Requestly
Charles Proxy
Fiddler
HTTP Toolkit
Header Editor
Proxyman.io
EditThisCookie
Free browser extension to modify HTTP request and response headers. No sign-up. Works on Chrome, Firefox, and Edge.

Crystal (programming language)
Go Programming Language
D (Programming Language)
C++
V (programming language)
Zig
Lua
The Nim programming language is a concise, fast programming language that compiles to C, C++ and JavaScript.

Which is more popular?
Based on our record, Nim (programming language) seems to be more popular. It has been mentioned 167 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | app.modheader.com | nim-lang.org |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using modheader and Nim (programming language). For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.

On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We...
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Recommendations tracked on public social media and blogs since March 2021.

Tracking modheader since Aug 2026.
It should be back up now! And being managed by the service manager now instead of running in a shell, so it should stay up. The one and only web host [2] written in Nim [0], running on Sprite [1] ;-) [0] http://nim-lang.org/ [1]... - Source: Hacker News / about 1 month ago
There's nim [1] which is aiming for the same thing - syntax similar to python and performance similar to C++, zig etc. 1 - https://nim-lang.org/. - Source: Hacker News / 3 months ago
> GC languages are slower This is not necessarily true. It depends on a language, e.g. Go is slow, Nim[0] is extremely fast with conventional GC and slightly faster with ARC/ORC[1]. GC programs can be faster than manually managed ones in... - Source: Hacker News / 3 months ago
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D is a language with C-like syntax and static typing.
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