
NASM
flat assembler
Easy code
Pelles C
JWasm
Yasm is a complete rewrite of the NASM assembler.

CyberChef
IT Tools
WhiteKit.dev
SamToolkit
CruxDev.tech
Devrian.in
CodeSwissKnife
Developer tools: JSON/JWT/base64, hash, regex tester, UUID, cron, timestamp, color.

Which is more popular?
Based on our record, Yasm seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | yasm.tortall.net | devsbox.tools |
| Pricing | — | |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Yasm yet.
Overall verdict
Why this product is good
Recommended for
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Spelunky Classic! Mod Review- YASM 1.7
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How often each product is chosen within a category, 0–100% relative to the other.


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


Trust me, at least on Intel, you do not want to write assembly inside your C/C++ code, unless it's just a couple of lines. The usual AT&T syntax will drive you nuts, and the additional syntax for embedding assembly only adds to the... - Source: Hacker News / almost 3 years ago
Things like yasm only have tasm support...not sure if that will be enough in your case. Source: over 4 years ago
Can also recommend the rewrite of NASM, YASM. https://yasm.tortall.net/. - Source: Hacker News / almost 5 years ago
Tracking DevsBox since Jun 2026.
When comparing Yasm and DevsBox, you can also consider the following products.

The Netwide Assembler, NASM, is an 80x86 and x86-64 assembler designed for portability and...
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A fast and efficient self-assembling x86 assembler for DOS, Windows and Linux.
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IT Tools is a free and open-source collection of handy online tools for developers & people working in IT.
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Easy Code is the visual assembly programming environment made to build 32-bit Windows applications.
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55 free formatters, converters, generators, and reference tools for developers — JSON, Base64, JWT, regex, hashes, subnets. Nothing you paste is ever uploaded.
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