Cardputer ADV satellite tracker + multi-radio CAT Doppler control

Custom firmware for the Quansheng UV-K5. Voice-seeking spectrum, adaptive squelch, TX compressor, bandscope, and 41 features built on Egzumer.

Rapid Serial Visual Presentation - an ebook reader for m5cardputer

a Stellarium inspired planetarium firmware for the M5Stack Cardputer ADV

A command line and web utility to view and set registers in the AIOC adapter for handheld radios

This revolutionary software enables EV battery packs to be easily reused for stationary storage in combination with solar inverters

Manage applets and keys on JavaCard-s like a pro 🌐 🔐

Curated list of open-source Java Card applets and related applications for cryptographic smartcards

Easy to use Ant task for building JavaCard applets (2.1.1 to 3.2.0) 🐜

Control the device buzzer when an NFC card is detected. ACR122U or compatible NFC reader devices.

PIV applet for JavaCard 2.2.2 and 3.0.4+ with full ECDSA/ECDH support

SmartPGP is a JavaCard implementation of the OpenPGP card specifications

NDEF tag implementation for JavaCard

a collection of boards ive designed for the Flipper zero. more are on their way!

Iceman Fork - Proxmark3

Open Vehicle Monitoring System - Version 3

ESP8266 RFID (RC522, PN532, Wiegand, RDM6300) Access Control system featuring WebSocket, JSON, NTP Client, Javascript, SPIFFS

Keybase Filesystem (KBFS)

HomeKit support for the impatient.

Advanced firmware to add native Apple HomeKit and custom configurations, compatible with any SoC based on ESP32, ESP32-S, ESP32-C and ESP8266 series. (Shelly, Sonoff, Electrodragon, Tuya...)

Firmware for Original Prusa i3 3D printer by PrusaResearch

Open Source Soldering Iron firmware

A plugin for Homebridge allowing the integration of many different accessory types using MQTT.

Apple HomeKit accessory server library for ESP-OPEN-RTOS

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP…

An occupancy sensor for Homebridge and UniFi

Portability Add-On for the HackRF Software-Defined Radio.

Custom firmware for the HackRF SDR + PortaPack H1 addon

Clean-code version of the baseflight flight controller firmware

Open Source Flight Controller Firmware