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@antithesishq

Antithesis

Antithesis: Ship boldly, break nothing

What is Antithesis?

Antithesis is an autonomous testing platform that finds bugs in your software with perfect reproducibility to help you fix them. Read more about what problems Antithesis solves and how we have helped companies like yours!

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Reach out to us via the "contact us" form

What's here?

Dev Workflow

Antithesis users get the most value when their organization's CI is working smoothly with Antithesis. You can use our GitHub Action to trigger an Antithesis test suite based on your development workflow. View the source to see how it works.

SDKs

Take full control of your testing destiny! Integrating Antithesis into your code via the SDK will give the greatest control over what properties Antithesis will test for. SDKs are available for:

Utilities

Antithesis contributes general purpose OSS to the community. We will add libraries to this list as they become available.

  • Madness - Enables you to easily run the same binary on NixOS and non-NixOS systems

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  1. antithesis-trigger-action antithesis-trigger-action Public

    A GitHub Action to trigger an Antithesis test suite.

    TypeScript 19 6

  2. bombadil bombadil Public

    Property-based testing for web and terminal UIs

    Rust 1.5k 59

  3. valthree valthree Public

    A clustered, Valkey-compatible database backed by object storage

    Go 38 3

  4. madness madness Public

    Madness enables you to easily run the same binary on NixOS and non-NixOS systems

    Nix 311 5

Repositories

Showing 10 of 55 repositories
  • bombadil Public

    Property-based testing for web and terminal UIs

    antithesishq/bombadil's past year of commit activity
    Rust 1,467 MIT 59 20 10 Updated Sep 9, 2026
  • snouty Public

    A CLI for the Antithesis platform

    antithesishq/snouty's past year of commit activity
    Rust 29 Apache-2.0 3 12 2 Updated Sep 8, 2026
  • anta Public

    Anta is Antithesis design system

    antithesishq/anta's past year of commit activity
    TypeScript 14 MIT 2 0 1 Updated Sep 8, 2026
  • antithesis-skills Public

    AI Skills for Antithesis Users

    antithesishq/antithesis-skills's past year of commit activity
    JavaScript 267 Apache-2.0 16 12 4 Updated Sep 8, 2026
  • postgres-workload Public

    {✱} Testing Postgres on Antithesis

    antithesishq/postgres-workload's past year of commit activity
    Rust 1 0 0 1 Updated Sep 3, 2026
  • antithesis-sdk-python Public

    Antithesis SDK for Python

    antithesishq/antithesis-sdk-python's past year of commit activity
    Python 18 MIT 1 0 0 Updated Sep 3, 2026
  • antithesis-sdk-java Public

    Antithesis SDK for Java

    antithesishq/antithesis-sdk-java's past year of commit activity
    Java 18 MIT 4 0 1 Updated Sep 2, 2026
  • antithesis-sdk-net Public

    Antithesis SDK for .NET

    antithesishq/antithesis-sdk-net's past year of commit activity
    C# 7 MIT 0 0 0 Updated Aug 28, 2026
  • antithesis-sdk-go Public

    Antithesis SDK for Go

    antithesishq/antithesis-sdk-go's past year of commit activity
    Go 51 MIT 7 3 2 Updated Aug 29, 2026
  • antithesis-sdk-typescript Public

    Antithesis SDK for TypeScript and JavaScript

    antithesishq/antithesis-sdk-typescript's past year of commit activity
    TypeScript 7 MIT 3 0 0 Updated Aug 28, 2026