Open Source Embedded Systems Software

The wolfSSL embedded SSL library (formerly CyaSSL) is a lightweight, portable, C-language-based SSL/TLS library targeted at IoT, embedded, and RTOS environments primarily because of its size, speed, and feature set. It works seamlessly in desktop, enterprise, and cloud environments as well. wolfSSL supports industry standards up to the current TLS 1.2 and DTLS 1.2, is up to 20 times smaller than OpenSSL, offers a simple API, an OpenSSL compatibility layer, OCSP and CRL support, is backed by the robust wolfCrypt cryptography library, and much more. wolfSSL relies on the FIPS 140-2 validated wolfCrypt library for all cryptographic functionality. Visit http://wolfssl.com/wolfSSL/fips.html for more info!

The Cryptofon is designed to enable safe and secure communication trough a regular PSTN line. It supports narrowband connections (~2400 bit/s and lower).

A version of the Electronic Shelf Label that utilizes the ESP32 CYD. GitHub repository: https://github.com/Northstrix/ESP32-Cheap-Yellow-Display-Electronic-Shelf-Label-with-Google-Firebase The tutorial is available at https://www.instructables.com/ESP32-CYD-ESL/ WebFlash: https://northstrix.github.io/ESP32-Cheap-Yellow-Display-Electronic-Shelf-Label-with-Google-Firebase/flash.html Format Flash area designated for SPIFFS with ESP32 Filesystem Uploader (https://github.com/me-no-dev/arduino-esp32fs-plugin/releases/) after using the WebFlash.

Engrane3D is a fully working LiveCD OS powered by Slackware/Slax with a personalized set of tools to set, configure clusters, tools for hosting serving, a built-in parallel 3D renderer and a nice set of compilers and libs (SDL,MPI, Mesa).

Pharos is a free open-source RTOS for secure, safe and real-time systems with the following characteristics: - Memory and enhanced time partitioning (TSP) - Native support for sporadic, periodic and aperiodic threads - Fixed-priority preemptive scheduler - Execution time protection (threads are prevented from executing for more time than they are configured to) - Small size (full image has ~100 to 300KiB text, ~30KiB data) - Hard real-time determinism - Fast critical sections - Prioritized nested interrupts - inter-partition communication with filters to protect unwanted access - Multicore support (RMP) - Supports ARM9, Cortex-A/R/M and Aarch64, RISC-V64 (64 bits) - The complete TestSuite (see below information) is run successfully for each platform in each release - Tested: more than 170 KLOC of requirement-based tests, executed for each board at each release - Up-to-date User Manual also available See our wiki page for more information.

Serpent_in_CBC_mode_for_microcontrollers is an open-source code that enables you to easily integrate the Serpent encryption algorithm in CBC mode to your project. Based on the work of https://github.com/peterferrie/serpent GitHub Page: https://github.com/Northstrix/Serpent_in_CBC_mode_for_microcontrollers

A system that allows people to open doors by using a Bluetooth enabled phone or other device.