A robust comparison
Systems are assessed on feature scope, licence and extensibility.
Guide
Open-source business software: when it is the better choice.
ERPNext, Odoo, Twenty and others: a comparison framework for open-source ERP and CRM systems – licensing, extensibility, operations, total cost and typical usage scenarios.
Premotion · ViennaStrategy, content, design and technology from one accountable teamSince 2003
Licence-free does not mean free of cost – but often more independent and a better fit.
Open-source systems shift costs from licences to implementation, customisation and operations. In return, the business owns its data, code and roadmap. This guide compares leading systems along the questions that actually decide: data model, extensibility, community and operational effort.
The result
What concretely improves.
Realistic total cost
Implementation, customisation, hosting and maintenance are part of the calculation.
The right architecture
Self-hosting, cloud and integration capability match your own system landscape.
In this guideA clear framework.
A clear framework.
Concrete decisions.
Every building block has a defined job and feeds into the shared goal.
Clarify the starting position
We analyse feature scope, licences, APIs, hosting options, customisability and long-term running costs in the context of your business model, audiences, processes and existing systems.
Define priorities
A clear target picture for Open-Source ERP & CRM separates the decisions you need now from later expansion stages.
Deliver in stages
Visible interim results, clear responsibilities and short feedback loops keep the project steerable.
Improve impact
Measurement, user feedback and operational experience feed into ongoing development.
Orientation
From first sketch to a solid system.
Transparent decisions and visible interim results keep the implementation under control.
Set the context
The guide creates a shared understanding of terms, dependencies and decisions.
Assess
Concrete questions and criteria help you evaluate your own starting position honestly.
Prioritise
The next steps are ordered by benefit, risk and effort.
Act
Practical guidance turns knowledge into an actionable plan.
Working basis
Results that keep being used.
Decisions, access and documentation stay transparent and available inside your company.
Typical results
- Decision criteria
- Assessment questions
- Priority list
- Typical risks
- Next steps
- Discussion basis for your team
FAQ
Frequently asked questions.
Who is Open-Source ERP & CRM relevant for?
ERPNext, Odoo, Twenty and others: a comparison framework for open-source ERP and CRM systems – licensing, extensibility, operations, total cost and typical usage scenarios.
How does the collaboration start?
In an initial consultation, we clarify the goal, starting position, urgency and existing systems. We then recommend a concrete next step with a scope that is easy to follow.
Can Premotion handle both strategy and implementation?
Yes. Strategy, content, UX, design, development, integrations and operations can be planned and delivered by one team. The exact scope depends on the strongest lever.
Ready?
Want to apply this topic to your company?
In 30 minutes we clarify goal, starting point and the strongest lever – concrete, honest and with no obligation.
Discuss your project