Alternatives and similar repositories for outcome

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

• TartanLlama / optional
  C++11/14/17 std::optional with functional-style extensions and reference support
  ☆901Updated last year
• Naios / function2
  Improved and configurable drop-in replacement to std::function that supports move only types, multiple overloads and more
  ☆573Updated 2 weeks ago
• martinmoene / expected-lite
  expected lite - Expected objects in C++11 and later in a single-file header-only library
  ☆479Updated last month
• boost-ext / te
  C++17 Run-time Polymorphism (Type Erasure) library
  ☆482Updated 3 months ago
• rollbear / strong_type
  An additive strong typedef library for C++14/17/20
  ☆450Updated 6 months ago
• joboccara / NamedType
  Implementation of strong types in C++
  ☆804Updated 2 years ago
• mpark / variant
  C++17 `std::variant` for C++11/14/17
  ☆695Updated 2 years ago
• ned14 / llfio
  P1031 low level file i/o and filesystem library for the C++ standard
  ☆967Updated 3 weeks ago
• martinmoene / span-lite
  span lite - A C++20-like span for C++98, C++11 and later in a single-file header-only library
  ☆500Updated last year
• martinmoene / optional-lite
  optional lite - A C++17-like optional, a nullable object for C++98, C++11 and later in a single-file header-only library
  ☆408Updated 4 months ago
• foonathan / type_safe
  Zero overhead utilities for preventing bugs at compile time
  ☆1,595Updated 10 months ago
• beached / daw_json_link
  Fast, convenient JSON serialization and parsing in C++
  ☆492Updated 3 weeks ago
• Naios / continuable
  C++14 asynchronous allocation aware futures (supporting then, exception handling, coroutines and connections)
  ☆844Updated last year
• ldionne / dyno
  Runtime polymorphism done right
  ☆1,015Updated 4 years ago
• tcbrindle / span
  Implementation of C++20's std::span for older compilers
  ☆358Updated 2 years ago
• tcbrindle / NanoRange
  Range-based goodness for C++17
  ☆364Updated 4 years ago
• stlab / libraries
  ASL libraries will be migrated here in the stlab namespace, new libraries will be created here.
  ☆675Updated this week
• cbeck88 / visit_struct
  A miniature library for struct-field reflection in C++
  ☆575Updated last week
• andreasbuhr / cppcoro
  A library of C++ coroutine abstractions for the coroutines TS
  ☆402Updated last month
• serge-sans-paille / frozen
  a header-only, constexpr alternative to gperf for C++14 users
  ☆1,448Updated this week
• gsl-lite / gsl-lite
  ISO C++ Core Guidelines Library implementation for C++98, C++11 up
  ☆949Updated 2 months ago
• quicknir / wise_enum
  A reflective enum implementation for C++
  ☆298Updated last year
• boostorg / leaf
  Lightweight Error Augmentation Framework
  ☆332Updated last month
• bfgroup / Lyra
  A simple to use, composable, command line parser for C++ 11 and beyond
  ☆529Updated 2 weeks ago
• mpark / patterns
  This is an experimental library that has evolved to P2688
  ☆677Updated 8 months ago
• joboccara / pipes
  Pipelines for expressive code on collections in C++
  ☆832Updated 9 months ago
• rollbear / trompeloeil
  Header only C++14 mocking framework
  ☆853Updated 3 months ago
• gracicot / kangaru
  🦘 A dependency injection container for C++11, C++14 and later
  ☆528Updated 3 weeks ago
• standardese / standardese
  A (work-in-progress) nextgen Doxygen for C++
  ☆960Updated last year
• tzlaine / text
  What a c++ standard Unicode library might look like.
  ☆335Updated last year