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The best Kratos alternatives

8 tools that do a similar job to Kratos, 8 of them open source. Each entry says what it does and who it suits, so you can pick the one that fits instead of the most famous.

You're replacing

Kratos

A lightweight Go framework for building cloud-native microservices.

  1. 1

    go-zero

    Open source · MIT · ★ 33.4k

    A Go framework for building web and RPC microservices, with a code generator called goctl.

    Best for: Go developers building REST APIs or microservices; Teams that want built-in resilience features like rate limiting and circuit breakers without writing them by hand

    Full review Kratos vs go-zero
  2. 2

    chi

    Open source · MIT · ★ 23k

    A small, standard-library-compatible router for building Go HTTP and REST API services.

    Best for: Go developers building REST API services; Teams that want routing built on the standard net/http package

    Full review Kratos vs chi
  3. 3

    warp

    Open source · MIT · ★ 10.4k

    A Rust web server framework built from small composable filters for handling HTTP requests.

    Best for: Rust developers building HTTP APIs or web servers; Developers who like composing small reusable request-handling pieces

    Full review Kratos vs warp
  4. 4

    qiankun

    Open source · MIT · ★ 16.7k

    A JavaScript library for building web apps out of separately deployed micro frontends.

    Best for: Teams splitting one large web app across several groups that deploy independently; Projects that mix frameworks such as React and Vue on the same page

    Full review Kratos vs qiankun
  5. 5

    Vapor

    Open source · MIT · ★ 26.2k

    A web framework for building websites and APIs in the Swift programming language.

    Best for: Swift developers who want to build backend services in the same language as their iOS or macOS apps; Teams building JSON APIs or web backends who already work in Swift

    Full review
  6. 6

    GetX

    Open source · MIT · ★ 11.2k

    A Flutter package for state management, navigation, and dependency injection, all through one Get API.

    Best for: Flutter developers who want state management, routing and dependency injection from a single package; Beginners building their first Flutter app who want fewer packages to learn

    Full review
  7. 7

    Orleans

    Open source · MIT · ★ 10.9k

    A .NET framework for building distributed apps using 'grains', objects that stay available across many servers

    Best for: C# and .NET developers building scalable backend services; Teams modeling many independent entities, such as devices or users, as stateful objects

    Full review
  8. 8

    Tonic

    Open source · MIT · ★ 12.5k

    A Rust library for building gRPC clients and servers with async/await support.

    Best for: Rust developers building services that talk over gRPC; Teams that want async/await support in their network services

    Full review

How we pick: tools in the same category that solve the same problem, projects that name each other as alternatives, and open-source projects that describe themselves as an alternative to Kratos. We don't take payment for placement.