Suite · vs Substack · Circle · Ghost · Typeform

The extras that don't belong in a suite, until you need them.

Newsletters, memberships, forms and KB, installable on any OS.

Newsletters, memberships, forms and KB, installable on any OS.

Why operators switch

Composable. AI-native. White-labelled to the core.

Publish content

Multi-author CMS with newsletter.

Gate value

Memberships and creator hub.

Ship a form fast

Drag/drop with logic and webhooks.

Speed: configured in weeks

Signed order to tenant configured in four weeks, branded, trained and revenue-ready.

Intelligence on day one

Brain, Action Centre and forecasts shipped by default, not a Phase 2.

Efficiency, baked in

One stack, one data model, retire 4–8 vendors and the integration tax with them.

Savings of ~40% TCO

Operators typically cut SaaS + ops cost by ~40% in year one vs the named incumbent.

Suite modules

What ships with Add-ons OS

Ready modules deploy from our portfolio in days. Studio build modules are delivered fixed-price by our Customisation pod.

Ready to deploy (5)

addons

Publishing / News

Multi-author CMS with newsletter.

addons

Membership & Creator Hub

Gated content, subscriptions and community.

addons

Marketing CMS Site

Brochure site builder with campaigns.

addons

Forms & Surveys Builder

Drag-drop forms with logic, scoring and webhooks.

addons

Knowledge Base / Help Centre

Self-serve docs with AI search and feedback loops.

How we ship

Configured in ~24 weeks. White-labelled. Trained.

  1. 1

    Day 1 – Week 2

    Discovery & tailored version

    90-minute discovery call on the off-the-shelf system, customisation areas mapped, tailored version presented within two weeks.

  2. 2

    Week 2

    Configure & brand

    Tenant, RBAC, white-label theming, comms templates and core integrations.

  3. 3

    Week 3

    Migrate & train

    Data migration via the Unified Data Engine, SSO, role-based training and a full dry-run.

  4. 4

    Day 28

    Go live & iterate

    Phased cutover, hypercare, weekly numbers pack and quarterly business reviews.

Always included

SYSFLEX Core + Brain baseline

  • Identity & RBAC , Multi-tenant auth, roles, SSO, audit trail.
  • White-label Theming , Logos, colours, custom domain, branded comms.
  • Notifications , Email, SMS, push and in-app messaging.
  • Documents & E-Sign , Templated docs, contracts and legal e-signature.
  • Audit Log & Data Retention , Immutable activity history with retention rules.
  • Public API & Webhooks , Versioned REST API and outbound webhooks.
  • Universal Booking Engine , Slots, resources, availability, calendar sync.
  • Integrations Hub , Connector marketplace with OAuth and secret management.
  • Custom Domains & SSL , Per-tenant domains with auto-provisioned certificates.
  • Tenant Provisioning , Self-serve signup, plan selection and workspace bootstrap.
  • Observability & SRE , Logs, traces, error capture and SLO dashboards.
  • Custom CRM , Companies, contacts, sites, deals, pipelines.
  • SYSFLEX Brain (AI Ops) , Anomaly detection, forecasts and next-best-action across every module.
  • Action Centre , AI-prioritised single inbox of work across the business.
  • Automations Engine , Visual workflow builder with triggers across modules.
  • Live Dashboards , Drag/drop KPIs, embeddable, exportable.
  • Weekly Numbers Pack , Auto-generated executive briefing every Monday.

Who it's for

Publishers, communities, agencies, comparison sites, help/knowledge teams.

Integrations

Substack importMailchimpGhost exportZapierGoogle Search Console

FAQ

Common questions about Add-ons OS

Migrate a newsletter?

Yes, Substack/Ghost import.

Paywall?

Full metered + hard paywall.

Search on KB?

AI search with feedback loops.

White label?

Every add-on inherits your tenant theme.

Next step

Ship Add-ons OS in your colours, on your domain, in 24–36 weeks.

Send us your rollout brief. We'll come back within one working day to size the stack, walk the demo and quote the launch.

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