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Top 20 C++ Lora Projects
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firmware
The official firmware for Meshtastic, an open-source, off-grid mesh communication system. (by meshtastic)
Project mention: Meshtastic: Open-source off-grid decentralized mesh networking | news.ycombinator.com | 2025-07-29 -
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I'm sure these days there are multiple LoRa based links (independent and ELRS forks) that support authenticated encryption.
[0] https://github.com/ExpressLRS/ExpressLRS/pull/1411
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OpenMQTTGateway
MQTT gateway for ESP8266 or ESP32 with bidirectional 433mhz/315mhz/868mhz, Infrared communications, BLE, Bluetooth, beacons detection, mi flora, mi jia, LYWSD02, LYWSD03MMC, Mi Scale, TPMS, BBQ thermometer compatibility & LoRa.
OpenMQTT is a true "standing on the shoulder of giants" project with a dedicated and strong developer community. The features and level of sophistication of this project is fantastic, I strongly advise you to take some time and browse the GitHub software repository.
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PJON
PJON (Padded Jittering Operative Network) is an experimental, arduino-compatible, multi-master, multi-media network protocol.
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k=3 ssh_k # building this on the third machine git clone https://github.com/PygmalionAI/aphrodite-engine.git ~/shared/aphrodite-engine cd ~/shared/aphrodite-engine pip install protobuf==3.20.2 ninja msgspec coloredlogs portalocker pytimeparse -r requirements-common.txt python setup.py bdist_wheel pip install --no-deps dist/*.whl
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gr-lora_sdr
This is the fully-functional GNU Radio software-defined radio (SDR) implementation of a LoRa transceiver with all the necessary receiver components to operate correctly even at very low SNRs. This work has been conducted at the Telecommunication Circuits Laboratory, EPFL.
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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LoRa_E32_Series_Library
Arduino LoRa EBYTE E32 device library complete and tested with Arduino, esp8266, esp32, STM32 and Raspberry Pi Pico (rp2040 boards). sx1278/sx1276
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ClusterDuck-Protocol
Firmware for an ad-hoc mesh network of Internet-of-Things devices based on LoRa (Long Range radio) that can be deployed quickly and at low cost.
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LoRaMesher
The LoRaMesher library implements a distance-vector routing protocol for communicating messages among LoRa nodes.
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EByte_LoRa_E220_Series_Library
Arduino LoRa EBYTE E220 LLCC68 device library complete and tested with Arduino, esp8266, esp32, STM32 and Raspberry Pi Pico (rp2040 boards)..
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rf95modem
a modem firmware for arduino boards with a rf95 compatible radio module and a serial interface
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EByte-LoRa-Manager-esp8266-Gateway
A simple LoRa gateway that put all received message in a web socket server, with a complete web-based configuration interface.
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EByte-LoRa-Manager-esp32-Gateway
A simple LoRa gateway that put all received message in a web socket server, with a complete web-based configuration interface.
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ Lora discussion
C++ Lora related posts
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Meshtastic: Open-source off-grid decentralized mesh networking
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A fast, persistent Meshtastic web app - part 1
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All Data and AI Weekly - 20 Jan 2025
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Practical Radio Circuits (2003) [pdf]
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My solar-powered and self-hosted website – Dries Buytaert
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EU ChatControl is back on the agenda
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A note from our sponsor - Sevalla
sevalla.com | 1 Sep 2025
Index
What are some of the best open-source Lora projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | firmware | 5,426 |
| 2 | ExpressLRS | 4,350 |
| 3 | OpenMQTTGateway | 3,843 |
| 4 | PJON | 2,758 |
| 5 | ESP32-Paxcounter | 1,919 |
| 6 | aphrodite-engine | 1,531 |
| 7 | gr-lora_sdr | 824 |
| 8 | Mars-Rover | 544 |
| 9 | LoRa_E32_Series_Library | 404 |
| 10 | ClusterDuck-Protocol | 402 |
| 11 | LoRa_APRS_Tracker | 347 |
| 12 | EBYTE | 251 |
| 13 | LoRaMesher | 213 |
| 14 | EByte_LoRa_E220_Series_Library | 125 |
| 15 | CayenneLPP | 117 |
| 16 | WARS-Birdhouse | 62 |
| 17 | rf95modem | 24 |
| 18 | EByte-LoRa-Manager-esp8266-Gateway | 5 |
| 19 | EByte-LoRa-Manager-esp32-Gateway | 1 |
| 20 | LoRa-Stopwatch | 0 |
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