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Top 23 no-dependency Open-Source Projects
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Catch
A modern, C++-native, test framework for unit-tests, TDD and BDD - using C++14, C++17 and later (C++11 support is in v2.x branch, and C++03 on the Catch1.x branch)
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
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Metro-UI-CSS
Impressive component library for expressive web development! Build responsive projects on the web with the first front-end component library in Metro Style. And now there are even more opportunities every day!
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Magic Enum C++
Static reflection for enums (to string, from string, iteration) for modern C++, work with any enum type without any macro or boilerplate code
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CLI11
CLI11 is a command line parser for C++11 and beyond that provides a rich feature set with a simple and intuitive interface.
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WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
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printf
Tiny, fast, non-dependent and fully loaded printf implementation for embedded systems. Extensive test suite passing.
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Nameof C++
Nameof operator for modern C++, simply obtain the name of a variable, type, function, macro, and enum
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refl-cpp
Static reflection for C++17 (compile-time enumeration, attributes, proxies, overloads, template functions, metaprogramming).
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UNITS
a compile-time, header-only, dimensional analysis and unit conversion library built on c++14 with no dependencies.
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unordered_dense
A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion
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DragSelect
An easy JavaScript library for selecting and moving elements. With no dependencies. Drag-Select & Drag-And-Drop. – Examples:
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span-lite
span lite - A C++20-like span for C++98, C++11 and later in a single-file header-only library
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string-view-lite
string_view lite - A C++17-like string_view for C++98, C++11 and later in a single-file header-only library
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expected-lite
expected lite - Expected objects in C++11 and later in a single-file header-only library
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Project mention: Using Jolt with flecs & Dear ImGui: Game Physics Introspection | dev.to | 2024-04-17EnTT is a popular alternative to flecs for C++, which has different performance/memory characteristics.
I've also been enjoying building My First Game™ in Bevy using ECS. The community around Bevy really shines, but Flecs (https://github.com/SanderMertens/flecs) is arguably a more mature, open-source ECS implementation. You don't get to write in Rust, though, which makes it less cool in my book :)
I'm not very proud of the code I've written because I've found writing a game to be much more confusing than building websites + backends, but, as the author notes, it certainly feels more elegant than OOP or globals given the context.
I'm building for WASM and Bevy's parallelism isn't supported in that context (yet? https://github.com/bevyengine/bevy/issues/4078), so the performance wins are just so-so. Sharing a thread with UI rendering suuucks.
If anyone wants to browse some code or ask questions, feel free! https://github.com/MeoMix/symbiants
Project mention: What C++ library do you wish existed but hasn’t been created yet? | /r/cpp | 2023-07-08I'm not sure this is quite what you're asking for, but this library has been super helpful to me in the past : https://github.com/Neargye/magic_enum
Book: CLI11 book
Project mention: Out of bounds memory access in V8 in Google Chrome prior to 120.0.6099.224 | news.ycombinator.com | 2024-01-25You'd be surprised how much friction you'd have for C++ reflection. First, since it's a custom build step, you can do a mix of custom code gen and C++ constexpr/consteval for static reflection. Here's a header-only implementation for adding compile time reflection purely within the language [1]. And v8 already does dynamic code gen as part of its build process (to generate the snapshot to speedup instantiation of the isolate). Dynamic reflection is a must since JS is a dynamic language with reflection support.
Now of course, I don't know the specific details of reflection needed for the abstractions you reference and clearly V8 is still doing some amount of manual IR generation, so it's possible it would be a substantial investment to actually retrofit those techniques into v8. One would have to do a careful analysis of historical security exploits & specific techniques and their ability to prevent to figure out if it's worth adding those abstractions (especially since there is a potential performance tradeoff as you mention). As I said, I think there's insufficient research in this area to establish a compelling body of best practices (not to take away from the contributions of the GraalJS team to this space).
[1] https://github.com/veselink1/refl-cpp
C++ Version
Project mention: unordered_dense: A Fast & Densely Stored Hashmap And Hashset Based On Robin-Hood Backward Shift Deletion | /r/programming | 2023-07-11
Project mention: nanoprintf VS callback_printf - a user suggested alternative | libhunt.com/r/nanoprintf | 2023-08-16
Project mention: Ask HN: Looking for a project to volunteer on? (November 2023) | news.ycombinator.com | 2023-11-02Seeking: https://github.com/fwsGonzo/libriscv
This is a C++ RISC-V emulator that focuses on isolating a single process, aka userspace emulation. I am currently working mostly on binary translation, and recently I have made a push to move it from experimental state to fully supported. Another experimental feature is embedding libtcc and using that for binary translation. It is fairly fast to compile, and gives decent speedups. The challenge is what to do now that (perhaps) some low hanging fruits have been picked.
Or nonstd::expected. Personally, I would rather use output parameters and an enum result or a std::variant over std::optional, because at the very least you have the option for more specific error diagnostics.
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).
no-dependencies related posts
- Dominion ECS - the Release Candidate is out
- `DestroyJavaVM()` failing on OpenJ9?
- [Cpp] Comment testez-vous la couverture du code C ++? Y a-t-il des solutions multiplateforme viables?
- Nanoprintf – The smallest public printf implementation for its feature set
- Is there a std::string::split or something similar?
- How should I go about implementing printf-like function in my library?
- Dominion VS Artemis, the missing benchmarks (link in the comments)
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Index
What are some of the best open-source no-dependency projects? This list will help you:
| Project | Stars | |
|---|---|---|
| 1 | Catch | 17,995 |
| 2 | entt | 9,447 |
| 3 | byob | 8,753 |
| 4 | Metro-UI-CSS | 6,997 |
| 5 | flecs | 5,496 |
| 6 | Magic Enum C++ | 4,403 |
| 7 | CLI11 | 3,087 |
| 8 | printf | 2,345 |
| 9 | zingtouch | 2,101 |
| 10 | Nameof C++ | 1,942 |
| 11 | tomlplusplus | 1,400 |
| 12 | refl-cpp | 986 |
| 13 | UNITS | 921 |
| 14 | unordered_dense | 730 |
| 15 | DragSelect | 657 |
| 16 | nanoprintf | 573 |
| 17 | span-lite | 486 |
| 18 | Doma 2 | 413 |
| 19 | libriscv | 409 |
| 20 | string-view-lite | 399 |
| 21 | expected-lite | 348 |
| 22 | hissp | 331 |
| 23 | long-press-event | 310 |
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