Consulting
Together we assess whether Cal.com is the right solution for your company.
Open-source scheduling for teams — a Calendly alternative with full branding control.
Alternative to
Cal.com is an open-source scheduling platform for individuals and teams. It offers bookable event types, calendar sync, team routing, and embeds — self-hosted or hosted. Ideal for sales, consulting, and customer appointments.
Not every tool fits every company. We help you decide whether Cal.com is the right choice or whether another open source solution better matches your requirements.
Together we assess whether Cal.com is the right solution for your company.
We install Cal.com, configure users, roles, and processes, and handle complete data migration.
On request, we operate Cal.com with hosting on servers in Germany or within the EU.
If you need additional features or integrations, we build them directly for your company.
We handle updates, monitoring, backups, and long-term operations.
Open source software offers a decisive advantage over many classic cloud solutions.
Because the source code is publicly available, features can be extended, integrations built, and processes tailored to your company.
When needed, we develop:
That turns an existing open source solution into software that fits your company perfectly.
We take care of the complete technical infrastructure.
Introducing an open source solution does not end with installation. On request, we handle full technical operations and integrate the software securely into your existing IT landscape.
Depending on the project, we operate Cal.com for example
We handle full technical operations — from setup through ongoing support.
The stack we use to operate and integrate open source solutions reliably.

CRM
Modern open-source CRM with a flexible data model — an alternative to classic cloud CRM platforms.
Instead of
Support
Open-source customer support platform for live chat, email, and messaging channels.
Instead of
Automation
Workflow automation with a visual editor — an open-source alternative to Zapier and Make.
Instead of
Powered by Twenty, Plane, Kimai, Chatwoot, and n8n
The complete open-source stack for agencies: CRM, projects, time tracking, support, scheduling, and automation — self-hosted and managed.
View solution →Powered by Twenty, Chatwoot, Cal.com, n8n, and Formbricks
CRM, customer support, scheduling, surveys, and automation — for sales teams looking to replace cloud software with open source.
View solution →Twenty CRM · Chatwoot · Cal.com · Formbricks · n8n
Whether you want to roll out Cal.com yourself or need an experienced partner for planning, rollout, and operations — we support you at every step.