Built to connect
APIs, webhooks, and synchronization adapters connect the customer journey and give AI a wider business context.
Technology stack
A modern foundation.
A stack that fits your business.
These are the building blocks we choose for a connected marketing and sales system: a flexible CRM, business phone, scheduling, documents, and an owned data layer. Explore the products behind Growth Control and see where each one fits.
Chosen for a faster start.
Designed to evolve.
Our recommended stack balances modern interfaces, developer-friendly APIs, automation, and control of your data. An open-source core gives us room to customize; specialist services add capabilities where they make sense.
Built to customize
Adapt records, sales stages, rules, interfaces, and workflows around your operation. Self-host suitable components and retain access to your data.
Built around your costs
Evaluate total ownership cost and the features you need. Open-source licenses, hosting, maintenance, commercial editions, provider plans, and usage are different cost items.
Customer operations.
One connected journey.
The everyday tools for inquiries, conversations, meetings, quotes, and signatures.
Twenty CRM
Open-source core · self-hostable
Customer records, opportunities, funnel stages, ownership, and CRM workflows.
Chosen for a modern interface, configurable data model, and integration-friendly core. Commercial features have separate terms.
Visit Twenty CRM ↗Licensing & editions ↗
Quo
Commercial service · business phone
Calls, texts, transcripts, and AI summaries connected to the customer record.
Chosen to bring phone conversations and their next steps into the sales process. Provider plans and supported API access apply.
Visit Quo ↗
Cal DIY
Open source · self-hosted scheduling
Appointment booking and calendar connections for consultations and sales meetings.
An open-source scheduling component under your control. Sales reminders and follow-ups run through CRM or connector workflows. We assess the community edition’s supported features and production requirements for your deployment.
Visit Cal DIY ↗Source & license ↗
Documenso
Open source · self-hostable
Document signing as a connected step after the quote and accepted deal.
Chosen for an open signing platform that can run on your infrastructure and connect to your workflows.
Visit Documenso ↗Data & workflows.
Context your AI can use.
Connected records and analytical data underpin the reports and approved actions. CRM rules handle the sales process; external connectors extend it.
PostgreSQL
Open-source database
Operational records, relationships, and structured business data.
A mature relational foundation for data you control and can query or export.
Supabase is the PostgreSQL-based platform option in our stack. It adds APIs, authentication, and storage around the database, with managed or self-hosted deployment choices.
Visit PostgreSQL ↗PostgreSQL license ↗ClickHouse
Open-source analytical database
The analytical layer for acquisition events, customer journeys, and reporting.
Column-oriented analytics help make connected datasets useful for decisions. Coverage depends on the configured sources.
Visit ClickHouse ↗
n8n
Source-available · self-hostable
External-system connections, event routing, and communication workflows.
Used alongside native CRM automation. Its Sustainable Use License has commercial-use conditions; the chosen deployment follows the applicable terms.
Visit n8n ↗n8n license ↗AI execution.
Business context comes first.
Growth Control connects Hunter, Marco, and Oscar with the customer journey. Model providers support the configured AI work; you choose access, rules, and approval gates.
Growth Control agents
Hunter · Marco · Oscar
Marketing strategy and campaign execution, prospecting and outreach, social analysis and conversations.
The control center and individual agents expose MCP tools for compatible AI clients. Their connected context and permissions define what they can do.
Visit Growth Control agents ↗
OpenAI
Commercial model provider
Model capabilities for configured research, analysis, and content or quote preparation.
Select models for the task and budget. API usage and provider terms remain separate from the implementation.
Visit OpenAI ↗
Anthropic
Commercial model provider
Model capabilities for configured analysis, correspondence, and AI-assisted workflows.
Choose the model layer around your requirements and supported integrations. Provider usage is a separate running cost.
Visit Anthropic ↗Deployment.
Your infrastructure choices.
Deploy suitable components on your own server or use managed hosting. The hosting provider is selected for your workload, budget, and maintenance needs.
Vultr
Hosting provider
A server option for self-hosted application components.
One deployment choice; an existing suitable server or another provider can be used instead.
Visit Vultr ↗
Cloudflare
Commercial platform
Website delivery, edge services, and supported application infrastructure.
Selected services can support the deployment. The exact services and usage are scoped for your setup.
Visit Cloudflare ↗
Supabase
Open-source platform · managed hosting available
The platform layer around PostgreSQL: database services, APIs, authentication, and storage.
Choose managed services or suitable self-hosted components depending on your requirements.
Visit Supabase ↗
GitHub
Development platform
Source repositories and deployment workflows.
Keep the implementation versioned and maintainable, with agreed access and handover.
Visit GitHub ↗Your existing tools
Keep what works.
Connect what’s missing.
Already using a CRM, phone system, scheduler, or another specialist tool? We can adapt the architecture around it, replace selected components, or build with a different stack.
The recommended stack makes development and maintenance more predictable. Your business process determines the final choice.
How we plan your version
- Review your current systems
- Map the tools, data, costs, workflows, and features your team depends on.
- Check the connection
- Confirm APIs, webhooks, exports, provider permissions, and supported operations. Some systems require a custom adapter or a paid integration plan.
- Agree what stays and what changes
- Compare the workflow, migration effort, running costs, and maintenance needs before choosing components.
- Move data and validate the process
- The agreed CRM adapter and migration are included in the project. Preserve relationships and check the transfer before switching.
Explore the software.
See the connected system.
Product links explain the individual tools. Growth Control is the implementation that connects them around your marketing and sales process.
Product capabilities, licenses, and editions checked October 9, 2026. The project scope specifies your selected components, access, and running costs. Connected third-party accounts remain governed by their provider’s terms.