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KnightOS

knightos.orgInfrastructure

No liveness check has reached it yet; it is registered on GitHub and has been in the index since 9 Oct 2026. How this is checked

KnightOS is an open-source operating system designed for programmable calculators. It provides a calculator runtime, SDK, package ecosystem, and documentation for users and contributors building calculator software.

Inferred · not functionally tested

Open SourceWebSelf-hosted
KnightOS preview
Visit knightos.org
1.3kstars
181forks
5features
2012since

Overview

5 features

Purpose: Providing a customizable open-source operating system and development environment for programmable calculators.

Inferred · not functionally tested

Audience: calculator programming hobbyists and embedded-systems developers

Inferred · not functionally tested

Functions: Unknown

Interfaces: API: unknown · MCP: unknown · CLI: unknown · Self-hosting: indicated (inferred, not tested)

Recorded constraints: pricing: open_source · license: Open Source · platforms: WEB · deployment: browser, self_hosted

Constraint provenance is unknown; confirm requirements with the publisher.

Record sources: knightos.org · github.com. These links do not verify the individual claims.

In the Embedded, firmware & hardware design space, KnightOS takes a focused approach. Inferred · not functionally tested: It focuses on providing a customizable open-source operating system and development environment for programmable calculators. Inferred · not functionally tested: KnightOS is an open-source project aimed at calculator programming hobbyists and embedded-systems developers. Basis unknown · not verified: The project is open source (Open Source). Basis unknown · not verified: It ships for the web, and it can be self-hosted.

It is developed by KnightOS contributors, and it first shipped in 2012. Development happens publicly on GitHub with 1.3k stars. Inferred · not functionally tested: Key capabilities include calculator operating system, SDK, and package management.

Summary written by a language model from the project’s public pages.

Tasks: Inferred · not functionally tested

  • Calculator operating system
  • SDK
  • Package management
  • Documentation
  • Community chat

Topics: Inferred · not functionally tested

Tags
calculator-osembedded-systemsz80-developmentopen-source-firmware

JSON profile · Text profile · Access guide

Built with & integrations

Runs on
BrowserSelf-hosted

Trust & compliance

License
Open Source
Public signals
HTTPSOpen SourceFree tierGitHub · ★ 1.3k

Indexing history

1

What PulseGate has recorded for this listing

  1. Indexed8 Oct · 20:12 UTC
    Knightos seen via Saashub
    Source: Saashub · Open

Frequently asked questions about KnightOS

What is KnightOS?
Inferred · not functionally tested: KnightOS focuses on providing a customizable open-source operating system and development environment for programmable calculators. It is catalogued under Embedded, firmware & hardware design on PulseGate.
Who is KnightOS for?
Inferred · not functionally tested: KnightOS is an open-source project built for calculator programming hobbyists and embedded-systems developers.
Does KnightOS have a free plan?
Basis unknown · not verified: Yes — KnightOS is open source under the Open Source license and free to use.
What platforms does KnightOS run on?
Basis unknown · not verified: KnightOS runs on the web. It can also be self-hosted.
Is KnightOS still maintained?
Unverified. KnightOS has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What projects are similar to KnightOS?
Similar projects tracked by PulseGate include KiCad Lens, KeyMouse®, and Design Master Software.KiCad LensKeyMouse®Design Master Software
Who makes KnightOS?
KnightOS is developed by KnightOS contributors.
How long has KnightOS been around?
KnightOS first shipped in 2012.

Also in Embedded, firmware & hardware design

Same category — not a similarity match