Build an open source fm radio station with your raspberry pi

Measures the frequency of a signal by counting the number of pulses during a fixed time.

A python package for reading/writing audio files from numpy array

Raspberry Pi standalone code for HPSDR (Protocol 1 and Protocol 2)

Open Source implementation of Audio Processing Technology codec (aptX)

Clone of Phil Karn's libfec with capability to build on x86-64

Software Defined Radio Demodulation and Decoding Tools

Simple spectrum analyzer

Osmocom core libraries; mirrored from https://gitea.osmocom.org/osmocom/libosmocore

CentSDR: tiny handheld standalone software defined receiver with LCD display.

MD380 DMR Radio Reverse Engineering

Open source software for demodulating and decoding AIS messages

A Simple Interrupt Safe Ring (Circular) Buffer Queuing Library for Programming with Arduino's and other Embedded platforms

PLUTO-GPS-SIM generates a GPS baseband signal IQ data stream, which is then transmitted by the software-defined radio (SDR) platform ADALM-Pluto.

Reed-Solomon & BCH encoding and decoding, in C++, Javascript & Python

libdspl-2.0 is opensource cross-platform digital signal processing algorithm library, written in C language.

Osmocom GSM Base Transceiver Station (BTS); mirrored from https://gitea.osmocom.org/cellular-infrastructure/osmo-bts

A portable C library implementing GNSS related functions and algorithms.

OpenPHY - Real time over-the-air LTE signal decoding tool

SigLib Digital Signal Processing and Machine Learning Library

LoRa gateway to Habitat

Wireless FM microphone receiver for RTL-SDR

Just my local copy of math-neon with build script

TurboFEC - SIMD vectorized LTE turbo and convolutional encoders and decoders

The ITU-T Software Tool Library (G.191)

PCF8574 / PCF8575 Arduino library (version 2.0)

A collection of tools (written in C) to do interesting things with sound files

Vector Network Analyzer based on the STM32F103C8T6 bluepill

vdl mode 2 SDR decoder

Software Defined Radio running on STM32 processor.