PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.
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Orchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI agents. Declarative YAML, event-driven, any language, Git-versioned, scalable to millions of executions.
🔥 人人可用的开源 BI 工具，数据可视化神器。An open-source BI tool alternative to Tableau.
QuestDB is a high performance, open-source, time-series database
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.
Open-Source Web UI for Apache Kafka Management
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
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.
Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services
Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel Dungeon, by Watabou.
JanusGraph: an open-source, distributed graph database
Open-Source Subscription Billing & Payments Platform
A fast, ad-free home screen for Google TV, LG webOS and Samsung Tizen. One button to undo.
OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.
100% open-source IoT Platform - Integrate your devices, add intelligence, build custom apps
Open-source framework for native apps from one Java codebase, with a custom-rendered UI you control across iOS, Android, desktop, web, and watches.
Take the ads, tracking and clutter out of your Fire TV over ADB, no root. Every step can be undone. Comes with its own open-source home screen.
SoapUI is a free and open source cross-platform functional testing solution for APIs and web services.
Apache Solr open-source search software
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.
(Official) The DSpace digital asset management system that powers your Institutional Repository
zerocode-tdd is a community-developed, free, open-source, outcome-driven automated testing framework for Data Pipelines, ETL, REST API, Kafka(Data Streams), Databases and Load scenarios. all defined in simple JSON or YAML — with zero coding.
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
Esper Complex Event Processing, Streaming SQL and Event Series Analysis