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Top 23 C++ programming-language Projects
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carbon-lang
Carbon Language's main repository: documents, design, implementation, and related tools. (NOTE: Carbon Language is experimental; see README)
Project mention: Kickstart insight needed: A new retrofitted C dialect? | news.ycombinator.com | 2025-02-22Kind of along these lines but for C++: https://docs.carbon-lang.dev/
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Solidity
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supercollider
An audio server, programming language, and IDE for sound synthesis and algorithmic composition.
Project mention: SuperCollider: A synthesis and algorithmic composition platform | news.ycombinator.com | 2024-12-09 -
Luau (developed by Roblox) is a fork of Lua 5.1 with some very significant improvements to speed and QoL. It also alleviates the nil-terminated array problem.
https://github.com/luau-lang/luau
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Andreas (the author of ladybird) started a language[0] that would be memory-safe and in which he would eventually write SerenityOS (and I assume LadyBird too). He hasn't committed to it for 6 months now so not sure what the status is.
At the end of the day, LadyBird is still a hobby project, so one of the main objective is to have fun which does not always coincide with rationality (although the decision to move on from NIH[1] is a sign that this might be changing).
[0] https://github.com/SerenityOS/jakt
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Nutrient
Nutrient – The #1 PDF SDK Library, trusted by 10K+ developers. Other PDF SDKs promise a lot - then break. Laggy scrolling, poor mobile UX, tons of bugs, and lack of support cost you endless frustrations. Nutrient’s SDK handles billion-page workloads - so you don’t have to debug PDFs. Used by ~1 billion end users in more than 150 different countries.
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Project mention: Ask HN: What less-popular systems programming language are you using? | news.ycombinator.com | 2025-03-01
Lately I've been using: https://janet-lang.org/ It's not a systems programming language, but it can be embedded in C.
https://jank-lang.org/ looks interesting to me --I have not tried it yet. I'm not sure if this language could qualify as a systems programming language. What do you think?
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fut
Fusion programming language. Transpiling to C, C++, C#, D, Java, JavaScript, Python, Swift, TypeScript and OpenCL C.
Project mention: Fusion – A language designed to transpile to multiple popular languages at once | news.ycombinator.com | 2024-10-07 -
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Ark
ArkScript is a small, fast, functional and scripting language for C++ projects (by ArkScript-lang)
I've implemented this in ArkScript, a small scripting language I've been working on for a few years now, and this has yielded about a 10% performance improvement:
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cparse
A C++ configurable Expression Parser. Useful as a Calculator or for helping you write your own Programming Language
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xl
A minimalist, general-purpose programming language based on meta-programming and parse tree rewrites
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elena-lang
ELENA is a general-purpose language with late binding. It is multi-paradigm, combining features of functional and object-oriented programming. Rich set of tools are provided to deal with message dispatching : multi-methods, message qualifying, generic message handlers, run-time interfaces
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Project mention: Forscape – A Language and Editor for Scientific Computation | news.ycombinator.com | 2024-10-15
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Project mention: Polars Cloud: The Distributed Cloud Architecture to Run Polars Anywhere | news.ycombinator.com | 2025-03-07
Statically typed dataframes are exactly why I created the Empirical programming language:
https://www.empirical-soft.com
It can infer the column names and types from a CSV file at compile time.
Here's an example that misspells the "ask" column as if it were plural:
let quotes = load("quotes.csv") -
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
C++ programming-language discussion
C++ programming-language related posts
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Kickstart insight needed: A new retrofitted C dialect?
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Greg Kroah-Hartman Makes Compelling Case for Kernel Drivers Be Written in Rust
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Carbon Copy Newsletter No.5
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Move semantics in Rust, C++, and Hylo
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Fusion – A language designed to transpile to multiple popular languages at once
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The Beef Programming Language
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Is Carbon Language Moving Towards Success or Self-Destruction? A Case Study in Rapid Deployments
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A note from our sponsor - SaaSHub
www.saashub.com | 14 Mar 2025
Index
What are some of the best open-source programming-language projects in C++? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | carbon-lang | 32,752 |
| 2 | solidity | 24,014 |
| 3 | supercollider | 5,685 |
| 4 | luau | 4,315 |
| 5 | jakt | 2,845 |
| 6 | ispc | 2,602 |
| 7 | Beef | 2,592 |
| 8 | jank | 2,405 |
| 9 | fut | 1,793 |
| 10 | fetlang | 1,494 |
| 11 | Z-Sharp | 672 |
| 12 | Ark | 620 |
| 13 | swapview-rosetta | 490 |
| 14 | Pluto | 423 |
| 15 | cparse | 344 |
| 16 | miniscript | 303 |
| 17 | gdl | 286 |
| 18 | xl | 272 |
| 19 | the_namingless_programming_language | 241 |
| 20 | elena-lang | 240 |
| 21 | LensorCompilerCollection | 198 |
| 22 | Forscape | 183 |
| 23 | empirical-lang | 167 |
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