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Open Watcom VS Open64

Compare Open Watcom VS Open64 and see what are their differences

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Open Watcom logo Open Watcom

Open Watcom is a project of the open source community to maintain and enhance the Watcom C, C++, and Fortran cross compilers and tools.

Open64 logo Open64

Open64 is an open source, optimizing compiler for the Itanium and x86-64 microprocessor...
  • Open Watcom Landing page
    Landing page //
    2023-02-21
  • Open64 Landing page
    Landing page //
    2019-11-06

Open Watcom videos

+ Add

2017-11-12 -- Hello World for Windows 9x-XP-7 with Open Watcom C

More videos:

  • Review - Integration of Open Watcom C++ compiler for ScaLib BDP project ( VTR-038 )

Open64 videos

+ Add

AMD x86 Open64 Compiler Suite Team Insights

More videos:

  • Review - LINPACK benchmark on Itanium 2 @ 1.3 GHz (Visual C++, GCC, Open64, HP C)
  • Review - AMD x86 OPEN64 Compiler

Category Popularity

0-100% (relative to Open Watcom and Open64)

Open Watcom

Open64

IDE
58 58%
IDE
42% 42
Email Marketing
58 58%
Email Marketing
42% 42
CRM
53 53%
CRM
47% 47
Cross-Channel Marketing Automation
100 100%
Cross-Channel Marketing Automation
0% 0

User comments

Share your experience with using Open Watcom and Open64. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Open Watcom seems to be more popular. It has been mentiond 2 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Open Watcom mentions (2)

  • Revisiting Borland Turbo C/C++, A Great IDE back in the 90s – CodeProject
    Https://web.archive.org/web/20230315024557/http://www.columbia.edu/~em36/ntvdmx64.html Or just run dosbox for full and isolated emulation. Full circle, there's also djgpp and openwatcom for semi-modern retro development. https://www.delorie.com/djgpp https://openwatcom.org I collect retro compilers, programming books, software, and hardware. - Source: Hacker News / about 1 year ago
  • I want to start learning how to program DOS games
    I recommend using Open Watcom, particularly the Open Watcom V2 fork, to target 32-bit protected mode DOS, rather than 16-bit real mode. Source: almost 2 years ago

Open64 mentions (0)

We have not tracked any mentions of Open64 yet. Tracking of Open64 recommendations started around Mar 2021.

What are some alternatives?

When comparing Open Watcom and Open64, you can also consider the following products

clang - C, C++, Objective C and Objective C++ front-end for the LLVM compiler.

GNU Compiler Collection - The GNU Compiler Collection (GCC) is a compiler system produced by the GNU Project supporting...

Portable C Compiler - pcc is a C99 compiler which aims to be small, simple, fast and understandable.

LLVM - LLVM is a compiler infrastructure designed for compile-time, link-time, run-time, and...

Tiny C Compiler - The Tiny C Compiler is an x86, x86-64 and ARM processor C compiler created by Fabrice Bellard.

zapcc - zapcc is a caching C++ compiler based on clang, designed to perform faster compilations

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