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Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
- distributed-systems
- grpc
- java
- javascript
Agentic AI Framework for Java Developers
- artificial-intelligence
- java
- spring-ai
- agentic
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.
:rocket: Lightning fast and elegant mvc framework for Java8
- mvc-framework
- restful
- blade
- netty4
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
Roadmap to becoming a Java developer in 2026
- java
- jee
- roadmap
- guidelines
Agentic Orchestration Platform
- microservices
- orchestration-framework
- workflow-engine
- java
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
- database
- graph-database
- graph
- gremlin
Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.
- java
- intellij
- json
- template-engine
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
💡Extremely fast enterprise server framework, can be used in RPC, game server, web server.
- netty
- serialization
- game-server
- spring
Apache Solr open-source search software
- lucene
- solr
- search
- nosql
🦎 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.
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
Multitenant backend server for building web and mobile apps rapidly. The backend for busy developers. (self-hosted or hosted)
- backend
- api-server
- json-api
- baas
LittleHorse Server: Business-as-Code Platform for Microservices, Workflows, and Agents
Java type safe statically compiled mustache
- annotation-processor
- java
- mustache
- template-engine
JMeter plugin that lets you send sample results to an ElasticSearch engine to enable live monitoring of load tests.
- jmeter
- plugin
- jmeter-plugin
- elasticsearch