OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
- rest-api
- rest-client
- sdk
- generator
Repository Index
47,133 repositories indexed
1–24 of 43 · Most stars
All-in-one IoT Platform - Device management, data collection, processing and visualization.
- visualization
- iot
- iot-platform
- mqtt
A barebones WebSocket client and server implementation written in 100% Java.
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
Test Automation Made Simple
- test-automation
- assertions
- testing-tools
- mock-server
A tool for mocking HTTP services
- wiremock
- json
- mocking
- stubbing
Tiny, easily embeddable HTTP server in Java.
Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
- mock-server
- proxy
- java-client
- javascript-client
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
Simple, high-performance event-driven HTTP client+server for Clojure
- clojure
- async
- websockets
- http-server
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
An extensible Java library for HTTP request and response logging
- java
- http-logs
- spring-boot-starter
- plugin-extension
💡Extremely fast enterprise server framework, can be used in RPC, game server, web server.
- netty
- serialization
- game-server
- spring
An easy-to-use BI server built for SQL lovers. Power data analysis in SQL and gain faster business insights.
EventMesh is a new generation serverless event middleware for building distributed event-driven applications.
- esb
- event-driven
- event-mesh
- event-governance
🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.
Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.
- geospatial
- ofbiz
- web-framework
- java
HTTP web applications for Vert.x
- vertx
- reactive
- web
- client
Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.
- java
- elasticsearch
- full-text-search
- lucene
Build a GraphQL service in seconds
- graphql
- graphql-server
- java
- graphql-api
Microserver is a Java 8 native, zero configuration, standards based, battle hardened library to run Java Rest Microservices via a standard Java main class. Supporting pure Microservice or Micro-monolith styles.
- microservices
- rest
- jersey
- spring
True Object-Oriented Java Web Framework without NULLs, Static Methods, Annotations, and Mutable Objects
- java
- web-framework
- xml-xslt
- http
HTTP Server for Android Instrumentation tests