Open Source C Virtual Machine Software

crosvm (ChromeOS Virtual Machine Monitor) is a secure, lightweight virtual machine monitor built on top of the Linux KVM hypervisor. Developed for ChromeOS, it is designed to isolate and execute Linux and Android guests efficiently while maintaining strong security boundaries. Unlike general-purpose emulators like QEMU, crosvm avoids full hardware emulation and focuses on modern paravirtualized I/O using the virtio standard, reducing complexity and attack surface. Written in Rust, it emphasizes memory safety and modularity, allowing sandboxed device emulation with fine-grained privilege separation. crosvm underpins several ChromeOS subsystems, including Android Runtime for Chrome (ARCVM) and Crostini Linux containers, enabling rich application compatibility within a tightly controlled environment.

TiEmu is an emulator of Texas Instruments hand-helds (TI89/92/92+/V200) for Linux & Windows written with GTK. Full-featured with a graphical debugger.

kvm, or kernel-based virtual machine, is a device driver and userspace component for Linux that utilizes hardware virtualization extensions such as Intel's VT to create virtual machines running on a Linux host.

X11-Basic is a dialect of the BASIC programming language with graphics capability that integrates features like shell scripting, cgi-Programming and full graphical visualisation into the easy to learn basic language on modern computers.

A PSP porting of SUN's phoneMEFeature (https://phoneme.dev.java.net/) project, to enable MIDP/JavaME applications running on PSP. You can also find phoneMEAdvanced PSP porting from another project: pspME(https://sourceforge.net/projects/pspme)

The open-vm-tools project provides a suite of open source virtualization utilities and drivers to improve the functionality and user experience of virtualization. The project currently runs in guest operating systems under VMware virtualization.

Brings Erlang, Elixir and other functional languages to really small systems. AtomVM implements from scratch a minimal Erlang VM that supports a subset of ErlangVM features and that is able to run unmodified BEAM binaries on really small systems like MCUs. There is much more information, including a more complete "Getting Started Guide," extensive documentation, examples, and contact information available on the AtomVM project website. AtomVM aims to be easily portable to new platforms with a minimum effort, so additional platforms might be supported in a near future. AtomVM is still in its early stages, but it can run simple applications similar to those available in examples and tests. This basically means that an instruction has not been implemented yet, or that an outdated version has been used. Please, make sure to always run AtomVM using latest version.

The Ring is a practical general-purpose multi-paradigm language. The supported programming paradigms are imperative, procedural, object-oriented, declarative using nested structures, functional, meta programming and natural programming. The language is portable (MS-DOS, Windows, Linux, macOS, Android, WebAssembly, Microcontrollers, etc.) and can be used to create Console, GUI, Web, Games and Mobile applications. The language is designed to be simple, small and flexible. Ring is distributed as a Free-Open Source project under the MIT License.

This program emulate the Sega's System 16 arcade boards used by many Sega arcade game between 1987 & 1989 like Shinobi, Altered Beast or E-Swat. There is more than 20 existing System 16 games. The System 16 board uses a Motorola 68000 cpu at 10Mhz for the main program and a Z80 and on YM2151 for the sound. The actual version of the emulator emulate many more than the single System 16 board because now you can play with System 18 games like Shadow Dancer, with pre-System 16 games like Quartet II and even with some dual 68000 games like Hang-On and Space Harrier. This program is an emulator and it needs roms to run, please, don't e-mail be to get roms, i'll ignore your requests !

HaikuVM has been started for hobbyists who develop applications for ARDUINO to open the world of JAVA and leJOS. Yes, you can program an ARDUINO with JAVA! HaikuVM is so small that it even runs on an atmega8 (and the ASURO robot). And yes, you can program an ASURO robot with JAVA! And since version 1.4.0 the RCX lego brick.

Yet another Tetris clone. It features up to 4 simultaneous players, 5 customizable play modes, a piece editor and player profiles (high scores and statistics). Customizable skin, music and background

***** XMHF is no longer in active development. It is superseded by uberXMHF (uber eXtensible Micro-Hypervisor Framework) which is available at: http://uberxmhf.org ***** XMHF is an eXtensible and Modular Hypervisor Framework that strives to be a comprehensible and flexible platform for performing hypervisor research and development. The framework allows others to build custom (security-sensitive) hypervisor-based solutions (called "hypapps"). XMHF advocates a "rich" single-guest execution model where the hypervisor framework supports only a single-guest and allows the guest direct access to all performance-critical system devices and device interrupts. XMHF currently runs on recent multicore x86 hardware virtualized platforms with support for dynamic root of trust and nested (2-dimensional) paging. The framework is capable of running unmodified legacy multiprocessor capable OSes such as Windows and Linux. Documentation available at: http://xmhf.sourceforge.net/doc

vmdkutil is a utility to manage VMware sparse virtual disk files (.vmdk), creating, cloning, merging, etc.

OS9exec - execution environment for OS-9/68k user-mode programs on MacOS9 / MacOSX / Windows and Linux host OS. (OS-9 is an RTOS of Microware/Radisys)

Clipper/XBase compatible compiler with initial support other xBase dialects. Multitasking, OOP,SIX/Comix, SQL and ODBC drivers,a C-API for third-party developers, a few wrappers for popular libraries (such as BZIP, GZIP, GD, Crypto, and Fcgi), ....

GXemul is a full-system computer emulator, emulating processors (ARM, MIPS, M88K, PowerPC, and SuperH) and surrounding peripherals, in some cases well enough to let unmodified guest operating systems run as if they were running on real hardware.

The user-mode kernel port is a port of the Linux kernel which runs in a set of processes. The result is a user-mode virtual machine and a kernel which can be debugged and developed using all of the usual process-level tools.

Jainja is a JVM (Java Virtual Machine) written in Java. The VM is developed by using the smallest possible subset of Java in order to run on top of multiple environments : Java SE, JavaME, Android, Javascript, and even natively.

BitVisor is a tiny hypervisor initially designed for mediating I/O access from a single guest OS. Its implementation is mature enough to run Windows and Linux, and can be used as a generic platform for various research and development projects.

Tcl9 is an umbrella for all projects related to the improvement of the current Tcl language, towards the hypothetical version 9 (current version is 8.5).

The Virtual Motherboard provides a specification of a TCP/IP based system bus, a motherboard simulator implementing this specifaction, and a collection of reusable device simulators. It is the perfect start to build new custom hardware simulators.

A general purpose, object-oriented script language that compiles into code for a register based virtual machine. The language is quite similar to object-oriented high-level languages like Java and C#. The library is entirely self-sufficient and ANSI C compliant. It's main purpose is to be embedded in any application to allow automation of that application through scripting. An integrated C++ binding code generator allows you to create bindings for your application's classes in seconds. The integrated HTML documentation generator allows you to create documentation for your native bindings in seconds. The project is released under the zlib/libpng license. It has been in development for over 10 years and offers some powerful features. Extensive information, documentation, articles and code examples can be found at the developer blog.

This is a dynamic slicing tool for Java programs. The tool modifies the Kaffe virtual machine to collect the execution trace, and compress the trace on-the-fly. Please proceed to the tool's website http://jslice.sourceforge.net/ for download.

Luvalley is a lightweight type-1 Virtual Machine Monitor (VMM) with novel architecture, to enable any OS to host virtual machines as pure applications by utilizing hardware virtualization extensions such as Intel VT and AMD-V.

Dao is a lightweight and optionally typed programming language with many interesting features. It includes features that can make concurrent programming much simpler. It has well designed programming interfaces for easy embedding and extending.