apache

Apache Log4j is a versatile, feature-rich, efficient logging API and backend for Java.

A toolkit to run Ray applications on Kubernetes

Angie - drop-in replacement for nginx

Apache Lucene.NET is an open-source full-text search library written in C#, ported from the Apache Lucene project.

Apache Maka (Incubating) is a local-first AI agent workspace. Model messages, tool calls, tool results, permission decisions, and termination events are recorded as an append-only log.

EnvKit — free local development environment for Windows & macOS: nginx/Apache, multiple PHP versions, MySQL/MariaDB, PostgreSQL, Redis, MongoDB, Mailpit, Node.js, trusted .test HTTPS, and a built-in MCP server for AI-assistant control. A Laragon/XAMPP/Herd alternative.

An open-source no-code tool for teams to collaborate on building, evaluating, and hosting applications leveraging GPT and other large language models. You could easily build and share LLM-powered apps, manage your budget and run batch jobs.

SeaTunnel is a multimodal, high-performance, distributed, massive data integration tool.