Camellia provide easy-to-use server toolkits
A Bukkit(1.19/1.20) server implementation in modding environment
Build great things at any scale
External configuration (server and client) for Spring Cloud
The modular web framework for Java and Kotlin
Mirror of Apache Struts
A Minecraft mapping tool that creates 3D models of your Minecraft
Join any Minecraft Bedrock Edition server IP on Xbox One
An XMPP server licensed under the Open Source Apache License
Now continued as OculiX — see oculix.org
The Android client for Nextcloud
Allows the connection of newer clients to older server versions
I2P is an anonymizing network to securely communicate
An extremely easy way to perform background processing in Java
Build cross-platform native progressive web apps for iOS and Android
Android TV Client for Jellyfin
The OWASP ZAP core project
Thymeleaf is a modern server-side Java template engine for web
Web application that allows you to perform operations on PDF files
Eclipse Tyrus is the open source JSR 356 - Java API for WebSocket
Apache CloudStack is an opensource Infrastructure as a Service (IaaS)
Extremely fast enterprise server framework, can be used in RPC
Open source routing engine for OpenStreetMap
GeoServer repository