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OpenROAD's unified application implementing an RTL-to-GDS Flow. Documentation at https://openroad.readthedocs.io/en/latest/

Pure-Go, cross-platform RTL-SDR scanner and audio processing toolkit.

An inference chip design that runs a real LLM (Qwen2.5-0.5B) on FPGA — one transformer decoder layer in RTL, every silicon value bit-exact against a golden model. 0.56 tok/s measured, a 140× climb, full evidence trail.

cocotb: Python-based chip (RTL) verification

Multichannel AM/NFM demodulator

SDR Rx/Tx software for Airspy, Airspy HF+, BladeRF, HackRF, LimeSDR, PlutoSDR, RTL-SDR, SDRplay and FunCube

RTL edition of bootstrap v4 for rtl languages like Farsi and Arabic

NRSC-5 receiver for rtl-sdr

📻 LocalRadio is "Radio for Cord-Cutters" – a Software-Defined Radio (SDR) app for your Mac and mobile devices. With an inexpensive RTL-SDR USB device, LocalRadio provides a casual, home-based radio listening experience for your favorite local frequencies - FM broadcasts/free music/news/sports/weather/public safety & aviation scanner/etc.

Ride The Lightning - A full function web browser app for LND, C-Lightning and Eclair

high-performance RTL simulator

The Ultimate OpenSource RTL / ToolBox for Delphi and FreePascal

OpenROAD's scripts implementing an RTL-to-GDS Flow. Documentation at https://openroad-flow-scripts.readthedocs.io/en/latest/

AIS receiver for RTL SDR dongles, Airspy R2, Airspy Mini, Airspy HF+, HackRF, SDRplay and SoapySDR

RTL-SDR library written in Rust

Easy to use, GUI, BK7231T, BK7231N, RTL, etc flash tool and GPIO config extractor for beginners. Dedicated for Windows platform, but works on Linux with Mono. This tool can automatically download latest firmware (on user request) and then do a full BK backup and then write new flash cycle. This tool replaces old bkWriter 1.60 and hid_download_py.

HW Design Collateral for Caliptra RoT IP

Fix a wrong keyboard layout on macOS — Latin, Cyrillic and Hebrew (RTL) — by a tap or automatically, locally and over Screen Sharing. Menu-bar app, clipboard-free, free & open-source.

Agent skill for Verilog-2001 RTL generation and FPGA design workflows.

Project the aircraft passing overhead onto your ceiling in real time, from an RTL-SDR — with a live sky layer (sun, moon, stars, ISS) and where each plane is headed.

Full Transformer into a custom chip. microGPT in RTL, generating names on a Virtex-5 FPGA at ~56k tokens/second.

Handheld T Display P4 & ESP32-P4 SDR scanners - RTL-SDR or LR2021 SDR, P25 Phase 1, FM/AM, ADS-B and POCSAG, plus onboard LoRa/MeshCore, GPS and Flipper .sub capture. No PC.

Smart RTL (Right-to-Left) UI patcher for Antigravity & Antigravity IDE with Persian, Arabic, and Hebrew typography support.

A modern open-source VPN client for Android and Android TV, powered by Mihomo. Supports connection chaining, AmneziaWG v3, WireGuard, Hysteria2, subscription imports, connection testing, and a polished Persian/RTL experience.

Open-source, license-free MCP server for RTL waveform debug: reads FST waveforms (VCD/FSDB auto-convert) plus a SystemVerilog netlist, with 34 tools covering driver analysis, value/X tracing, pass-fail waveform diff, a browser wave viewer the agent drives, and pre-simulation static analysis.

Portable touchscreen SDR for M5Stack Tab5 + RTL-SDR dongles — spectrum, waterfall, FM/AM, Shortwave, ADS-B, FT8, P25, LoRa, RF tools, and Wi-Fi analysis without a PC.

An open-source AI accelerator, developed by AI: RTL, ISA, simulator, compiler and profiler in one repo. Runs Qwen3, LFM2.5 and Qwen3.5 on a Kintex-7 PCIe card.

RTL USB HTML SDR radio

Free SDR receiver for macOS, Windows and Linux: digital TV (DVB-T/T2, DVB-C, DVB-S/S2, ATSC, ISDB-T, DTMB), DAB+, FM, DRM, aviation (ADS-B, ACARS, VDL2), satellites, GNSS, ham modes (FT8, PSK31, CW), digital voice, cell towers and a spectrum analyser. HackRF, RTL-SDR, Airspy, SDRplay, BladeRF, LimeSDR, Pluto, USRP.