Open Source 19
Java 11
Oberon 58
Smalltalk 287
Amoeba 2
Archy 13
AtheOS 12
Croquet 28
FullPliant 8
GEOS 21
Harmony 1
Jbed 1
OS-400 104
PURE 3
REBOL-IOS 120
Self 16
Squeak 112
Syllable 9
Tao Intent
TinyOS 14
TUNES 3
V2 OS 7
| | Language-OS Hybrids - Languages, Programming, Computers 8
Object-Oriented - Languages, Programming, Computers 45
Object-Oriented - Methodologies, Programming, Computers 42
Object-Oriented - Software, Computers 28
Extensible - Operating Systems, Software, Computers 5
Microkernel - Operating Systems, Software, Computers 134
Research - Operating Systems, Software, Computers 3
Submicrokernel - Operating Systems, Software, Computers 12
 ApertosApertos
 Object-oriented reflective OS, from Sony Computer Science Lab.
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AtheneAthene
 Next generation, commercial, kernel independent, all object and component based computing environment and OS that users can design to their specifications. Backend is built to run in almost any environment.
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AtomatrixAtomatrix
 Multithreaded execution system of atomic matrices with dynamic compiler, a network environment, and an object-oriented OS. Open source, BSD.
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Choices Object-Oriented Operating SystemChoices Object-Oriented Operating System
 Research OS coded in C++, architecture organized as frameworks of objects hierarchically classed by function, performance; customized by replacing subframeworks, objects; application interface is kernel objects exported via application/kernel protection layer; kernel and application objects examined via application browsers; runs on bare hardware on distributed and parallel computers. Virtual Choices (VChoices) also runs under Unix System V.
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Iguana ProjectIguana Project
 Investigating use of object-orientation, computational reflection, and metaobject protocols (MOPs) to support dynamic customizing of (system) software.
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MarutiMaruti
 Goal: create an environment for developing and deploying critical applications with hard real-time constraints in a reactive environment. Such applications must be able to execute on a platform of distributed and heterogeneous resources, and operate continuously in the presence of faults.
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MK++MK++
 Mach compatible microkernel; gives one code base able to support high assurance, scalability, realtime, distribution, SMP, fault handling, performance; all built in an object-oriented B3 evaluable fashion.
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RenaissanceRenaissance
 Multiprocessor OO OS purely designed and implemented in object-oriented techniques, to give application programs transparent access to system and remote objects distributed in a network of machines. OO programming is an ideal approach for building distributed systems. Runs on Sun SPARC, Encore Multimax multiprocessor.
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ShagOSShagOS
 Portable object-oriented microkernel OS, dynamically loaded device drivers, fully redesigned and rewritten many times in C++, runs on VAX, x86. Ongoing experiment in using O-O paradigm as framework for full OS, with distributed computing as main aspect in most design decisions.
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SOS: SOMIW Object-Oriented Operating SystemSOS: SOMIW Object-Oriented Operating System
 Most interesting research results: simple, generic, powerful object model; the concept of Fragmented Objects to structure distributed abstractions; developed flexible naming service, dynamic linking package, library of application oriented communication protocols.
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TornadoTornado
 Object-oriented operating system for large-scale shared-memory multiprocessors. Minimizes data sharing via careful design: often eliminates data sharing even when sharing appears natural. Successor to Hurricane.
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XOSXOS
 Distributed operating system, to be fully object-oriented, preemptively multithreaded/tasked, event/message-driven. Little code yet, but design documents and links are interesting, useful reading.
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