apache / doris
Apache Doris is a real-time analytics and hybrid search database for AI agents.
apache / doris
langchain4j / langchain4j
LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
StarRocks / starrocks
The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.
jhy / jsoup
jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
Graylog2 / graylog2-server
Free and open log management
vespa-engine / vespa
The AI search platform
apache / camel
Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.
CellularPrivacy / Android-IMSI-Catcher-Detector
AIMSICD • Fight IMSI-Catcher, StingRay and silent SMS!
Querz / mcaselector
A tool to select chunks from Minecraft worlds for deletion or export.
objectbox / objectbox-java
Database for Android and JVM - first and fast, lightweight on-device vector database
crate / crate
CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.
eclipse-openj9 / openj9
Eclipse OpenJ9: A Java Virtual Machine for OpenJDK that's optimized for small footprint, fast start-up, and high throughput. Builds on Eclipse OMR (https://github.com/eclipse/omr) and combines with the Extensions for OpenJDK for OpenJ9 repo.
Snailclimb / interview-guide
基于 Spring Boot 4.1、Java 25、Spring AI 2.0、React、PostgreSQL/pgvector、Redis 和 RustFS 构建的开源 AI 面试平台，支持简历智能分析、模拟面试、语音面试和知识库 RAG。
openrocket / openrocket
Model-rocketry aerodynamics and trajectory simulation software
locationtech / jts
The JTS Topology Suite is a Java library for creating and manipulating vector geometry.
onthegomap / planetiler
Flexible tool to build planet-scale vector tilesets from OpenStreetMap data fast
confluentinc / examples
Apache Kafka, Apache Flink and Confluent Platform examples and demos
jplag / JPlag
State-of-the-Art Source Code Plagiarism & Collusion Detection. Check for plagiarism in a set of programs.
dromara / MaxKey
Dromara MaxKey 🗝️ SSO ,Leading-Edge IAM-IDaas(Identity and Access Management) Product , Under Apache-2.0 is free ，业界领先的IAM-IDaas身份管理和认证产品，遵循Apache-2.0开源免费，支持OAuth2.x、OpenID Connect、SAML2.0、CAS、JWT、SCIM等SSO标准协议，基于RBAC统一权限控制，实现用户生命周期管理，开源、安全、合规、自主可控。
apache / eventmesh
EventMesh is a new generation serverless event middleware for building distributed event-driven applications.
datastax / jvector
JVector: the most advanced embedded vector search engine
dingodb / dingo
A multi-modal vector database that supports upserts and vector queries using unified SQL (MySQL-Compatible) on structured and unstructured data, while meeting the requirements of high concurrency and ultra-low latency.
Arcticons-Team / Arcticons
A monotone line-based icon pack for android
mapsforge / mapsforge
Vector map library and writer - running on Android and Desktop.
infinispan / infinispan
Infinispan is an open source data grid platform and highly scalable NoSQL cloud data store.
ArcadeData / arcadedb
ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.
yushijinhun / authlib-injector
Build your own Minecraft authentication system.
retrooper / packetevents
PacketEvents is a protocol library tailored to Minecraft Java Edition, designed to facilitate the processing and transmission of packets.
MariaDB4j / MariaDB4j
MariaDB Embedded in Java JAR
OpenIdentityPlatform / OpenAM
OpenAM is an open-source access management solution for identity authentication, authorization, and federation. It provides single sign-on, adaptive authentication, and centralized policy control, enabling secure access to web, mobile, and cloud applications
JOML-CI / JOML
A Java math library for OpenGL rendering calculations
Sinytra / Connector
A compatibility layer that allows running Fabric mods on NeoForge
pivovarit / parallel-collectors
Parallel Collectors is a toolkit easing parallel collection processing in Java using Stream API.
OtterMind / Nubase
🔥🔥🔥 Turn AI-written code into real apps. Nubase is an open-source, AI-native backend platform for AI Coding, agentic applications, and modern product teams: Memory, Database, Storage, and Auth in one self-hostable service.
LordixDemon / apple_watch_connector
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binance / binance-connector-java
Simple Java connector to Binance Spot API
Waffle / waffle
Enable drop-in Windows Single Sign On for popular Java web servers.
ronitgupta138 / Vectra-Core
⚡ In-Memory Vector Search Engine & HNSW ANN Graph in Java 21 Loom. Sub-millisecond KNN retrieval, 8-bit scalar quantization (SQ8), 16,000+ QPS.
DeepSQLAI / deepsql
The database agent for Postgres and MySQL - Point it at PostgreSQL or MySQL and ask questions in plain English — schema exploration, query generation, slow query analysis, index recommendations, generated dashboards. Self-hosted and air-gapped.
git-syl / hermes-agent-demo
A multi-model Agent runtime built on Spring Boot 4 / Spring AI 2.0: model routing (Anthropic / DeepSeek / OpenAI / custom), thinking toggle, Task subagents, hot-pluggable Skills, Docker sandbox + Code Interpreter, MCP tools, dify/n8n integration, RAG with pgvector, Human-in-the-Loop approvals — all streamed as structured SSE events.
ironwood-lang / ironwood
Ironwood is an ahead-of-time compiled, object-oriented language for high-performance native applications. It preserves the familiar Java syntax, object model, and everyday APIs that Java developers already know, while producing optimized native executables with no JVM, JIT, or garbage collector.
metacoglabs / hypergraph
A persistent native vector-hypergraph database for higher-order interactions