Companies in the category 'API Management'
These are companies that provide open source tools for publishing, securing, and governing APIs across an organization.
Spec-driven API integration for the AI era
Naftiko is an open-core API integration platform that uses a spec-driven approach to turn API sprawl into a governed capability fleet. Its open-source framework allows integration engineers and platform architects to declare capabilities in YAML and expose them via MCP, REST, or SKILL servers, enabling AI-native integration across SaaS APIs and microservices. The company operates an open-core model with a free Community Edition alongside commercial Standard and Enterprise tiers.
Open-source full lifecycle API management
Tyk is an open-source API management platform that provides a full lifecycle API gateway, developer portal, and analytics. Originally created as a personal open-source project by CEO Martin Buhr, Tyk enables enterprises to design, publish, secure, and monitor APIs at scale. The platform supports REST, GraphQL, gRPC, and other protocols and is available as a self-hosted or cloud-managed solution.
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Fine-grained authorization system.
Permify is a fine-grained authorization system that allows developers to implement scalable and extensible access controls within minutes. It is inspired by Google\'s Zanzibar and helps centralize authorization across applications.
API design and documentation management
Stoplight provides an intuitive interface and thoughtful features to power the complete API design lifecycle, enabling faster development with a design-driven workflow. It helps businesses architect digital connections and create high-quality APIs at any scale.
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Dittofeed is an open-source customer engagement platform that provides omni-channel marketing automation and transactional messaging. It offers embeddable, self-hostable, and infinitely flexible tools for businesses to automate their communication with users.
A cloud-native, platform-agnostic API gateway
Kong Inc. provides an open-source API platform and service connectivity platform that enables developers to manage APIs and microservices across hybrid and multi-cloud environments. The company serves enterprises in various industries, offering solutions for API management, service mesh, Kubernetes ingress, and developer portals.
API platform for mission-critical applications
Grafbase provides self-hosted GraphQL Federation with unmatched query speed and powerful customization options. It is an API platform for mission-critical applications.
Free & open-source API development platform.
Requestly is an all-in-one API development platform that combines API Testing, Mocking, and HTTP Interception for designing, testing, and debugging REST and GraphQL APIs. It is a free, forever, and open-source tool that serves as a lightweight alternative to Postman, trusted by over 200,000 developers.
Backend runtime that unifies APIs, jobs, and tasks
Motia provides a modern backend framework that unifies APIs, background jobs, events, and AI agents into a single cohesive system. Motia aims to address the splintered nature of modern software engineering. Its platform serves developers and enterprises.
API management platform for APIs, events, AI.
Gravitee.io provides an open-source API management platform. It focuses on event-native API management, serving primarily enterprise customers. The platform is built on technologies like Java and Spring Boot.
API testing and development tools
Sparrow is a platform that provides a suite of tools for developers to build, test, and deploy APIs effectively and efficiently. It focuses on streamlining the development process with modern technologies and serves primarily enterprise customers.
Schema-driven development for Kafka and gRPC
Buf provides tools to manage and build with Protocol Buffers, focusing on improving developer experience and productivity. The company's core product is built on technologies like Protocol Buffers and gRPC, and it primarily serves enterprise customers.
API development platform for testing APIs
Hoppscotch is an open-source API development ecosystem that helps developers create, test, save, and share API requests. It aims to streamline the API development process with a user-friendly interface.

