--- title: LynxOS 178 RTOS Reviews meta_title: 'LynxOS 178 RTOS Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 14 reviews by the users' company size, role or industry to find out how LynxOS 178 RTOS works for a business like yours. aggregate_rating: rating_value: 4.4 review_count: 14 scale: '5' date_modified: '2026-07-13' parent_category: name: IT Infrastructure url: https://www.g2.com/categories/it-infrastructure --- # LynxOS 178 RTOS Reviews **Vendor:** Lynx Software Technologies **Category:** [Operating Systems](https://www.g2.com/categories/operating-system) **Average Rating:** 4.4/5.0 **Total Reviews:** 14 ## About LynxOS 178 RTOS LynxOS-178 is a commercial off-the-shelf (COTS) real-time operating system (RTOS) designed to meet the stringent requirements of safety-critical systems, particularly in avionics. It supports x86, Arm, and PowerPC platforms and is built upon open standards, ensuring compatibility and flexibility for developers. LynxOS-178 provides security and safety through strict, hardware-enforced isolation between real-time processes, applications, and the RTOS kernel services and drivers. Key Features and Functionality: - Safety Certification: LynxOS-178 has been certified multiple times to DO-178C Design Assurance Level A (DAL A), the highest level of safety certification for airborne systems. - Standards Compliance: The RTOS is fully compliant with ARINC 653, POSIX, and the Future Airborne Capability Environment (FACE) standards, facilitating software portability and reuse across different platforms. - Reusable Software Component (RSC): LynxOS-178 is the first and only time- and space-partitioned RTOS to have obtained an RSC award from the Federal Aviation Administration (FAA), allowing developers to reuse previously certified software components, thereby reducing certification costs and time. - Hardware Support: It supports multicore processors across x86, Arm, and PowerPC architectures, providing flexibility in hardware selection. - Partitioning: The RTOS offers time, space, and resource partitioning, ensuring that faults or overloads in one partition do not affect others, thereby enhancing system reliability and security. Primary Value and Problem Solving: LynxOS-178 addresses the critical need for a reliable, certifiable RTOS in safety-critical applications, particularly in the aerospace and defense industries. By adhering to open standards and achieving high-level safety certifications, it enables developers to create systems that are both secure and interoperable. The RSC certification significantly reduces the time and cost associated with the certification process, allowing for faster development cycles and more efficient resource utilization. Additionally, its support for multiple hardware architectures and compliance with industry standards ensure that LynxOS-178 can be seamlessly integrated into a wide range of systems, providing a robust foundation for mission-critical applications. ## LynxOS 178 RTOS Pros & Cons **What users like:** - Users value the **high reliability and safety** of LynxOS 178 RTOS, essential for critical applications like avionics. (3 reviews) - Users appreciate the **compatibility with POSIX standards** , making development straightforward for safety-critical applications. (1 reviews) - Users commend the **commitment to open standards** in LynxOS 178 RTOS, enhancing its reliability for critical applications. (1 reviews) - Users commend the **high reliability** of LynxOS 178 RTOS, vital for safety-critical applications like avionics and defense. (1 reviews) - Users praise the **impressive real-time performance** of LynxOS 178 RTOS, ideal for safety-critical applications. (1 reviews) - Stability (1 reviews) **What users dislike:** - Users face **high costs and complexity** with LynxOS 178 RTOS, making customization and avoiding vendor lock-in difficult. (1 reviews) - Users are frustrated with the **high cost** of LynxOS 178 RTOS, making it less accessible for many projects. (1 reviews) - Users face **limited customization** options with LynxOS 178 RTOS, leading to frustration and a lack of flexibility. (1 reviews) - Users find the **time-consuming development process** of LynxOS-178 RTOS hampers efficiency and flexibility in making changes. (1 reviews) ## LynxOS 178 RTOS Reviews ### 1. Rock-Solid, Predictable RTOS with DO-178C and POSIX Compliance **Rating:** 5.0/5.0 stars **Reviewed by:** Siddharth J. | Software Developer, Information Technology and Services, Mid-Market (51-1000 emp.) **Reviewed Date:** February 05, 2026 **What do you like best about LynxOS 178 RTOS?** Honestly, what I like most about LynxOS 178 RTOS is how rock solid and predictable it is. The hard real time behavoiur and DO-178C Certification make it feel built for serious, no nonsense systems. Plus the POSIX compliance makes development way less painful than you'd expect for a safety critical RTOS. **What do you dislike about LynxOS 178 RTOS?** LynxOS 178 RTOS is very strict and structured, but that's exactly what makes it so reliable. It can feel less flexible at first, yet that discpline pays off in safety critical environment. Once you are used to it, the consistency is actually reassuring. **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** LynxOS 178 RTOS solves hard real-time determinism, so I can trust timing behaviour in safety critical systems without constant fear of missing the deadlines. It also handles DO178C certification and partitioning, which save huge effort and time when working in avioinics grade envoironments. ### 2. LynxOS-178 RTOS: Rock-Solid Reliability and Safety-Critical Partitioning **Rating:** 4.5/5.0 stars **Reviewed by:** Honey J. | Software Developer, Information Technology and Services, Mid-Market (51-1000 emp.) **Reviewed Date:** February 05, 2026 **What do you like best about LynxOS 178 RTOS?** The best thing about LynxOS-178 RTOS is its high level of reliability and safety. It provides strong time and memory partitioning, ensuring that one application cannot affect others. Because of this, it is widely used in safety-critical systems such as avionics and defense applications. **What do you dislike about LynxOS 178 RTOS?** One major disadvantage of LynxOS-178 RTOS is its rigid and time-consuming development process. Most system settings are statically configured, so even minor changes require reconfiguration and rebuilding. This makes development slower compared to more flexible RTOS or Linux systems. **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** LynxOS-178 RTOS addresses major problems such as system failures, unpredictable timing, and interference between applications in safety-critical systems. It uses strong time and memory partitioning to isolate applications, which benefits me by ensuring high reliability, deterministic performance, and easier certification for critical projects. ### 3. Usage experience of LynxOS 178 RTOS **Rating:** 5.0/5.0 stars **Reviewed by:** Rohit R. | Ruby on Rails Developer, Small-Business (50 or fewer emp.) **Reviewed Date:** March 01, 2024 **What do you like best about LynxOS 178 RTOS?** It used  real-time embedded system in applications for avionics, aerospace and the military to control and telecommunications. It solved many hidden problems such as time-consuming ,reduces risk and gives chance of success, also provides better resource management. It is ease of use and stability. Its design aesthetics and also easy management Its not charge mean that Free or No Cost. We can take paid license only for some operating system(OS) Its is beneficial for me. **What do you dislike about LynxOS 178 RTOS?** Dislikes of this is we can't use on a regular system. Its need linux OS installed to use. But now its is outdated and also i had been faced crashing software some time, also command facility less supportive than its competitor real time operating systems. As i notice it occupies more memory and also not support network domain when connects with IoT domain. **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** Iease of use and also stability. Its design aesthetics and also provides easy management It is Free or No Cost. We can take paid license only for some operating system(OS) Its is beneficial for me. It solved many hidden problems such as time-consuming ,reduces risk and gives chance of success, also provides better resource management. ### 4. Review for LynxOS **Rating:** 5.0/5.0 stars **Reviewed by:** Pramod C. | Mid-Market (51-1000 emp.) **Reviewed Date:** June 25, 2023 **What do you like best about LynxOS 178 RTOS?** LynxOS is one of the best real-time operating systems, which provides the best user experience, with easy-to-use and does not charge for using it. We need to take a paid license in some OS, but it's free and also good in security. **What do you dislike about LynxOS 178 RTOS?** We need a certification to meet the requirements when there is requirement-based testing. It would help if you had Linux specially installed on your system to use LynxOS. **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** It reduces the time and cost of certification efforts. It solves the problem of scheduling and crashing heavy software. We have been using lynxOS on our system for tests. ### 5. Real time operating system **Rating:** 3.5/5.0 stars **Reviewed by:** Andre J. | A&R Manager, Small-Business (50 or fewer emp.) **Reviewed Date:** October 25, 2022 **What do you like best about LynxOS 178 RTOS?** Eliminates time and cost of certification effort **What do you dislike about LynxOS 178 RTOS?** Needing certification in order to meet the requirements based testing **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** It eliminates time and cost of certification efforts ### 6. LynxOS 178 RTOS - the OS we need **Rating:** 4.5/5.0 stars **Reviewed by:** DEEKSHA G. | Cybersecurity analyst, Mid-Market (51-1000 emp.) **Reviewed Date:** August 02, 2022 **What do you like best about LynxOS 178 RTOS?** The LynxOS 178 RTOS is a real-time partitioning operating system, which optimizes the software component.Its algorithm is well scheduled, there is least crashing. **What do you dislike about LynxOS 178 RTOS?** The dislikes are you can't use it on a regular system. you need linux specially installed to put this os to use **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** It is solving the sheduling and crashing of heavy softwares ### 7. Real time partitioning operating system **Rating:** 4.0/5.0 stars **Reviewed by:** Verified User in Financial Services | Mid-Market (51-1000 emp.) **Reviewed Date:** August 22, 2022 **What do you like best about LynxOS 178 RTOS?** The real-time operating system which optimizes the software component **What do you dislike about LynxOS 178 RTOS?** It is only for commercial use needs training. **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** Linux compatibility and optimization ### 8. The best os **Rating:** 4.0/5.0 stars **Reviewed by:** AKSHAT S. | CTO, Small-Business (50 or fewer emp.) **Reviewed Date:** April 20, 2022 **What do you like best about LynxOS 178 RTOS?** The look and feel of operating system is just perfect for the use **What do you dislike about LynxOS 178 RTOS?** Nothing much but the look is quite outdated other then that it's just perfect **Recommendations to others considering LynxOS 178 RTOS:** It's best for performing penetration testing on your system **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** We have been using the lynxos to perform test on our system ### 9. Very nice OS **Rating:** 5.0/5.0 stars **Reviewed by:** Pratik G. | Web Developer, Small-Business (50 or fewer emp.) **Reviewed Date:** May 17, 2022 **What do you like best about LynxOS 178 RTOS?** very nice os for multithreading operations, it works without a hangout system **What do you dislike about LynxOS 178 RTOS?** no, any dislike things yet, works everything fine **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** very smoothness and speedily work ### 10. Good for secondary OS **Rating:** 4.5/5.0 stars **Reviewed by:** Sanjay A. | Web Developer, Mid-Market (51-1000 emp.) **Reviewed Date:** May 16, 2022 **What do you like best about LynxOS 178 RTOS?** Easy to use and UI is easily manageable compared to the primary OS. **What do you dislike about LynxOS 178 RTOS?** Crashing Software some time that need to figure out. **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** Drains Laptop Battery Quickly ### 11. Lynxos 178 RTOS is Provide best real time support in embedded avionics development **Rating:** 3.5/5.0 stars **Reviewed by:** Mahesh S. | Senior Embedded Firmware Engineer, Enterprise (> 1000 emp.) **Reviewed Date:** August 21, 2021 **What do you like best about LynxOS 178 RTOS?** It reduces the program from crashes by providing the best memory management and scheduling algorithm. It follows the firmware security standard in the POSIX environment, which is very useful in the security domain. It is portable for various microprocessors and microcontrollers environments. I like its multithreading operations facility. I like most is it back all the safety standard in critical real-time applications. **What do you dislike about LynxOS 178 RTOS?** Its command facility is significantly less supportive than its competitor's real-time operating systems. It occupies more memory and does not support the network domain where the device connects in the IoT domain. It required more Flash area to support full functionality. **Recommendations to others considering LynxOS 178 RTOS:** If any organization wants to develop a critical safety-related product, this is a beneficial RTOS to develop an embedded software application that reduces your development time and process. **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** It has resolved our safety standard firmware development where critical data transfer is significant between devices and the microprocessor target platform. Its cost also supports reducing our total product cost and provides the security to target the device against unwanted behavior. ### 12. Lynx OS is great!! **Rating:** 3.5/5.0 stars **Reviewed by:** Jenniffer M. | COO, Mid-Market (51-1000 emp.) **Reviewed Date:** December 08, 2021 **What do you like best about LynxOS 178 RTOS?** I like how program crashes are lower and that it is portable. **What do you dislike about LynxOS 178 RTOS?** Everything is great! There is nothing that I would change. **Recommendations to others considering LynxOS 178 RTOS:** This is a great OS system! **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** I am not solving any problems. I just wanted an alternate platform than Windows. I am enjoying the smoothness of how everything flows. ### 13. LynxOS User Review **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** August 24, 2021 **What do you like best about LynxOS 178 RTOS?** The UI is amazing.It makes the Work a Lot Easier **What do you dislike about LynxOS 178 RTOS?** Nothing as Such. Im Currently enjoying using it. **Recommendations to others considering LynxOS 178 RTOS:** It will Give you an Amazing experience. Just Go for It **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** It has helped me in Real Time Determination. ### 14. The best off the shelf OS that can be reused. **Rating:** 4.0/5.0 stars **Reviewed by:** Larnell M. | Principal Owner, Small-Business (50 or fewer emp.) **Reviewed Date:** July 03, 2020 **What do you like best about LynxOS 178 RTOS?** Its quick, efficient and easy and very capable. **What do you dislike about LynxOS 178 RTOS?** It has a bit of lag, but its okay for the most parts. **Recommendations to others considering LynxOS 178 RTOS:** Use this if you want peace of mind. **What problems is LynxOS 178 RTOS solving and how is that benefiting you?** Reduced programme crashing risks. Works well with long-life programs. ## LynxOS 178 RTOS Discussions - [Is LynxOS open source?](https://www.g2.com/discussions/is-lynxos-open-source) - 2 comments - [View LynxOS 178 RTOS pricing details and edition comparison](https://www.g2.com/products/lynxos-178-rtos/reviews?section=pricing&secure%5Bexpires_at%5D=2026-07-14+09%3A32%3A24+-0500&secure%5Bsession_id%5D=2f2295f6-ea98-42ea-8ba5-877961ec4241&secure%5Btoken%5D=bb7bd32166be6e787af87e142a3c1279b2e6df678d39d83d3963d5ef2dfa0b99&format=llm_user) ## LynxOS 178 RTOS Integrations - [Jenkins](https://www.g2.com/products/jenkins/reviews) ## LynxOS 178 RTOS Features **Memory Management - Operating System** - RAM management **Device Management - Operating System** - I/O management **Backup and Recovery - Operating System** - Data backup **Error Detection - Operating System** - System operations monitoring ## Top LynxOS 178 RTOS Alternatives - [Ubuntu](https://www.g2.com/products/ubuntu/reviews) - 4.5/5.0 (2,341 reviews) - [Oracle Linux](https://www.g2.com/products/oracle-linux/reviews) - 4.4/5.0 (330 reviews) - [Windows 11](https://www.g2.com/products/windows-11/reviews) - 4.5/5.0 (4,113 reviews)