Open5GS is a C-language Open Source implementation for 5G Core and EPC, i.e. the core network of LTE/NR network (Release-17)

Open source 5G core network based on 3GPP R15

Platform for building access networks and modular network services

Open source 5G UE and RAN (gNodeB) implementation.

RESTful APIs of main Network Functions in the 3GPP 5G Core Network

ESB, SOA, REST, APIs and Cloud Integrations in Python

Sionna: An Open-Source Library for Next-Generation Physical Layer Research

Collection of Intel device plugins for Kubernetes

Open source O-RAN 5G CU/DU solution from Software Radio Systems (SRS) https://docs.srsran.com/projects/project

华为鸿蒙分布式操作系统（Huawei HarmonyOS，纯血鸿蒙Harmony Next ），开源鸿蒙分布式操作系统（ OpenHarmony）开发技术交流，最全鸿蒙技术资料库，手册，指南，共建国产操作系统万物互联新生态。

Awesome lists about 5G projects.

Helm charts for deploying 5G network services on Kubernetes

eBPF based cloud-native load-balancer for Kubernetes|Edge|Telco|IoT|XaaS.

4G/5G Mobile Core User Plane

Open source distributed Platform as a Service (PaaS). A self-hosted Vercel / Netlify / Cloudflare alternative.

GTP (GPRS Tunneling Protocol) implemented in pure Golang.

MQTT Server/MQTT Broker - Scalable Distributed MQTT Message Broker for IoT in the 5G Era

Android Telephony SDK bridge with some additional features

GTP-U Linux Kernel Module

PFCP (Packet Forwarding Control Protocol) in pure Go.