#c_lang

jemalloc is a memory allocator that helps computers manage memory more efficiently. It was first used in FreeBSD in 2005 and is now used in many applications because it reduces memory fragmentation and supports many threads running at the same time. This means it can handle lots of small memory requests without slowing down, making it very useful for demanding applications. The benefit to users is faster and more reliable performance, especially in programs that need to handle a lot of data or run many tasks simultaneously.

https://github.com/jemalloc/jemalloc

#c_lang #alsa #audio_visualizer #freebsd #glsl_shaders #linux #macos #ncurses #pipewire #portaudio #pulseaudio #sdl2 #sndio #windows

Cava is a free, open-source audio visualizer that works on Linux, FreeBSD, macOS, and Windows, letting you see music as moving bars right in your terminal or desktop window[1][3]. It’s easy to install and use, supports many audio systems, and lets you customize colors and settings. The main benefit is that it makes listening to music more fun and visually engaging, especially for people who enjoy seeing sound represented in real time, and it works on almost any computer or device[1][3][4].

https://github.com/karlstav/cava

#c_lang

ESP-IDF is Espressif's official software framework for developing applications on ESP32 and related chips, supporting Windows, Linux, and macOS. It offers a complete set of tools, libraries, and drivers for Wi-Fi, Bluetooth, and IoT features, enabling you to build connected devices efficiently using C or C++. ESP-IDF supports multiple chip versions with stable releases and ongoing updates, ensuring reliability and production readiness. It includes easy commands for building, flashing, and monitoring your projects, plus example templates to start quickly. Using ESP-IDF helps you create robust, feature-rich IoT applications with strong community and official support. This saves time and effort in development and deployment.

https://github.com/espressif/esp-idf

#c_lang

SpaghettiKart is an unofficial PC port of Mario Kart 64 that runs smoothly on Windows, Linux, and even Nintendo Switch, offering better performance and online multiplayer, which the original N64 version lacked. You need a legal US ROM in .z64 format to use it, as the game itself doesn’t include any copyrighted assets. It supports custom mods and different graphics backends for better visuals and stability. This means you can enjoy Mario Kart 64 with improved graphics, online play, and modding options on modern devices, making the classic game more accessible and fun today[2][4].

https://github.com/HarbourMasters/SpaghettiKart

#c_lang

Microui is a very small and simple user interface library written in plain C, with about 1100 lines of code. It works within a fixed memory size without extra allocation and includes basic controls like windows, buttons, sliders, textboxes, and labels. It can be used with any system that can draw rectangles and text, and you can easily add your own custom controls. Microui processes user input and generates drawing commands but does not draw itself, so you handle rendering separately. This makes it lightweight, portable, and easy to integrate into various projects, especially where minimal memory use and simplicity are important[1][2].

https://github.com/rxi/microui

#c_lang

FreeRTOS is a powerful tool for building embedded systems. It helps developers create complex systems that can do many tasks at once while using limited resources. This makes it great for small devices like those in IoT. FreeRTOS is also open-source, which means developers can modify it and share improvements. It supports many libraries and tools, such as networking and file systems, making it easy to connect devices to the internet and manage data. This helps developers quickly build and maintain their projects, saving time and effort.

https://github.com/FreeRTOS/FreeRTOS

#c_lang #cryptography #decryption #encryption #openssl #ssl #tls

OpenSSL is a free, open-source toolkit that helps secure data by using strong encryption methods like TLS, SSL, and QUIC protocols. It includes libraries for cryptography and a command-line tool to create keys, certificates, encrypt data, and test security. OpenSSL is widely trusted and used by many software and websites to protect sensitive information during transmission, ensuring privacy and data integrity. It works on many operating systems and is regularly updated by a global community. Using OpenSSL helps you build secure applications and protect communications from cyber threats easily and reliably[1][3][5].

https://github.com/openssl/openssl

#c_lang #ble #bluetooth_low_energy #iot #nrf52 #sensor #soil_moisture #soil_moisture_sensor

The b-parasite is a small, open-source device that checks soil moisture, air temperature, humidity, and light for your plants, using a simple coin cell battery that can last over two years. It works with popular smart home systems like Home Assistant and can send data wirelessly using Bluetooth or Zigbee. The device is easy to build or buy, comes with free designs and software, and can be protected with a 3D-printed case. This helps you keep your plants healthy by giving you clear, regular updates on their environment, so you know exactly when to water or adjust conditions[1][2][3].

https://github.com/rbaron/b-parasite

#c_lang #cuda #cuda_driver_api #cuda_kernels #cuda_opengl

You can use the CUDA Samples from NVIDIA to learn and test CUDA Toolkit 12.9 features by downloading them from GitHub or as a ZIP file. These samples show how to use CUDA for GPU programming, including utilities, concepts, libraries, and performance optimization. You build them with CMake on Linux, Windows, or Tegra devices, and can run tests automatically with a provided Python script. This helps you understand CUDA programming, debug GPU code, and optimize your applications for better performance on NVIDIA GPUs. It’s a practical way to develop and improve GPU-accelerated software efficiently.

https://github.com/NVIDIA/cuda-samples

#c_lang #bluetooth #bluetooth_le #embedded #embedded_c #iot #mcu #microcontroller #real_time #rtos #zephyr #zephyr_rtos #zephyros

Zephyr is a free, open-source real-time operating system (RTOS) designed for small, resource-limited devices like sensors, wearables, and IoT gateways. It supports many hardware types such as ARM, Intel x86, and RISC-V, making it flexible for different projects. Zephyr is modular, so you can include only what you need, saving memory and power. It focuses on security with features like memory protection and secure boot. It also offers built-in networking and tools for easy development and testing. This helps you build reliable, fast, and secure embedded systems efficiently, especially for IoT and real-time applications[1][2][3].

https://github.com/zephyrproject-rtos/zephyr

#c_lang

You can find detailed guides for Linux kernel developers and users in the Documentation/ folder, which includes files in formats like HTML and PDF. To build these documents yourself, use commands like `make htmldocs` or `make pdfdocs`. The documentation covers important topics such as kernel building, running requirements, and upgrade issues. You can also view the latest formatted docs online. Additionally, the kernel source uses a special comment style called kernel-doc to embed documentation directly in the code, making it easier to understand functions and structures. This helps you learn, build, and maintain the Linux kernel more effectively.

https://github.com/raspberrypi/linux

#c_lang

You can build C projects using only a C compiler without needing tools like make or cmake by using the "nob" library, which lets you write build instructions in C itself. This makes your build process very portable across many systems (Linux, Windows, MacOS, etc.) because it depends only on the C compiler, which is widely available. It also lets you reuse code between your project and build system since both use C. However, it requires comfort with C programming and is mainly useful for simpler C/C++ projects, not complex ones with many dependencies. You just include the single header file "nob.h" to start using it. This approach simplifies building and increases control if you prefer coding your build steps in C directly.

https://github.com/tsoding/nob.h

#c_lang

The CDP System Software Release 8, updated in October 2023, is free and open-source software for creative sound design, offering about 80 new sound-processing programs including multichannel support, waveset distortion, and speech/voice tools. It supports the PVOCEX (.pvx) analysis file format used in Csound, enhancing compatibility and playback options. The system runs on Mac, Windows, and Linux, and includes updated graphical interfaces and scripting capabilities for advanced sound manipulation. This release benefits you by providing powerful, flexible tools to transform and create unique sounds, with ongoing development opportunities if you want to contribute or customize the software.

https://github.com/ComposersDesktop/CDP8

#c_lang #infiniband #iwarp #kernel_rdma_drivers #linux_kernel #rdma #roce #userspace_libraries

You can use RDMA Core, a set of Linux userspace libraries and daemons, to work with RDMA devices for high-speed network communication. It supports many kernel drivers and provides tools and libraries like libibverbs and librdmacm to manage RDMA devices and connections. You can build it easily with cmake and install required packages depending on your Linux distribution. Using RDMA Core lets you set up software RDMA interfaces and verify them with commands like `ibv_devices` or `rdma link`. This helps you achieve faster, low-latency data transfer, which is useful for high-performance computing and networking tasks.

https://github.com/linux-rdma/rdma-core

#c_lang

You can find detailed guides for Linux kernel developers and users in the Documentation/ folder, with files in formats like HTML and PDF. To build these documents yourself, use commands like `make htmldocs` or `make pdfdocs`. The documentation covers important topics such as kernel building, running requirements, and upgrade issues. Reading these helps you understand how to work with the Linux kernel safely and effectively, avoiding common problems when upgrading or modifying it. This makes managing and developing the kernel easier and more reliable for you.

https://github.com/torvalds/linux

#c_lang #bk7231 #bk7231n #bk7231t #bl602 #home_assistant #iot #ln882h #mqtt #smart_home #tasmota #tuya #w600 #w601 #w800 #w801 #wifi #xr809

OpenBeken is a free Tasmota-like firmware for Tuya devices with chips like BK7231T/N, BL602, W600, ESP32, and 20+ others, adding MQTT, Home Assistant auto-discovery, OTA updates, scripting, sensors, power metering, and RGB LED control. Download ready binaries, flash easily via GUI tools or UART, and use a 700+ device database with guides. You gain cloud-free smart home control, easy local setup without AP mode, lower power use, and full customization for reliable automation.

https://github.com/openshwprojects/OpenBK7231T_App

#c_lang

stackplz is an eBPF tool for Android (arm64, root, kernel 5.10+) that traces syscalls, uprobes in libraries, and hardware breakpoints, printing params, stacks, and registers with filters for PIDs/threads. Push binary to /data/local/tmp, chmod +x, run like ./stackplz -n app --syscall open -o log. It helps you debug apps, hook functions, dump memory on hits (e.g., --kill SIGSTOP), and analyze traces undetected, saving time on reverse engineering without attaching processes.

https://github.com/SeeFlowerX/stackplz

#c_lang #driver #flash #jedec #jedec_sfdp #qspi #sfdp #sfdp_flash #spi_flash #universal_driver

**SFUD** is an open-source library that drives many SPI/QSPI Flash chips from brands like Winbond and Macronix. It auto-detects chip specs via the **SFDP** standard or a built-in table, letting you read, write, erase, and init with simple APIs after easy config. This helps you avoid risks from Flash shortages or upgrades, boosts software reuse across projects, cuts dev time, and enables tools like programmers—saving effort on varied hardware.

https://github.com/armink/SFUD