Comebacks

Posted more than once, and did better on a later attempt.

Productivity

2020

TypeLit

A site where you practice typing by retyping entire novels

Mixed1,589 points378 comments

AI

2023

Phind

GPT-4-powered web searches for developers

Debated1,401 points414 comments

Web and SaaS

2020

Buy For Life

A Rotten Tomatoes-style platform for durable products

Mixed1,392 points398 comments

Web and SaaS

2022

Openship

I'm building an open-source Amazon

Mixed1,335 points301 comments

Hardware

2015

HomeMirror

Make a programmable mirror

Curious1,172 points136 comments

Creative

2024

Pikimov

An After Effects alternative

Mixed1,150 points258 comments

Games

2021

Permafrost Engine

My own RTS game engine in C

Mixed1,102 points262 comments

Languages and libraries

2018

RoughJS

Create hand-drawn graphics using JavaScript

Mixed1,087 points92 comments

Learning and science

2024

rahulilango.com

A puzzle game that gently introduces my favorite math mysteries

Mixed1,054 points172 comments

Creative

2020

A basketball hoop to maximize shots that go in [video]

Curious971 points162 comments

Web and SaaS

2023

pycareer.io

A Python Job Board for Python Developers

Quiet945 points1 comments

Creative

2025

Draw a fish

Draw a fish and watch it swim with the others

Curious935 points234 comments

Dev tools

2025

Unsure Calculator

back-of-a-napkin probabilistic calculator

Curious930 points162 comments

Dev tools

2025

Tutorial-Codebase-Knowledge

An AI that turns GitHub codebases into easy tutorials

Debated923 points172 comments

Productivity

2024

Markwhen

Markdown for Timelines

Mixed912 points98 comments

Creative

2021

iPod.js

An online iPod that connects to Spotify and Apple Music

Mixed866 points157 comments

Creative

2026

Bastardica

Make cursed fonts like Times New Bastard

Loved862 points126 comments

Infrastructure

2024

OpenFreeMap

Open-Source Map Hosting

Curious848 points234 comments

Productivity

2024

Intenty

App that asks ‘why?’ every time you unlock your phone

Mixed817 points381 comments

Creative

2025

Strange Attractors

I went down the rabbit hole on a side project and ended up building this: Strange…

Loved804 points78 comments

Finance and crypto

2023

ProjectionLab

I spent 2 years building a personal finance simulator

Debated766 points288 comments

Dev tools

2022

Restfox

Open source lightweight alternative to Postman

Curious758 points182 comments

AI

2023

Maroofy

I trained an AI model on 120M+ songs from iTunes

Mixed753 points427 comments

Consumer and social

2013

eatthismuch

Automatic weekly meal planner, also plans your leftovers

Mixed747 points288 comments

Productivity

2024

Shade Map

Every mountain, building and tree shadow mapped for any date and time

Debated685 points183 comments

Data

2026

ChartGPU

WebGPU-powered charting library (1M points at 60fps)

Mixed670 points214 comments

Learning and science

2020

WebRTC for the Curious

Learn how WebRTC actually works. A book on the protocols, not just APIs

Mixed667 points72 comments

Consumer and social

2023

Lungy

I'm a doctor and made a responsive breathing app for stress and anxiety

Debated666 points215 comments

Games

2022

America

Road Trip Simulator

Loved663 points183 comments

Dev tools

2018

Wired-elements

UI web components with a hand drawn, sketchy look

Mixed650 points120 comments

Languages and libraries

2018

Pts.js

A library for visualization and creative coding

Loved611 points71 comments

Dev tools

2020

Lite

A small, fast text editor

Mixed607 points256 comments

Consumer and social

2021

Haxplore

Hacker News client with a twist

Mixed603 points243 comments

Productivity

2025

Desktop Docs

I rewrote my Mac Electron app in Rust

Curious597 points443 comments

Productivity

2019

SourcedFact

A platform for journalists to “open source” their fact checking

Debated593 points298 comments

Dev tools

2024

Hatchet

Open-source distributed task queue

Curious578 points189 comments

Learning and science

2026

Lend Me Your Ears

A memory game to teach you to play piano by ear

Mixed565 points171 comments

Productivity

2022

BookStack

An open source wiki platform and alternative to Confluence

Mixed562 points198 comments

Consumer and social

2022

OnlyRecipe.app

Remove clutter from recipe sites

Debated560 points345 comments

Learning and science

2023

Lost at SQL

A SQL game to help people learn / challenge their skills

Mixed547 points117 comments

Learning and science

2017

The JavaScript Way

A book for learning modern JavaScript from scratch

Mixed545 points110 comments

Creative

2022

Wavvy

web-based audio editor (Audacity port)

Mixed530 points111 comments

Web and SaaS

2020

Profit Hunt

Get inspired by profitable online projects

Debated528 points95 comments

AI

2026

trails

I used Claude Code to discover connections between 100 books

Mixed524 points146 comments

Consumer and social

2020

bingetogether.com

To fight quarantine boredom I build a site to watch movies with friends

Curious515 points203 comments

Hardware

2024

usoldering.com

Reverse-Engineering a Switch Lite with 1,917 wires

Curious513 points114 comments

Games

2025

Time Portal

Get dropped into history, guess where you landed

Debated497 points213 comments

Web and SaaS

2023

store

An app store just for installable web apps

Debated484 points228 comments

Finance and crypto

2021

ProjectiFi

A simulator for personal finance

Mixed479 points255 comments

Dev tools

2022

Aspect

A Visual IDE for React

Mixed479 points134 comments

Games

2019

si78c

Space Invaders in C

Mixed478 points105 comments

Productivity

2020

HPI

Interface for all digital aspects of my life

Mixed478 points93 comments

Productivity

2017

Airborn

Private Google Docs Alternative

Mixed469 points203 comments

Data

2024

Dataherald

We open sourced our entire text-to-SQL product

Curious464 points144 comments

Dev tools

2025

screenrecorder.me

A web-based, free alternative to Screen Studio

Curious462 points117 comments

AI

2024

GrafyChat

A non-linear UI for ChatGPT

Mixed459 points130 comments

AI

2024

FastGraphRAG

Better RAG using good old PageRank

Curious457 points119 comments

Dev tools

2017

fd

A simple, fast and user-friendly alternative to find, written in Rust

Curious456 points215 comments

AI

2018

Mathpix

Convert screenshots of equations to LaTeX

Curious456 points98 comments

Games

2025

Factorio Blueprint Visualizer

Loved450 points104 comments

Dev tools

2024

Xcapture-BPF

like Linux top, but with Xray vision

Mixed447 points39 comments

Dev tools

2026

Semble

Code search for agents that uses 98% fewer tokens than grep

Curious445 points151 comments

Languages and libraries

2016

3D Vector Graphics

The texturing just helps your eye "fill in the gaps." As far as difficulty, I just don't know of a general…

Mixed441 points56 comments

Web and SaaS

2020

Healthcare Is Dumb

Curious441 points283 comments

Creative

2023

Plantarium

Simulate 3D plants in the browser

Mixed439 points49 comments

AI

2026

sentrysearch

Gemini can now natively embed video, so I built sub-second video search

Loved438 points108 comments

Dev tools

2018

Layoutit

An interactive CSS Grid generator

Debated437 points71 comments

Infrastructure

2021

federalist

Decentralized, Mutable, Serverless Torrent Swarm Websites

Mixed433 points186 comments

Consumer and social

2024

GetAnyPlant

A free site to explore and discover 6k plants

Curious427 points132 comments

Dev tools

2026

big-arrow-on-the-screen

Let your AI agents paint big arrows, boxes and text on your screen

Debated421 points194 comments

Learning and science

2023

Pickcode

New visual language for teaching kids to code

Mixed420 points170 comments

Games

2024

Counter-Strike Football

Open-source Counter-Strike-like game

Curious420 points168 comments

Dev tools

2017

Cone

My first native iOS app – Cone, a real time color picker

Mixed418 points151 comments

Creative

2021

metameme

A meme creator that makes around $4k a month

Mixed418 points217 comments

Dev tools

2025

Onlook

Open-source, visual-first Cursor for designers

Mixed408 points81 comments

Games

2023

overflow

RISC-V assembly tabletop board game (hack your opponent)

Curious400 points54 comments

Creative

2021

DIY-ai-art

An AI art installation at home generating new pieces on the fly

Mixed399 points153 comments

AI

2019

Zecoda

I trained a deep learning model to build sites for me

Mixed397 points124 comments

Data

2025

exopriors.com

Use Claude Code to Query 600 GB Indexes over Hacker News, ArXiv, etc.

Mixed397 points142 comments

Web and SaaS

2016

Duet

A self-hosted alternative to Trello, Basecamp, and Freshbooks

Curious396 points154 comments

Productivity

2022

KTool

A tool to help you read Hacker News on Kindle

Mixed393 points78 comments

Dev tools

2026

dirac

OSS Agent I built topped the TerminalBench on Gemini-3-flash-preview

Curious393 points148 comments

Hardware

2024

AnySkin

Put this touch sensor on a robot and learn super precise tasks

Loved390 points66 comments

Infrastructure

2026

Freenet

A peer-to-peer platform for decentralized apps

Mixed390 points271 comments

Dev tools

2019

Slim

Build and run tiny VMs from Dockerfiles

Curious389 points139 comments

Dev tools

2016

m-cli

Swiss Army Knife for Mac OS X

Mixed388 points62 comments

Creative

2019

Eschersket.ch

a symmetry drawing app to design custom wrapping paper

Mixed386 points27 comments

AI

2023

Unsloth

80% faster, 50% less memory, 0% loss of accuracy Llama finetuning

Curious385 points119 comments

Learning and science

2018

Ancient Earth

Plot modern addresses on Earth 240M years ago

Curious384 points59 comments

Learning and science

2024

teachyourselfmath

I wished for a site with a growing list of math problems, I built it

Mixed384 points92 comments

AI

2023

Pixian

Image background removal without annoying subscriptions

Mixed383 points115 comments

Dev tools

2025

Halloy

Modern IRC client

Loved381 points101 comments

Languages and libraries

2024

PgQueuer

Transform PostgreSQL into a Job Queue

Mixed376 points122 comments

Learning and science

2023

Futurecoder

A free interactive Python course for coding beginners

Mixed371 points78 comments

Productivity

2018

Dark Reader extension

Dark mode for every website

Debated369 points175 comments

Games

2022

Eight Colors

A puzzle game in HTML5

Debated368 points124 comments