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Pharos is a GNSS IF signal simulator

Enhanced and security-focused fork of Signal.

Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS

A private messenger for iOS.

A private messenger for Android.

Infrastructure to enable deployment of ML models to low-power resource-constrained embedded targets (including microcontrollers and digital signal processors).

Open-source acoustic drone detection. It hears the propellers, not the radio, so it works against fibre-optic FPV aircraft that emit no signal at all.

High-performance GPU-accelerated signal processing and visualization framework that runs anywhere.

signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.

An implementation of a Signal K central server for boats.

DIPY is the paragon 3D/4D+ medical imaging library in Python. Contains generic methods for spatial normalization, signal processing, machine learning, statistical analysis and visualization of medical images. Additionally, it contains specialized methods for computational anatomy including diffusion, perfusion and structural imaging.

Think DSP: Digital Signal Processing in Python, by Allen B. Downey.

Filter design, periodograms, window functions, and other digital signal processing functionality

A private messenger for Windows, macOS, and Linux.

Vrecord is open-source software for capturing a video signal and turning it into a digital file.

Signal 18 repman - Replication Manager for MySQL / MariaDB / Percona Server

Pyroomacoustics is a package for audio signal processing for indoor applications. It was developed as a fast prototyping platform for beamforming algorithms in indoor scenarios.

Vehicle Signal Specification - standardized way to describe automotive data

A software oscilloscope and signal analysis toolset

Teletext streaming. Generates a T42 teletext stream from teletext pages. This can be used with inserter hardware or a Raspberry Pi to generate a video signal that teletext TVs can decode and display. It can also be used with vbit-iv to generate in-vision teletext on a Linux PC or Raspberry Pi.

Functional programming language for signal processing and sound synthesis

Large collection of number systems providing custom arithmetic for mixed-precision algorithm development and optimization for AI, Machine Learning, Computer Vision, Signal Processing, CAE, EDA, control, optimization, estimation, and approximation.

EEGLAB is an open source signal processing environment for electrophysiological signals running on Matlab and developed at the SCCN/UCSD

Rust library allowing to register multiple handlers for the same signal

A framework where a deep Q-Learning Reinforcement Learning agent tries to choose the correct traffic light phase at an intersection to maximize traffic efficiency.

Universal Signal K sensor framework for the ESP32 platform

DDSP: Differentiable Digital Signal Processing

Signal Protocol library for Dart/Flutter

Home to the Signal Protocol as well as other cryptographic primitives which make Signal possible.

Simplest ultrasonic ANTISPY voice recording jammer based on ARDUINO module with PWM (optionally AD8933 signal generator) with output MOSFET stage (or H-bridge+MOSFETs) driving piezo ultrasonic transducers + coils