Alternatives and similar repositories for STX

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

• ned14 / outcome
  Provides very lightweight outcome<T> and result<T> (non-Boost edition)
  ☆758Updated 3 weeks ago
• nonstd-lite / expected-lite
  expected lite - C++23 expected objects for C++11 and later in a single-file header-only library
  ☆509Updated last month
• Naios / function2
  Improved and configurable drop-in replacement to std::function that supports move only types, multiple overloads and more
  ☆583Updated 3 months ago
• TartanLlama / optional
  C++11/14/17 std::optional with functional-style extensions and reference support
  ☆909Updated last year
• foonathan / lexy
  C++ parsing DSL
  ☆1,199Updated 2 weeks ago
• rollbear / strong_type
  An additive strong typedef library for C++14/17/20
  ☆460Updated 9 months ago
• nonstd-lite / span-lite
  span lite - A C++20-like span for C++98, C++11 and later in a single-file header-only library
  ☆506Updated 3 weeks ago
• boost-ext / te
  C++17 Run-time Polymorphism (Type Erasure) library
  ☆493Updated 6 months ago
• ned14 / llfio
  P1031 low level file i/o and filesystem library for the C++ standard
  ☆993Updated 2 weeks ago
• Kaaserne / cpp-lazy
  C++11 (and onwards) library for lazy evaluation
  ☆361Updated last week
• tcbrindle / span
  Implementation of C++20's std::span for older compilers
  ☆368Updated 2 years ago
• boostorg / leaf
  Lightweight Error Augmentation Framework
  ☆335Updated 2 weeks ago
• kongaskristjan / fire-hpp
  A C++ library that uses clever tricks to create super low-code, yet fully functional CLIs
  ☆452Updated last year
• beached / daw_json_link
  Fast, convenient JSON serialization and parsing in C++
  ☆499Updated 3 months ago
• ConorWilliams / libfork
  A bleeding-edge, lock-free, wait-free, continuation-stealing tasking library built on C++20's coroutines
  ☆751Updated 7 months ago
• cbeck88 / visit_struct
  A miniature library for struct-field reflection in C++
  ☆603Updated 3 months ago
• joboccara / NamedType
  Implementation of strong types in C++
  ☆810Updated 3 years ago
• jeremy-rifkin / libassert
  The most over-engineered C++ assertion library
  ☆684Updated 3 months ago
• BowenFu / matchit.cpp
  match(it): A lightweight single-header pattern-matching library for C++17 with macro-free APIs.
  ☆628Updated 2 years ago
• bitwizeshift / result
  A lightweight C++11-compatible error-handling mechanism
  ☆308Updated 3 years ago
• snitch-org / snitch
  Lightweight C++20 testing framework.
  ☆293Updated 2 months ago
• mmahnic / argumentum
  C++ command line parsing library
  ☆203Updated 2 years ago
• eliaskosunen / scnlib
  scanf for modern C++
  ☆1,277Updated this week
• bfgroup / Lyra
  A simple to use, composable, command line parser for C++ 11 and beyond
  ☆553Updated 2 months ago
• p-ranav / structopt
  Parse command line arguments by defining a struct
  ☆505Updated last year
• tcbrindle / flux
  A C++20 library for sequence-orientated programming
  ☆658Updated last week
• foonathan / type_safe
  Zero overhead utilities for preventing bugs at compile time
  ☆1,600Updated 2 weeks ago
• serge-sans-paille / frozen
  a header-only, constexpr alternative to gperf for C++14 users
  ☆1,487Updated 3 months ago
• tcbrindle / NanoRange
  Range-based goodness for C++17
  ☆365Updated 4 years ago
• ldionne / dyno
  Runtime polymorphism done right
  ☆1,019Updated 4 years ago