StubBin

What it does

Mock complex REST APIs in seconds, not hours. StubBin provides ephemeral workspaces with zero friction. ⚡ Instant Access • 🧠 Smart Rules (JEXL) • 🎲 Dynamic Faker Data • 🔍 Real-time Request Logging. The fastest way to prototype and integration test without spinning up a server.

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  Mocklets2018 · mocklets.com · ▲82

  A HTTP-based API simulator to assist parallel development 🛠️

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  Mockoon – mock REST APIs in seconds2017 · mockoon.com · ▲68

  Mockoon is the easiest and quickest way to run mock REST API servers. No remote deployment, no account required, free, open source and cross-platform.

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  Mockoon2017 · mockoon.com · ▲89

  Mock servers in seconds

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  Stubby – better client side mocking of HTTP Requests2015 · gocardless.com · ▲5

  Stubby is a small library for stubbing client-side AJAX requests, primarily designed for use in front end tests.

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  StubOnWeb – Stub HTTP server to test API integrations2015 · stubonweb.herokuapp.com · ▲25
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  Mockend2023 · mockend.com · ▲6

  Effortless hosted fake REST and GraphQL API for teams/makers

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  Run full iOS 16.5 firmware on Android Devices▲513

  Contribute to oosexgang/hackios-xnu-kernel development by creating an account on GitHub.

  Dev tools · 1d ago · github.com

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  /dev/null▲492

  a social network for devs

  Dev tools · 4d ago · dev-null.sh

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  Whiteboard (YC W26) – an open-source IDE for thoughtful software design▲423

  open-source IDE for thoughtful software design. Contribute to devdotfast/whiteboard development by creating an account on GitHub.

  Dev tools · 29d ago · github.com

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  Reladraw – A diagram language where you decide where to place things▲411

  Contribute to reladraw/reladraw development by creating an account on GitHub.

  Dev tools · 27d ago · github.com

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  OpenBot▲362

  Grok Bot alternative: free, local, open-source, multiplayer

  Dev tools · 24d ago · openbot.run

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  Talanoa▲346

  Hi HN, I’m a fullstack developer, and honestly, I’ve lost count of how many side projects I’ve worked on over the years. But one idea kept coming back to me: a different kind of email client. It first came to me in 2014: “What if we could handle emails more like conversations?” Every year, I’d revisit this concept in my “Build Notes.” Ten years later, no one had built exactly what I had in mind — so I finally decided to do it myself. That’s how Talanoa was born. I wanted something focused on people, not timelines. I was tired of marking messages as unread just to remember to reply later, or…

  Dev tools · 22d ago · talanoa.email

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  isometric.nyc – giant isometric pixel art map of NYC▲1,325

  Hey HN! I wanted to share something I built over the last few weeks: isometric.nyc is a massive isometric pixel art map of NYC, built with nano banana and coding agents. I didn't write a single line of code. Of course no-code doesn't mean no-engineering. This project took a lot more manual labor than I'd hoped! I wrote a deep dive on the workflow and some thoughts about the future of AI coding and creativity: http://cannoneyed.com/projects/isometric-nyc

  AI · Jan 2026 · cannoneyed.com

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  Cowork▲1,088

  Turn Claude into your digital coworker

  AI · Jan 2026 · claude.com

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  DataFast▲867

  Revenue-first analytics

  Growth · Jan 2026 · datafa.st

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  OpenClaw▲836

  The AI that actually does things

  AI · Jan 2026 · openclaw.ai

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  Kilo Code Reviewer▲799

  Automatic AI-powered code reviews the moment you open a PR

  Dev tools · Jan 2026 · kilo.ai

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  PostSyncer▲793

  AI Content Maker, for Social Media Publishing

  AI · Jan 2026 · postsyncer.com