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features
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support

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Description

Developed in collaboration with top chip manufacturers over a span of 15 years, FreeRTOS is now downloaded approximately every 170 seconds and stands as a top-tier real-time operating system (RTOS) tailored for microcontrollers and small microprocessors. Available at no cost under the MIT open source license, FreeRTOS encompasses a kernel along with an expanding collection of IoT libraries that cater to various industries. Prioritizing reliability and user-friendliness, FreeRTOS is renowned for its proven durability, minimal footprint, and extensive device compatibility, making it the go-to standard for microcontroller and small microprocessor applications among leading global enterprises. With a wealth of pre-configured demos and IoT reference integrations readily available, users can easily set up their projects without any hassle. This streamlined process allows for rapid downloading, compiling, and quicker market entry. Furthermore, the ecosystem of partners offers a diverse range of options, including both community-driven contributions and professional support, ensuring that users have access to the resources they need for success. As technology continues to evolve, FreeRTOS remains committed to adapting and enhancing its offerings to meet the ever-changing demands of the industry.

Description

The Keil RTX is a deterministic, royalty-free real-time operating system tailored for ARM and Cortex-M devices, enabling the development of applications that can handle multiple tasks concurrently, resulting in more organized and maintainable code. This RTOS comes with source code, allowing for greater flexibility in programming. While it is feasible to implement real-time applications without an RTOS by using a Super-loop to run one or more functions, doing so can lead to various challenges related to scheduling, maintenance, and timing, all of which are efficiently managed by the Keil RTX. For those interested in understanding the benefits of an RTOS compared to a Super-loop approach, a detailed comparison highlights the advantages of adopting an RTOS. Additionally, Keil RTX offers high-speed real-time operations with minimal interrupt latency and a compact footprint suitable for resource-limited systems. It supports an unlimited number of tasks, each capable of having up to 254 levels of priority, as well as an infinite number of mailboxes, semaphores, mutexes, and timers, making it an ideal choice for applications requiring multithreading and thread-safe functionality. Overall, the Keil RTX provides developers with a powerful toolset for creating efficient and robust real-time applications.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

AWS IoT Device Defender Yes 
Coco Code Coverage Yes 
Cypress Yes 
Golioth Yes 
Green Hills Optimizing Compilers No 
Keil MDK No 
MPLAB Harmony v3 Yes 
Pelion IoT Connectivity Yes 
Percepio Yes 
RaimaDB Yes 
Rapita Verification Suite Yes 
TimeMachine No 
eXtremeDB Yes 
fAST Dynamic Yes 
µVision IDE No 

Integrations

AWS IoT Device Defender No 
Coco Code Coverage No 
Cypress No 
Golioth No 
Green Hills Optimizing Compilers Yes 
Keil MDK Yes 
MPLAB Harmony v3 No 
Pelion IoT Connectivity No 
Percepio No 
RaimaDB No 
Rapita Verification Suite No 
TimeMachine Yes 
eXtremeDB No 
fAST Dynamic No 
µVision IDE Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac No 
Linux Yes 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours Yes 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars Yes 
Live Training (Online) No 
In Person Yes 

Vendor Details

Company Name

FreeRTOS

Founded

2010

Website

www.freertos.org

Vendor Details

Company Name

Arm

Founded

2005

Country

United States

Website

www.keil.com/arm/rl-arm/kernel.asp

Product Features

IoT

Application Development No 
Big Data Analytics No 
Configuration Management No 
Connectivity Management No 
Data Collection No 
Data Management No 
Device Management No 
Performance Management No 
Prototyping No 
Visualization No 

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