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 47 · Most stars
:fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.
- tcc
- saga
- xa
- at
TranslatedA powerful flow control component enabling reliability, resilience and monitoring for microservices. (A high-availability flow control and protection component for cloud-native microservices)
- alibaba
- java
- microservice
- circuit-breaker
Quarkus: Supersonic Subatomic Java.
- kubernetes
- java
- cloud-native
- reactive
Vert.x is a tool-kit for building reactive applications on the JVM
- vertx
- java
- netty
- reactive
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.
Feign makes writing java http clients easier
- java
- http-client
- jax-rs
- okhttp3
Apache KIE (Knowledge Is Everything) is the home of Drools, OptaPlanner, jBPM, and Kogito.
- rule-engine
- java
- dmn
- hacktoberfest
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.
A reference implementation of a JSON package in Java.
- hacktoberfest
- java
- json
- public-domain
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
- cross-language
- fast
- jit
- multiple-language
Azkaban workflow manager.
- workflow-engine
- azkaban
- scheduling
- hacktoberfest
Simple Binary Encoding (SBE) - High Performance Message Codec
- codec
- java
- c-plus-plus
- golang
An extremely easy way to perform background processing in Java. Backed by persistent storage. Open and free for commercial use.
- java-8
- background-jobs
- parallel-processing
- scheduling
Simple, high-performance event-driven HTTP client+server for Clojure
- clojure
- async
- websockets
- http-server
Lean & powerful HTTP apps
a Business Process Management (BPM) Suite
- jbpm
- bpm
- bpmn
- business-process
🦎 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.
Persistent cluster-friendly scheduler for Java
- java
- scheduler
- task-scheduler
- job-scheduler
Simple API, Complex Emails (Jakarta Mail smtp wrapper)
- java
- java-mail
- outlook
- batch-processing
High performance JVM JSON library
- json
- java
- high-performance
- android
binary serialization format
- serialization
- serializable-objects
- cross-platform
- high-performance
Fast, lightweight, and RFC 4180 compliant CSV library for Java. Zero dependencies, ~90 KiB. Trusted by Apache NiFi, JUnit, and Neo4j.
- csv
- java
- csv-parser
- csv-reader
TranslatedUniversal, flexible, high-performance distributed ID generator.
- distributed
- id
- idgenerator
- snowflake