Consulting
Together we assess whether Invoice Ninja is the right solution for your company.
Invoice Ninja
Open-source invoicing and quoting software — a FreshBooks alternative for SMBs and freelancers.
Alternative to
FreshBooks
Official links
Invoice Ninja is an established platform for invoices, quotes, recurring billing, and customer management. Self-hosted, it suits agencies and SMBs that want invoicing under their own control and connected to time tracking like Kimai.
Key features
- 01Invoices and quotes
- 02Recurring invoices
- 03Customer and product management
- 04Online payments (Stripe, PayPal)
- 05PDF export and email delivery
- 06REST API
Benefits
- 01Invoicing without a FreshBooks subscription
- 02Self-hosting for financial and customer data
- 03Connects to time tracking and CRM
- 04Scales with growing agencies
Is Invoice Ninja the right choice?
Not every tool fits every company. We help you decide whether Invoice Ninja is the right choice or whether another open source solution better matches your requirements.
How we support your company
Rollout
We install Invoice Ninja, configure users, roles, and processes, and handle complete data migration.
Hosting
On request, we operate Invoice Ninja with hosting on servers in Germany or within the EU.
Custom extensions
If you need additional features or integrations, we build them directly for your company.
Maintenance & support
We handle updates, monitoring, backups, and long-term operations.
Custom adjustments
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:
- 01Custom modules
- 02Custom dashboards
- 03Integrations with existing systems
- 04Automations
- 05Mobile apps
- 06Customer portals
- 07Internal tools
- 08Custom user interfaces
That turns an existing open source solution into software that fits your company perfectly.
Technical implementation
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.
Infrastructure
- Docker & Docker Compose
- Linux servers
- PostgreSQL
- Redis
- Object storage
Security
- SSL certificates
- Reverse proxy with Caddy
- Firewall configuration
- Security updates
- Access concepts
Operations
- Monitoring
- Backups
- Disaster recovery
- Performance optimization
- High availability when needed
Integration
- REST APIs
- Webhooks
- SMTP
- LDAP / SSO
- n8n
- Custom interfaces
Deployment
Depending on the project, we operate Invoice Ninja for example
- 01On your existing infrastructure
- 02In your cloud
- 03On dedicated servers
- 04In a GDPR-compliant hosting environment in Germany
Operations & maintenance
We handle full technical operations — from setup through ongoing support.
- 01Installation
- 02Updates
- 03Monitoring
- 04Backups
- 05Recovery
- 06Security updates
- 07SSL
- 08Domain setup
- 09User management
- 10Performance
- 11API integrations
Typical technologies
The stack we use to operate and integrate open source solutions reliably.
- Docker
- Docker Compose
- Linux
- Caddy
- PostgreSQL
- Redis
- n8n
- GitHub Actions
- REST APIs
- Webhooks
- SMTP
- OAuth / SSO
- Hetzner Cloud
- Azure
- AWS
Technical information
- License
- Elastic License 2.0
- Deployment
- Docker, Self-hosted, Cloud
- Suitable for
- Freelancers, Agencies, Consultancies, SMBs with invoicing needs
Integrations
FAQ
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Interested in Invoice Ninja?
Whether you want to roll out Invoice Ninja yourself or need an experienced partner for planning, rollout, and operations — we support you at every step.