RT-Thread | An Open Source Embedded Real-time Operating System

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Rich Components

Device virtual file system

Supports FAT, UFFS, NFSv3, ROMFS, RAMFS, etc.

Device management framework

Uses a unified interface to access the hardware peripherals.

Low power management framework

The system can go to sleep mode automatically, and supports dynamic voltage and frequency scaling.

Hardware encryption &decryption framework

Supports algorithms such as hash, symmetric, gcm, etc.

Protocol stack

Supports Ethernet, Wi-Fi, Bluetooth, NB-IoT, 2G | 3G | 4G, Http, MQTT, and LwM2M, etc.

Remote upgrade FOTA

Safe and reliable, and which supports encryption, anti-tampering, breakpoint resume, intelligent restoration, backtracking and other mechanisms.

Dynamic modules

The dynamic modules and the kernel can be compiled separately, and at runtime, the compiled dynamic modules are loaded into the kernel to run.

Third-party components

Support Yaffs2, Sqlite, FreeModbus, Canopen, etc.

Great Portability & Software Ecology

Supports mainstream chip architecture

Such as ARM Cortex-M, MIPS, X86, Xtensa, C-Sky, RISC-V, ARC, etc.

Unified interface specification

Various MCUs and their peripheral interfaces are highly abstracted and the programming interfaces are unified.

POSIX interface

Easy to port Linux or Unix programs to RT-Thread. Support for File I/O, Signals, PThreads, IPC, etc.

Seamless application migration

Follows highly reusable software design principles, one-time programming, permanent use.

Multiple compiling tools

Such as Keil, IAR, GCC, Eclipse, Visual Studio and RT-Thread Studio development environment, etc.

Rich BSPs and porting templates

Lots of BSPs as well as porting templates that can be quickly ported to the target chip based on the porting template.

Tiny & Elegant

Small in Size

RT-Thread has a Nano version with a very small size and refined hard real-time kernel, which requires only 3KB of ROM and 1.2 KB of RAM.

Feature-rich

RT-Thread has rich features, such as, hard real-time scheduler, thread management, interthread synchronization and communication, clock management, interrupt management, memory management, etc.

RT-Thread Studio

RT-Thread studio is one-stop development tool, it has easy-to-use graphical configuration system and a wealth of software packages and components resources, which makes IoT development simple and efficient.

Community version is free forever.
Easy-to-use engineering creation wizard can quickly validate prototypes.
Brand new graphical configuration system, which supports both schema diagram and tree diagram configuration.
Software package market offers a variety of package resources.

Learn More

Latest News

News

News | Jan.12.2022

RT-Thread Announces Partnership with Open Source LVGL

RT-Thread is thrilled to start an exciting journey with LVGL, the open-source graphics library for embedded GUI.

Blog

Blog | Nov.30.2023

RT-Thread Simulator to Build LVGL Development Debugging Environment

● This project is working with RT-Thread v4.1.0, the latest LVGL graphics libraries can be supported through simple configuration, LVGL graphics libraries are added to the project as a package!

Announcement

Announcement | Oct.27.2023

RT-Thread Meetup Hosting Program

In 2023 RT-Thread successfully hosted meetups in 10 cities, marking a significant milestone with our first-ever meetup outside of China, held in Singapore. We are deeply grateful for the unwavering support and contributions from our community that made this possible.