krahets / hello-algo

An open-source, animated, illustrated tutorial on data structures and algorithms with runnable code in many languages.

kestra-io / kestra

Open-source event-driven orchestration platform for scheduling and running data, AI, and infrastructure workflows defined in YAML.

xpipe-io / xpipe

Access your entire server infrastructure from your local desktop

TheAlgorithms / Java

All Algorithms implemented in Java

apache / cassandra

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

ZSvirt / zsvirt

Core IaaS engine and cloud infrastructure foundation of ZSvirt

apache / cloudstack

Apache CloudStack is an opensource Infrastructure as a Service (IaaS) cloud computing platform

immutables / immutables

Java annotation processor to create immutable objects and builders, for records too. Sweep boilerplate code under the rug!

eclipse-collections / eclipse-collections

Eclipse Collections is a collections framework for Java with optimized data structures and a rich, functional and fluent API.

gocd / gocd

GoCD - Continuous Delivery server main repository

iflytek / skillhub

Self-hosted, open-source agent skill registry for enterprises. Publish & version skill packages, govern with RBAC and audit logs, deploy on-premise with Docker or Kubernetes.

SPLWare / esProc

esProc SPL is a JVM-based programming language designed for structured data computation, serving as both a data analysis tool and an embedded computing engine.

fishercoder1534 / Leetcode

Solutions to LeetCode problems; updated daily. Subscribe to my YouTube channel for more.

JCTools / JCTools

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aeron-io / agrona

High Performance data structures and utility methods for Java

jOOQ / jOOR

jOOR - Fluent Reflection in Java jOOR is a very simple fluent API that gives access to your Java Class structures in a more intuitive way. The JDK's reflection APIs are hard and verbose to use. Other languages have much simpler constructs to access type meta information at runtime. Let us make Java reflection better.

risesoft-y9 / Digital-Infrastructure

数字底座是一款面向大型政府、企业数字化转型，基于身份认证、组织架构、岗位职务、应用系统、资源角色、数据目录、安全控制等功能构建的统一且安全的管理支撑平台。数字底座基于三员管理模式，具备微服务、多租户、容器化和国产化，支持用户利用代码生成器快速构建自己的业务应用，同时可关联诸多成熟且好用的内部生态应用。

indy256 / codelibrary

:gem:Collection of algorithms and data structures

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.

babyfish-ct / jimmer

The most advanced ORM of JVM, for both java & kotlin

sirixdb / sirix

SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.

lessthanoptimal / BoofCV

Fast computer vision library for SFM, calibration, fiducials, tracking, image processing, and more.

lacuna / bifurcan

functional, durable data structures

AthenZ / athenz

Open source platform for X.509 certificate based service authentication and fine grained access control in dynamic infrastructures. Athenz supports provisioning and configuration (centralized authorization) use cases as well as serving/runtime (decentralized authorization) use cases.

sudheerj / datastructures-algorithms

List of Programs related to data structures and algorithms

biojava / biojava

:book::microscope::coffee: BioJava is an open-source project dedicated to providing a Java library for processing biological data.

jjohannes / idiomatic-gradle

How to idiomatically structure a large build with Gradle 8 or Gradle 9

geonetwork / core-geonetwork

GeoNetwork is a catalog application to manage spatially referenced resources. It provides powerful metadata editing and search functions as well as an interactive web map viewer. It is currently used in numerous Spatial Data Infrastructure initiatives across the world.

ExtractPDF4J / ExtractPDF4J

Java PDF table extraction & OCR library. Extract structured tables from text-based and scanned PDFs using stream, lattice (OpenCV-style grid detection), and hybrid parsing.

lunar-landing / qualia

Enterprise-grade Next-Generation AI Agent Infrastructure

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.

google / mug

A small Java 8 library (string manipulation, BiStream, Structured Concurrency, SQL Templates)