HelenOS
HelenOS is an operating system. It is made by staff and students of the Mathematical and Physical Faculty of Charles University in Prague. It is running on some architectures.
| OS family | Multiserver operating systems |
|---|---|
| Source model | Open source |
| Latest release | 0.8.0 / December 19, 2018 |
| Repository | |
| Platforms | IA-32, AMD64, IA-64, ARM, MIPS, PowerPC, SPARC V9 |
| Kernel type | Microkernel |
| License | BSD |
| Official website | www |

Technical overview
HelenOS is a microkernel operating system, which supports multitasking, memory management, inter-process communication and symmetric multiprocessing. File system, device drivers and other services are implemented like user processes. It can run on some architectures like IA-32, x86-64, SPARC V9, IA-64, Power PC, ARM and MIPS.
License of the source code is BSD license.
History
Jakub Jermář made HelenOS as a student project at the University. A few years later worked on the HelenOS kernel group of students and some students are using it for self-education of programming until now. In 2011 the project HelenOS took part on Google Summer of Code.[1]