Open-source alternatives to SDRPlusPlus

This project is a software-defined radio platform designed to capture, analyze, and broadcast radio frequency signals across a wide spectrum. It provides a programmable hardware interface for transmitting and receiving radio signals, enabling spectrum analysis and wireless data monitoring. The system is distinguished by its ability to synchronize multiple devices using a shared external clock and hardware triggers to ensure precise timing and sample accuracy. It supports advanced signal routing, allowing ports to be mapped based on frequency or time to enable specialized operations like pseud

This project is a software-defined radio signal decoder and protocol analyzer designed to translate raw radio transmissions from ISM bands into human-readable data. It functions as a tool for capturing radio samples, analyzing pulse timings, and decoding signals from wireless devices. The system acts as a data bridge, converting decoded radio signals into JSON format for publication to MQTT brokers or exposure via Prometheus-compatible endpoints. It also serves as a signal capture tool capable of recording raw radio samples and demodulated pulses to files for offline analysis and simulated pl

GNU Radio is an open-source software-defined radio framework that provides a digital signal processing toolkit for building wireless communication systems. At its core, it uses a block-based flow graph architecture where pre-built signal processing blocks are connected into directed graphs to define and execute custom radio signal processing pipelines. The system operates as a flow graph signal processor that enables low-latency streaming radio signal processing, supporting both real-time operation and wireless communication simulation entirely in software. The framework distinguishes itself

This project is a GSM IMSI catcher and cellular network traffic analyzer designed to intercept radio signals and extract mobile subscriber identities and network location information. It functions as a mobile subscriber identifier decoder, parsing radio packets to retrieve identity numbers and mapping them to specific countries and operators. The system provides capabilities for targeted tracking by monitoring network traffic for specific subscriber identities to detect when a device enters a coverage area. It includes a GSM frequency scanner to detect active base stations and cellular bands

srsRAN is a software-defined radio suite for implementing 4G LTE networks. It provides comprehensive software implementations of the core network, base stations, and mobile user equipment. The project includes a lightweight evolved packet core with components for subscriber management and data routing, alongside a full-stack software-defined radio implementation of an eNodeB and mobile device simulation. The system covers radio access network management, core network infrastructure, and user equipment simulation. These capabilities enable the deployment of private cellular networks and the t

Xtreme-Firmware is a custom operating system for the Flipper Zero designed to expand hardware capabilities and remove software restrictions. It functions as a multi-protocol signal emulator for capturing and replaying RFID, NFC, Sub-GHz, and Infrared signals to test hardware security. The project features a specialized USB HID attack framework for sending keystroke payloads and spoofing device identifiers over USB and Bluetooth. It also includes a WiFi penetration testing suite for scanning, sniffing, and sending deauthentication frames using a wireless development board. Broad capabilities

Unleashed Firmware is a custom firmware modification for portable multi-tool devices designed to expand the capabilities of radio frequency, infrared, and contactless authentication hardware. It functions as a comprehensive platform for wireless security auditing, signal analysis, and hardware interaction, enabling users to capture, decode, and emulate signals across various communication protocols. The firmware distinguishes itself through a modular plugin architecture that allows for the dynamic addition of signal analysis and attack capabilities without requiring a full system recompile. I

This project is an integrated software suite and graphical workbench designed for capturing, visualizing, and reverse engineering wireless communication protocols and digital waveforms. It functions as a platform for software-defined radio analysis, enabling the recording of raw radio frequency data from hardware devices to facilitate the investigation of unknown or proprietary communication logic. The software distinguishes itself through a protocol-agnostic data modeling approach that represents radio transmissions as abstract bitstreams, decoupling analysis tools from specific modulation o

Red-DiscordBot is a modular framework for building and self-hosting Discord bots. It functions as a server management tool and community moderation bot that can be tailored by enabling or disabling specific feature modules. The system is distinguished by its extensible plugin architecture, which allows for the integration of third-party modules and the development of custom functional packages. Users can manage bot behavior through a chat-based interface, enabling them to assemble custom bots and define unique responses and behaviors without writing new code. The framework covers a broad ran

miniaudio is a single-file C audio library used for audio playback, capture, and hardware interfacing across multiple operating systems. It functions as an audio hardware abstraction layer, an audio processing engine, an audio synthesis engine, and a codec and resampler. The project implements a node-graph based system for routing digital audio signals, mixing, and 3D spatialization. It also includes a programmatic generator for noise patterns and basic waveforms used for sound creation and signal testing. The library covers digital signal processing, including audio format conversion and sa

jc is a tool that transforms plain-text results from command-line utilities, system tools, log formats, and text tables into structured JSON data. It functions as a structured data transformer capable of converting various file formats, including CSV, INI, XML, and YAML, into JSON representations for programmatic use. The project includes a collection of specific parsers for Unix commands and system tools such as df, blkid, and various package managers. It also features specialized converters for web server logs, Common Log Format, and Common Event Format strings. The tool covers broad capab

This project is a cross-platform emulator designed to execute software originally developed for the PlayStation 2 console on modern computing hardware. By replicating the original processor and graphics architecture, it allows users to run legacy game discs and digital backups within a virtual environment on contemporary desktop and laptop systems. The software distinguishes itself through advanced graphics enhancement engineering, which enables users to adjust rendering resolutions, apply texture filtering, and utilize community-created patches to improve visual fidelity beyond original hard

This project is a cross-platform game engine framework and build pipeline designed to produce playable executable binaries for desktop and Android devices. It provides a collection of core libraries for game development, including a native Android build system and a C++ build pipeline. The framework features a specialized bitmap font rendering system that displays stylized typography by mapping character indices to image atlases using coordinate and spacing metadata. It also implements a hardware abstraction layer to decouple application logic from graphics and audio drivers, ensuring portabl

wavesurfer.js is a WebAudio playback library and interactive waveform visualizer that renders audio data onto an HTML5 canvas. It enables users to see and navigate sound files through a visual representation of audio peaks, allowing for direct seeking and playback control within a web browser. The project is distinguished by its flexible rendering model, which can use precomputed peak data to display waveforms without downloading or decoding the full audio file. It utilizes a plugin-based extension model to integrate advanced tools such as spectrograms, interactive audio timelines, and real-t

This repository is a comprehensive collection of functional 2D and 3D demo projects and implementation samples for the Godot Game Engine. It serves as an interactive tutorial and reference library, providing a working codebase to demonstrate how to apply engine features in real-world scenarios. The collection focuses on practical implementation guides, covering a wide array of technical capabilities from basic engine fundamentals to advanced rendering and scripting techniques. It allows users to study the application of node-based composition, asset pipelines, and game logic through direct ex

srsRAN_4G is a full-stack software-defined radio suite that implements the 4G LTE protocol. It provides a modular cellular network stack capable of deploying base stations, core network components, and user equipment simulators. The project differentiates itself through a hardware-agnostic approach to radio drivers, allowing the software to interface with various software-defined radio front-ends. It implements the entire communication chain in software, from the physical layer to the network core. The system covers several functional domains, including baseband signal processing, subscriber

Flipper is a portable, multi-protocol hardware security tool designed for the analysis, capture, and emulation of wireless and physical access signals. It functions as a platform for security research and hardware experimentation, enabling users to interact with radio frequency, infrared, and near-field communication systems. The device distinguishes itself through its modular firmware architecture and script-based execution engine, which allow for the automation of complex signal transmissions and keystroke injection sequences. By utilizing direct hardware manipulation and event-driven polli

Small is a cross-platform plugin framework and modularization tool designed to break monolithic mobile applications into independent components. It provides a modular mobile architecture that allows developers to split applications into decoupled plugins to reduce system complexity and memory usage across multiple operating systems. The framework includes a dynamic module loader for on-demand feature loading to improve startup times and a dependency injection service registry that connects feature modules to a central core for service discovery. The system provides a platform abstraction lay

Vorpal is a Node.js interactive CLI framework and terminal user interface library used to build extensible command-line shells. It functions as an interactive command-line parser that converts string input into executable functions, managing the lifecycle of terminal sessions and command routing. The framework is distinguished by a plugin-based extension architecture that allows external modules to register new commands, shared behaviors, and complete command suites into the core environment. It supports the creation of custom shell environments with specialized namespaces and a system for pe

OpenWifi is an open-source implementation of the IEEE 802.11n wireless standard designed for programmable logic. It provides a software-defined radio platform and WiFi baseband processor that implements the physical and MAC layers on FPGA hardware, accompanied by a dedicated wireless driver and toolset for hardware control. The project is distinguished by its deep integration of signal analysis and telemetry, specifically through a framework for capturing channel state information and raw IQ samples. It enables high-precision packet timestamping and cross-layer correlation between physical la

MagicMirror is an open source framework for creating personalized information dashboards, specifically designed for use as a modular smart mirror platform and a plugin-based dashboard framework. It functions as a system for aggregating data feeds and modular components to create a centralized information hub. The platform utilizes a module-based plugin architecture that allows for the development and integration of custom third-party plugins through a standardized interface. This extensibility enables the creation of personalized displays and custom data widgets. The system supports a headle

DataX is a distributed data integration framework and plugin-based ETL tool designed for synchronizing large datasets between heterogeneous sources and destinations. It functions as a JDBC data migration engine and offline synchronization tool, enabling the movement of data between relational databases, NoSQL stores, and object storage. The system utilizes a plugin-based connector architecture that decouples reader and writer logic, allowing it to map and transform data types across different storage engines using a standardized internal representation. This design supports heterogeneous data

Hapi is a configuration-driven web framework for building secure and scalable HTTP servers and APIs on the Node.js runtime. It functions as a REST API development framework and an enterprise server implementation focused on stability, security, and comprehensive input validation. The framework is built around a plugin-based architecture, allowing core functionality and custom logic to be organized into modular, registerable plugins. It serves as an HTTP request lifecycle manager, enabling the interception and modification of requests through pre-handlers and extensions before they reach the f

WordPress is an open-source content management system and PHP-based application framework designed for building and maintaining websites. It functions as a visual, block-based website builder that allows users to construct layouts and manage digital content without manual code entry. The platform supports a wide range of operational needs, from managing individual sites to administering complex multi-site networks from a single installation. The system is distinguished by its highly extensible, plugin-driven modular architecture, which allows for the integration of third-party modules to add

PowerToys is a collection of background-resident system utilities designed to extend native operating system functionality and streamline desktop workflows. It operates as a modular toolkit, utilizing a central plugin-based host architecture that allows users to dynamically enable or disable specific features for system configuration and automation. By leveraging native system hooking, the suite intercepts global input and window events to provide advanced control over the computing environment. The project distinguishes itself through its focus on cross-device input orchestration and spatial

This project is a modular, terminal-based dashboard framework designed to aggregate and display real-time information within a grid-aligned interface. It functions as a centralized monitoring tool that translates data from local system resources, infrastructure services, and external web APIs into a unified, text-based display. The dashboard is distinguished by its plugin-based architecture, which allows users to encapsulate distinct data sources and display logic into isolated, independently managed modules. Users define their workspace through declarative configuration files or an interacti

ipscan is a cross-platform network auditor and Java-based network scanner used for discovering networked devices and exporting scan results. It functions as an IP address range scanner and a TCP/UDP port scanner to identify active hosts and open services on a network. The application features a plugin-based fetcher architecture that allows the integration of custom data collection fetchers to retrieve specific hardware or software information from discovered hosts. Its broader capabilities include local network discovery, network port auditing, and the creation of network asset inventories.