instantly.
3. Let customers connect domains, manage billing, and launch.
Everything you need to sell sites as a service
Automated Provisioning
Users sign up and instantly get a site—no manual steps required.
Plans & Subscriptions
Stripe & PayPal billing, trials, upgrades/downgrades—baked in.
Template Sites
Blueprints clone instantly—deliver curated themes, plugins, and content.
Custom Domains
Let customers use their own domains with automated validation.
White-Label
Replace WordPress branding and deliver a clean, guided tenant UX.
Open Source
No vendor lock-in. Auditable code. Built with and for the community.
Launch your WaaS on WordPress—without lock-in
Install the plugin, create plans, publish signup—go live in hours, not weeks.
Why Multisite Ultimate?
| Feature | Multisite Ultimate | InstaWP WaaS | WaaS Pro |
|---|---|---|---|
| Price | Free / Open-source | Paid SaaS | Paid plugin |
| Runs on your server | Yes | No (hosted) | Yes |
| Billing (Stripe/PayPal) | Built-in | Yes | Yes |
| Templates / Blueprints | Yes | Yes | Yes |
| Custom Domains | Yes | Yes | Yes |
| Lock-in | No | High | Medium |