Open source SDR 4G software suite from Software Radio Systems (SRS) https://docs.srsran.com/projects/4g

A small Arduino library for GSM modules, that just works

An Open-source LTE Downlink/Uplink Eavesdropper

FALCON - Fast Analysis of LTE Control channels

An open source 3GPP LTE implementation.

SimuLTE - LTE System Level Simulation Model and Simulator for INET & OMNeT++ - deprecated, use Simu5G instead

A multi-stack, ETSI compliant, V2X framework for ns-3.

Open Source LTE platform - Aims to be an Open Source Software Defined Radio (SDR) Erlang and C++ implementation of the 3GPP release 10 LTE spec

Public Safety Communication modeling tools based on ns-3

4G LTE software radio implementation for radio amateurs

u-blox GNSS receiver library light weight for low power tracking application

Arduino library repo for the Botletics SIM7000 Shield

Enables GSM/GRPS network connection using the GSM/GPRS modules. Use this library to make/receive voice calls, to send and receive SMS using Generic GSM/GPRS modules, such as u-blox SARA-U201 module.This library also allows you to connect to internet through the GPRS networks. You can either use Web Clients and Servers.

Non maintained clone of https://git.code.sf.net/p/openlte/code

LTE RACH realistic model

Quectel EG25-G Arduino Library

An open source 3GPP LTE implementation. (GitHub import of https://sourceforge.net/projects/openlte/)

Arduino Library for accessing NBIoT modules

This repository contains NS-3 source code for the performance evaluaton of M2M and H2H communication when they coexist inside 4 public, shared LTE network. A AMI network with DlMS/COSEM smart meters and 5 Data concentrators connected over WiFi and a 5 control center network over LTE. The internet LTE background applications such as VOIP, Video, …

Google Summer of Code, 2017 Project: Mobile IPv6 Implementation with LTE support