Software - Operating Systems - Submicrokernel - listings

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Software - Operating Systems - Submicrokernel - web pages

Unununium Operating Engine - Claimed as radical new approach to OSs: no-kernel, self-modifying cells (like objects); single address space, useful where memory and CPU power is low, and maybe for AI. Written in self-modifying, modular assembly language. [Open Source, BSD]

Adrenaline - Created to build a very fast, reliable operating system core. Small, student-developed OS, based on MIT Exokernel. Goals: speed, reliability. In early development. A GUI will be added later. [Open Source, GPL]

MIT Exokernel OS - Puts applications in control, runs 10x or more faster. Exopc and XOK versions run on x86 PCs. ExOS library gives user-level extensible implementation of Unix OS, so most applications compile and run with no change. Download. [Open Source, MIT]

Elysium - Main idea: enforce no abstractions, rather, have them as options, to all levels of system: hardware, kernel and file services, ways users interact with system; based on exo principles. Descriptions, news. [Open Source]

Exokernel: An Operating System Architecture for Application-Level Resource Management - Traditional OSs limit application performance, flexibility, functionality by fixing interfaces and implementations of OS abstractions such as interprocess communication and virtual memory. Exokernel address this via application-level management of physical resources. [ResearchIndex]

dr'ex - Kernel with architecture like exokernel but varies from such where simplicity can be had, coded in C/Assembly. Early development. [Open Source, GPL]

Miranda: SourceForge - Downloads, announcements, and a forum. Programming languages: Assembly, C, and C++.

Miranda - Planed features: Exokernel architecture, object-oriented, POSIX compliant, intuitive GUI, and best technologies: journaled main filesystems, LibOS modular library. Development documentation. [Open Source, LGPL]

miray Software - Makes µnOS: 72k microkernel on 8k nanokernel client/server architecture based on OOP framework, symmetric multithreading, multitasking, priority based scheduling, fully interruptible, separated address spaces, and full memory protection. Free download.

Exokernel: An Operating System Architecture for Application-Level Resource Management - Summary of paper mentioning overview and design issues.

TUNES Project: No-Kernel - Unique description of operating systems without kernels, links.

dr'ex: SourceForge - Information, news, forum, CVS, downloads. [Open Source, GPL]