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Top 23 C++ no-dependency 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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Project mention: Focus: A simple and fast text editor written in Jai | news.ycombinator.com | 2023-09-02
https://pastebin.com/VPypiitk This is a very small experiment i did to learn the metaprogramming features. its an ECS library using the same model as entt (https://github.com/skypjack/entt). In 200 lines or so it does the equivalent of a few thousand lines of template heavy Cpp while compiling instantly and generating good debug code.
Some walkthrough:
Line 8 declares a SparseSet type as a fairly typical template. its just a struct with arrays of type T inside. Next lines implement getters/setters for this data structure
Line 46 Base_Registry things get interesting. This is a struct that holds a bunch of SparseSet of different types, and providers getters/setters for them by type. It uses code generation to do this. The initial #insert at the start of the class injects codegen that creates structure members from the type list the struct gets on its declaration. Note also how type-lists are a native structure in the lang, no need for variadics.
Line 99 i decide to do variadic style tail templates anyway for fun. I implement a function that takes a typelist and returns the tail, and the struct is created through recursion as one would do in cpp. Getters and setters for the View struct are also implemented through recursion
Line 143 has the for expansion. This is how you overload the for loop functionality to create custom iterators.
The rest of the code is just some basic test code that runs the thing.
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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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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
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
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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.
Book: CLI11 book
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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).
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).
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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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UNITS
a compile-time, header-only, dimensional analysis and unit conversion library built on c++14 with no dependencies.
C++ Version
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unordered_dense
A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion
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
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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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Project mention: Ask HN: Looking for a project to volunteer on? (November 2023) | news.ycombinator.com | 2023-11-02
Seeking: 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.
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expected-lite
expected lite - Expected objects in C++11 and later in a single-file header-only library
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.
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au
A C++14-compatible physical units library with no dependencies and a single-file delivery option. Emphasis on safety, accessibility, performance, and developer experience. (by aurora-opensource)
Project mention: I'm a beginner making a library for unit conversion, contributions are welcome | /r/cpp | 2023-04-21Be sure to check this one, too https://github.com/aurora-opensource/au
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Project mention: uni-algo: Unicode Algorithms Implementation for C/C++ | news.ycombinator.com | 2024-03-25
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ring-span-lite
ring-span lite - A C++yy-like ring_span type for C++98, C++11 and later in a single-file header-only library
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
C++ no-dependencies related posts
- `DestroyJavaVM()` failing on OpenJ9?
- [Cpp] Comment testez-vous la couverture du code C ++? Y a-t-il des solutions multiplateforme viables?
- Is there a std::string::split or something similar?
- If you limit an std::string in a class to be < 15 characters, can you assume that any time the string is read it will stay on the stack due to SSO?
- std::expected (with monadic interface) implementation in C++20 (P0323, P2505)
- GitHub - martinus/svector: Small Vector optimization
- C++ Return: std::any, std::optional, or std::variant?
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A note from our sponsor - WorkOS
workos.com | 29 Mar 2024
Index
What are some of the best open-source no-dependency projects in C++? This list will help you:
Project | Stars | |
---|---|---|
1 | Catch | 17,898 |
2 | entt | 9,351 |
3 | Magic Enum C++ | 4,324 |
4 | CLI11 | 3,049 |
5 | Nameof C++ | 1,919 |
6 | tomlplusplus | 1,380 |
7 | refl-cpp | 986 |
8 | UNITS | 915 |
9 | unordered_dense | 692 |
10 | nanoprintf | 563 |
11 | span-lite | 485 |
12 | string-view-lite | 396 |
13 | libriscv | 395 |
14 | expected-lite | 342 |
15 | leaf | 289 |
16 | semver | 278 |
17 | au | 273 |
18 | result | 265 |
19 | uni-algo | 237 |
20 | scope_guard | 160 |
21 | influxdb-cpp | 149 |
22 | ring-span-lite | 147 |
23 | bredis | 146 |