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.
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
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.