Alternatives and similar repositories for rivers

Users that are interested in rivers are comparing it to the libraries listed below

• jfalcou / kumi
  C++20 Compact Tuple Tools
  ☆55Updated last week
• rollbear / columnist
  ☆52Updated last year
• cor3ntin / rangesnext
  ranges features for c+23 ported to C++20
  ☆78Updated 2 years ago
• jbcoe / indirect_value
  An indirect value-type for C++
  ☆84Updated 2 years ago
• boostorg / parser
  A C++ parser combinator library.
  ☆155Updated last month
• Thermadiag / seq
  The seq library is a collection of original C++17 STL-like containers and related tools
  ☆99Updated last month
• fix8mt / conjure_enum
  Lightweight header-only C++20 enum and typename reflection
  ☆79Updated 2 months ago
• MiSo1289 / more_concepts
  A C++20 concepts library, providing container concepts etc.
  ☆84Updated 10 months ago
• BobSteagall / wg21
  Various documents and code related to proposals for WG21
  ☆67Updated last year
• PeterSommerlad / PSsimplesafeint
  A C++20 implementation of safe (wrap around) integers following MISRA C++ rules
  ☆79Updated 2 years ago
• dietmarkuehl / kuhllib
  an experimental standard C++ library
  ☆90Updated last year
• anthonywilliams / strong_typedef
  A class template that creates a new type that is distinct from the underlying type, but convertible to and from it
  ☆115Updated last year
• ThePhD / itsy_bitsy
  Bit containers, sequences, and views for everyone. 🕷️
  ☆128Updated 3 years ago
• cppalliance / mrdocs
  MrDocs: A Clang/LLVM tool for building reference documentation from C++ code and javadoc comments.
  ☆105Updated this week
• boostorg / stl_interfaces
  A C++14 and later CRTP template for defining iterators
  ☆75Updated last month
• DNKpp / mimicpp
  A modern and (mostly) macro free mocking-framework
  ☆44Updated last week
• davidstone / bounded-integer
  C++ library aiming to replace all built-in integers
  ☆97Updated 2 weeks ago
• modern-cmake / cppfront
  CMake wrapper around the cppfront repository
  ☆79Updated 11 months ago
• YarikTH / ureact
  Functional reactive programming library for c++
  ☆160Updated last year
• RishabhRD / mraylib
  simple ray tracing library focusing on good code
  ☆57Updated last year
• qlibs / ut
  C++20 Unit-Testing library
  ☆50Updated 5 months ago
• qnope / Little-Type-Library
  A little metaprogramming and functional library
  ☆69Updated 3 years ago
• hanickadot / co_curl
  ☆79Updated 5 months ago
• lefticus / cons_expr
  ☆67Updated 3 months ago
• ph3at / libenvpp
  A modern C++ library for type-safe environment variable parsing
  ☆148Updated 10 months ago
• thecppzoo / zoo
  Zoo library
  ☆130Updated 3 months ago
• rollbear / lift
  constexpr C++17 library for simplifying higher order functions in application code
  ☆199Updated 2 years ago
• cmannett85 / arg_router
  C++ command line argument parsing and routing
  ☆52Updated last year
• codeinred / recursive-variant
  Recursive Variant: A simple library for Recursive Variant Types
  ☆90Updated 4 months ago
• jbcoe / polymorphic_value
  A polymorphic value-type for C++
  ☆228Updated 2 years ago