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Flexible, data-driven CRM platform designed for startups and relationship-focused workflows
Discover top open-source software, updated regularly with real-world adoption signals.

Open-source low-code platform for CRM and business apps
Build CRM, business process apps, and intelligent workflows fast. Connect any data source with a flexible, API-centric low-code platform built on modern technologies.

Corteza is a low-code platform that empowers organizations to rapidly build and iterate CRM systems, business process applications, and structured data solutions. Designed for teams that need speed without sacrificing control, Corteza combines visual development tools with powerful automation capabilities and extensive integration options.
Built on modern technologies including Go, Vue.js, and TypeScript, Corteza offers an API-centric design that integrates seamlessly with external services and other Corteza instances. The platform provides flattened RBAC security for complex internal policies, extensive privacy features for regulatory compliance (including WCAG 2.1 accessibility), and a flexible data storage layer that connects to virtually any data source.
From translations and terminology to prebuilt applications and entirely new low-code solutions, Corteza adapts to your workflow. Create intelligent business process workflows, configure automation scripts, and leverage REST APIs to extend functionality. Maintained by Planet Crust, the platform delivers the flexibility and control of open source with enterprise-grade capabilities for organizations that refuse to compromise on freedom or performance.
When teams consider Corteza, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Custom CRM Implementation
Build tailored customer relationship management systems that match exact business processes while maintaining full data control and integration with existing tools.
Regulatory Compliance Workflows
Create business process applications with granular RBAC security and privacy features to meet GDPR, HIPAA, or regional data protection requirements.
Multi-Source Data Integration
Connect disparate data sources through API-centric architecture and automation scripts to create unified dashboards and intelligent workflows.
Rapid Business App Prototyping
Iterate quickly on structured data applications using low-code tools, then extend with custom code as requirements evolve without platform constraints.
Corteza can be self-hosted using the DevOps guide, or accessed through Planet Crust's hosted cloud instances for easier setup. The platform is built with Docker and supports various infrastructure configurations.
Corteza provides a flattened RBAC (Role-Based Access Control) facility that allows organizations to implement complex internal security policies with granular permissions across applications and data.
Yes, Corteza's API-centric design and flexible data storage layer enable integration with external services, other Corteza instances, and virtually any data source through REST APIs and automation facilities.
Basic business users can build apps with the low-code interface, while developers can leverage Go, JavaScript, TypeScript, and Vue.js for advanced customization, workflows, and automation scripts.
Yes, Corteza conforms to WCAG 2.1 accessibility guidelines, making applications built on the platform usable for a wider audience and helping organizations meet accessibility requirements.
Project at a glance
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