nowfound

Dev tools · April 13, 2026

Hephaestus

Modular API testing engine for Postman — zero dependencies

What it does

Hephaestus is an open-source framework that replaces scattered pre/post-request scripts in Postman with a single, version-controlled engine. Each request contains only a small override config. The engine handles everything: 20+ assertion operators, snapshot regression, JSON Schema, OAuth2, secret masking, and retries. Ships with 10+ CLI tools: HTML reports, JUnit XML, run comparisons, watch mode, docs generator, and Docker support. Zero npm dependencies. MIT licensed.

Does a similar job

all alternatives →
  • Postman for Mac (Beta)2016 · ▲368

    Build, test, and document your APIs faster

  • Postman2014 · ▲182

    Postman is a powerful HTTP client to test REST API

  • NW
  • Micronaut Framework2019 · ▲88

    Build modular easily testable microservice & serverless apps

  • MA
    Minum – A minimal Java web framework2023 · github.com · ▲165

    I am happy to announce my minimalist zero-dependency web framework, Minum, is out of beta. http://github.com/byronka/minum You will be hard-pressed to find another modern project as obsessively minimalistic. Other frameworks will claim simplicity and minimalism and then, casually, mention they are built on a multitude of libraries. This follows self-imposed constraints, predicated on a belief that smaller and lighter is long-term better. Caveat emptor: This is a project by and for developers who know and like programming (rather than, let us say, configuring). It is…

  • FA
    Faasta – A self-hosted Serverless platform for WASM-wasi-HTTP in Rust2025 · github.com · ▲95

    I've just released an early version off my project I've been working on for a few months now and would love some feedback. https://github.com/fourlexboehm/faasta I was surprised there isn't yet an open/source and standards compliant way to host wasi-http functions in a way that takes advantages of WASM, a multi tenanted application. If you're not familiar with wasi, Compared to something like AWS Lambda, this approach is much more efficient as a single process can serve 1000s of function invocations concurrently and asynchronously, instead requiring an entire VM.…

More dev tools this month

the category →
  • Dograh592

    The open source VAPI alternative

    Dev tools · 26d ago · dograh.com

  • Meridian530

    Don't let your work go unnoticed. Get promoted!

    Dev tools · 21d ago · meridiona.com

  • x1516

    Lovable for iPhone apps go from idea to App Store

    Dev tools · 12d ago · x1.new

  • OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.

    Dev tools · 2d ago · opentrailpaper.com

  • Open-source GTM skills for technical founders

    Dev tools · 30d ago · gtmcofounder.com

  • Nuphos380

    The AI-Native DevOps Workspace.

    Dev tools · 25d ago · nuphos.ai

Launched alongside, April 2026

the whole month →
  • Brila1,367

    One-page websites from real Google Maps reviews

    AI · Apr 2026 · brila.ai

  • AG

    Thought the resources for GPU arch were lacking, so here we are

    Life & fun · Apr 2026 · jaso1024.com

  • IB

    Built a ~9M param LLM from scratch to understand how they actually work. Vanilla transformer, 60K synthetic conversations, ~130 lines of PyTorch. Trains in 5 min on a free Colab T4. The fish thinks the meaning of life is food. Fork it and swap the personality for your own character.

    AI · Apr 2026 · github.com

  • AI meeting notes: now bot-free, in ChatGPT & Claude + more

    AI · Apr 2026 · fathom.ai

  • BC

    Life & fun · Apr 2026 · sam-burns.com

  • IB

    With social media and now AI, its important to keep the indie web alive. There are many people who write frequently. Blogosphere tries to highlight them by fetching the recent posts from personal blogs across many categories. There are two versions: Minimal (HN-inspired, fast, static): https://text.blogosphere.app/ Non-minimal: https://blogosphere.app/ If you don't find your blog (or your favorite ones), please add them. I will review and approve it.

    AI · Apr 2026 · text.blogosphere.app