
Equity Calculator
SalaryOrEquity
Startup Equity Calculator
FounderPool
Convertible Notes Calculator
Carta
Startup Return Calculator
An open-source OS for calculators
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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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ProDevtivity
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| Website | knightos.org | prodevtivity.com |
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What each product offers, as listed by its team.

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No analysis of KnightOS yet.
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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: over 4 years ago
Tracking ProDevtivity since Jul 2023.
When comparing KnightOS and ProDevtivity, you can also consider the following products.

Figure out what your equity is worth
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A tool to quantify equity as an approximate salary.
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Figure out how much equity to grant new hires in seconds.
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De-Risking startup founders by pooling equity
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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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