Neptune OS: A Windows NT-like operating system built on the seL4 microkernel
☆458Sep 19, 2026Updated this week
Alternatives and similar repositories for NeptuneOS
Users that are interested in NeptuneOS are comparing it to the libraries listed below. We may earn a commission when you buy through links labeled 'Ad' on this page.
Sorting:
- An OS/2 "emulator" for Linux.☆51Feb 23, 2024Updated 2 years ago
- osFree - open source Operating System/2 clone, usermode parts.☆150Updated this week
- A free Windows-compatible Operating System☆60Aug 25, 2026Updated 3 weeks ago
- Quibble - the custom Windows bootloader☆2,445Jun 23, 2024Updated 2 years ago
- Open-source DirectX Graphics Infrastructure reimplementation☆17May 20, 2025Updated last year
- Virtual machines for every use case on DigitalOcean • AdGet dependable uptime with 99.99% SLA, simple security tools, and predictable monthly pricing with DigitalOcean's virtual machines, called Droplets.
- Mesa3D port for Windows 9x☆91Jul 5, 2026Updated 2 months ago
- Genode OS Framework (migrated to https://codeberg.org/genodelabs/genode)☆1,249May 20, 2026Updated 3 months ago
- Windows Mobile Emulator source code that MS released. Modified to work with VS2022.☆16Mar 11, 2023Updated 3 years ago
- Just Monika☆99May 16, 2026Updated 4 months ago
- Pragmatic microkernel-based OS with fully asynchronous I/O☆1,979Updated this week
- Get PC BIOS back on UEFI only systems.☆950Updated this week
- PowerPC Windows NT ported to Power Macintosh systems☆698Dec 21, 2024Updated last year
- (ABANDONED) Itanium (IA64) Emulator written from scratch in Go built to run IA64 Windows Executables (and potentially more!)☆57Jan 18, 2023Updated 3 years ago
- Component Architecture test suite and example apps.☆36Jul 22, 2026Updated last month
- GPUs on demand by Runpod - Special Offer Available • AdRun AI, ML, and HPC workloads on powerful cloud GPUs—without limits or wasted spend. Deploy GPUs in under a minute and pay by the second.
- 386MAX Memory Manager for DOS☆140Jul 5, 2022Updated 4 years ago
- windows emulator☆709May 11, 2026Updated 4 months ago
- ExectOS Operating System☆139Updated this week
- An experimental dotnet based kernel☆39Nov 8, 2025Updated 10 months ago
- xMach (Mach4+Lites) cloned from Sourceforge CVS☆24May 28, 2026Updated 3 months ago
- A Tiny Linux-Compatible Kernel☆3,130Updated this week
- Microkit - A simple operating system framework for the seL4 microkernel☆201Updated this week
- No-assurance libraries for rapid-prototyping of seL4 apps.☆60Updated this week
- Run DOS programs under linux:☆729Updated this week
- AI Agents on DigitalOcean Gradient AI Platform • AdBuild production-ready AI agents using customizable tools or access multiple LLMs through a single endpoint. Create custom knowledge bases or connect external data.
- PumpkinOS is a re-implementation of PalmOS.☆812Updated this week
- Rust support for seL4 userspace☆214Aug 27, 2026Updated 3 weeks ago
- An attempt of making UWP apps work using a custom shell.☆23Sep 10, 2024Updated 2 years ago
- WineD3D port for Windows 9x☆56Jun 30, 2025Updated last year
- a small kernel☆20Apr 15, 2023Updated 3 years ago
- Implementation of the VMem Resource Allocator☆18Mar 3, 2023Updated 3 years ago
- PowerPC Windows NT ported to Nintendo GameCube/Wii/Wii U☆801Feb 26, 2026Updated 6 months ago
- Run Microsoft Windows NTVDM (DOS) on 64bit Editions☆952Aug 28, 2026Updated 3 weeks ago
- Library and tools to access the Resilient File System (ReFS)☆199Updated this week
- End-to-end encrypted cloud storage - Proton Drive • AdSpecial offer: 40% Off Yearly / 80% Off First Month. Protect your most important files, photos, and documents from prying eyes.
- Use https://github.com/elliotnunn/tbxi instead!☆31Jun 2, 2023Updated 3 years ago
- 16-bit Windows (Windows 1.x, 2.x, 3.0, 3.1, etc.) on 64-bit Windows☆3,422Updated this week
- progman.exe^H^H^H^H☆593Updated this week
- Open Source NetWare SMP File System for Linux, Windows, and DOS☆18May 22, 2025Updated last year
- NeXTSTEP-like desktop environment for Linux☆2,103May 27, 2026Updated 3 months ago
- All-new engine of the @GreenteaOS☆256Nov 23, 2025Updated 9 months ago
- A portable microkernel-based multiserver operating system written from scratch.☆1,587Updated this week