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An open-source OS for calculators

Connected Worker Platform for Workflow Digitization and Process Management

Which is more popular?
Based on our record, KnightOS seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | knightos.org | processnavigation.com |
| Company | — | Startup from Estonia · 1 - 9 employees · 2025 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of KnightOS yet.
ProcessNavigation is a Connected Worker SaaS platform for workflow digitization and process management in manufacturing environments. It enables production companies to standardize and digitize their business and manufacturing processes, ensuring efficiency, quality, and real-time control across...
What each product offers, as listed by its team.


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Recommendations tracked on public social media and blogs since March 2021.


It looks like your calculator is running KnightOS, a custom operating system for TI z80 calculators. If you no longer want to use it, you can reinstall TI-OS. I suggest looking at the KnightOS website for further instructions:... Source: over 3 years ago
The creator also made https://knightos.org, written in z80 asm. Source: over 4 years ago
Well, whilst it can't quite play Skyrim, because the TI is built around a z80, you can have a full operating system is you'd like. Source: almost 5 years ago
Tracking Process Navigation since Nov 2025.
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Tool to calculate how convertible notes will convert
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Carta’s platform of software and services lays the groundwork so you can focus on building the future.
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