Best Show HN projects from Apr, 2015

Browse the top 100 projects launched on Hacker News Show HN during Apr, 2015.


best of all time best of today best of yesterday best of this week best of this month best of last month best of this year best of 2025 best of 2024 best of 2024 yc s26 yc w26 yc s25 yc w25 yc s24 yc w24 yc s23 yc w23 yc s22 yc w22 yc s21 yc w21 yc s20 yc w20 yc s19 yc w19 yc s18 yc w18 yc all-time 3d algorithms animation android [ai] artificial-intelligence api augmented-reality big data bitcoin blockchain book bootstrap bot css c chart chess chrome extension cli command line compiler crypto covid-19 cryptography data deep learning elexir ether excel framework game git go html ios iphone java js javascript jobs kubernetes learn linux lisp mac machine-learning most successful neural net nft node optimisation parser performance privacy python raspberry pi react retro review my ruby rust saas scraper security sql tensor flow terminal travel virtual reality visualisation vue windows web3 young talents
#1 Show HN: A tool that transforms your whole list with just one example

764 points | 144 comments | Apr 24, 2015 | by createmyaccount

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#2 Show HN: A random startup generator

607 points | 189 comments | Apr 23, 2015 | by LikeMyBread

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#3 Show HN: Where is β€œWho is hiring?” hiring?

493 points | 117 comments | Apr 09, 2015 | by manlio

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#4 Show HN: I'm a 14 year-old dev who has programmed an artificial intelligence bot

430 points | 297 comments | Apr 16, 2015 | by seanlevan

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#5 Show HN: Kaiwa, a Modern Open-Source XMPP Web Client

339 points | 140 comments | Apr 08, 2015 | by emixam

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#6 Show HN: Ramjet.js – Morph DOM elements into each other

309 points | 35 comments | Apr 29, 2015 | by rich_harris

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#7 Show HN: Kubist, a little web app to make cubism-like images

231 points | 48 comments | Apr 20, 2015 | by metaphorical

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#8 Show HN: Caddy, a cross-platform HTTP/2 web server

208 points | 87 comments | Apr 28, 2015 | by mholt

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#9 Show HN: Get pinged when standards hit 90% browser support

199 points | 48 comments | Apr 07, 2015 | by AlexMuir

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#10 Show HN: Free, instant, secure, disposable chat rooms built in Go

169 points | 93 comments | Apr 14, 2015 | by SatyajitSarangi

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#11 Show HN: CSS to render Markdown as unrendered Markdown

161 points | 23 comments | Apr 10, 2015 | by ImJasonH

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#12 Show HN: Bot accepts every pull request for its own code

155 points | 93 comments | Apr 09, 2015 | by mappum

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#13 Show HN: TypeSlab – simple, shareable typographic posters

138 points | 37 comments | Apr 13, 2015 | by geelen

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#14 Show HN: AtomPair – Pair Programming with Slack and HipChat Integration

127 points | 34 comments | Apr 02, 2015 | by funkylexoo

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#15 Show HN: Startup Timelines

111 points | 26 comments | Apr 27, 2015 | by bakztfuture

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#16 Show HN: Feature voting for GitHub

108 points | 55 comments | Apr 24, 2015 | by Ecco

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#17 Show HN: Crudlet.js – A common, streamable interface for synchronizing data

94 points | 15 comments | Apr 06, 2015 | by knes

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#18 Show HN: Infinite Monkeys – Pooling the Wisdom of Hacker News Comments

93 points | 28 comments | Apr 21, 2015 | by chaghalibaghali

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#19 Show HN: Emacs Theme Creator

91 points | 15 comments | Apr 21, 2015 | by mswift42

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#20 Show HN: Betty, Open Source Google Voice with Receptionist Abilities

91 points | 10 comments | Apr 26, 2015 | by vvoyer

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#21 Show HN: Linkurious, the first data visualization platform for graph databases

86 points | 36 comments | Apr 20, 2015 | by david_p

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#22 Show HN: Fast autocomplete service written in Go and JavaScript

76 points | 47 comments | Apr 03, 2015 | by peterbe

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#23 Show HN: A fast append-only data store for Java 8

74 points | 31 comments | Apr 14, 2015 | by probablyfine

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#24 Show HN: Quant News – Quantitative trading research, news, blogs, and comments

73 points | 6 comments | Apr 06, 2015 | by Commodore

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#25 Show HN: Laundromatch – Community-based laundry services

72 points | 25 comments | Apr 09, 2015 | by hmaidasani

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Don't miss when the next Dropbox or Stripe launches



#26 Show HN: Black-hole.js – Visualize black hole gravitational lensing in WebGL

72 points | 14 comments | Apr 12, 2015 | by cliffcrosland

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#27 Show HN: Sameroom.io

71 points | 33 comments | Apr 08, 2015 | by Qwl

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#28 Show HN: BoomFilters – Probabilistic data structures for processing streams

70 points | 13 comments | Apr 11, 2015 | by tylertreat

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#29 Show HN: Credstash – A tiny python utility for managing secrets in EC2

69 points | 14 comments | Apr 22, 2015 | by _alex_

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#30 Show HN: Tagging all GitHub repos

68 points | 30 comments | Apr 03, 2015 | by adieu

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#31 Show HN: A Guide to TDD'ing React Components

67 points | 24 comments | Apr 20, 2015 | by modnine

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#32 Show HN: Dependency-based prioritization makes HTTP/2 much faster than SPDY

67 points | 8 comments | Apr 16, 2015 | by kazuho

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#33 Show HN: All You Can Optimize on Your Website in a Single Report

65 points | 46 comments | Apr 14, 2015 | by damienj

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#34 Show HN: CLI for executing code in many different languages with Docker

64 points | 15 comments | Apr 08, 2015 | by andystanton

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#35 Show HN: A virtual machine designed for programming workshops

64 points | 7 comments | Apr 24, 2015 | by jpdlla

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#36 Show HN: SeriesF – The Onion for Startup News

63 points | 15 comments | Apr 18, 2015 | by mkremer90

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#37 Show HN: Envdb – Ask your environment questions

63 points | 7 comments | Apr 05, 2015 | by mephux

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#38 Show HN: Continous Heart Rate for Android Wear and Apple Watch

62 points | 53 comments | Apr 23, 2015 | by brandonb

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#39 Show HN: Multiplayer game in WebGL/JavaScript with full source

62 points | 10 comments | Apr 09, 2015 | by nergal

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#40 Show HN: Effective java – A tool to explore your Java code written in Clojure

60 points | 21 comments | Apr 29, 2015 | by ftomassetti

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#41 Show HN: Hit That, render the web in your terminal

59 points | 7 comments | Apr 10, 2015 | by bevacqua

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#42 Show HN: Treev – Search Bar for Dropbox, Box, Google Drive, and Trello (Chrome)

58 points | 10 comments | Apr 23, 2015 | by bendyBus

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#43 Show HN: Density – The Heartbeat of a City

57 points | 45 comments | Apr 21, 2015 | by jordanmessina

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#44 Show HN: Corrello – Dashboards and Reports for Trello

56 points | 33 comments | Apr 22, 2015 | by robinwarren

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#45 Show HN: RentEver – Social Rental Marketplace – Rent Anything from Anyone Nearby

55 points | 45 comments | Apr 10, 2015 | by usenkanov

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#46 Show HN: Onfleet, local delivery logistics SaaS

55 points | 28 comments | Apr 21, 2015 | by calvintennant

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#47 Show HN: Function Plot – A 2d function plotter powered by d3

55 points | 9 comments | Apr 12, 2015 | by maurizzzio

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#48 Show HN: Get a personal site on your own domain name in just a few minutes

53 points | 44 comments | Apr 21, 2015 | by dylanbfox

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#49 Show HN: StatisticalAtlas.com: demographic charts and maps down to the city block

51 points | 19 comments | Apr 07, 2015 | by jacobn

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#50 Show HN: Making an open-source 2D physics iOS game in 2 weeks

50 points | 2 comments | Apr 04, 2015 | by adamwulf

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#51 Show HN: Redis-pipe – Use Redis lists like Unix pipes

49 points | 10 comments | Apr 08, 2015 | by morgenkaffee

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#52 Show HN: Blank Slate, just start typing

47 points | 48 comments | Apr 23, 2015 | by clarkbarz

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#53 Show HN: PolyBrowser goes open source on GitHub. Let’s re-imagine web browsing

47 points | 24 comments | Apr 29, 2015 | by polysuite

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#54 Show HN: Basic voxel engine in WebGL/JavaScript with full source

47 points | 15 comments | Apr 03, 2015 | by nergal

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#55 Show HN: Ambient soundscape generator for productivity

45 points | 40 comments | Apr 25, 2015 | by razbo

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#56 Show HN: TrafficGun – Grow Your Traffic Easily

45 points | 35 comments | Apr 29, 2015 | by yabbadabbadoo

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#57 Show HN: The Loft Club – Monthly access to top restaurants in your city

45 points | 31 comments | Apr 30, 2015 | by dzine

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#58 Show HN: Made my own date picker for AngularJS

44 points | 43 comments | Apr 22, 2015 | by mobinni

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#59 Show HN: Live-programmable voxel landscape in WebVR

44 points | 8 comments | Apr 29, 2015 | by moron4hire

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#60 Show HN: An AVR based 8-bit Microcomputer

43 points | 5 comments | Apr 06, 2015 | by reidrac

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#61 Show HN: Jam.now.im – Multiplayer HTML5 audio

40 points | 34 comments | Apr 06, 2015 | by inportb

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#62 Show HN: Timely for Apple Watch – Scheduling and time tracking on your wrist

39 points | 11 comments | Apr 30, 2015 | by matmik

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#63 Show HN: Bud – A new build tool for C# projects

37 points | 14 comments | Apr 19, 2015 | by urbas

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#64 Show HN: Octobot – Your Friendly GitHub Status App

37 points | 13 comments | Apr 17, 2015 | by jcouture

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#65 Show HN: PHPunctional, a PHP Functional Programming Library

37 points | 11 comments | Apr 23, 2015 | by r-cyr

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#66 Show HN: Share text and links between all your devices

35 points | 13 comments | Apr 01, 2015 | by lavamantis

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#67 Show HN: Evenk C++ concurrency library

35 points | 10 comments | Apr 23, 2015 | by avdicius

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#68 Show HN: Shireframe – Open source declarative wireframing tool for programmers

34 points | 11 comments | Apr 12, 2015 | by tsxxst

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#69 Show HN: Varnishtuner.py

34 points | 9 comments | Apr 18, 2015 | by jjoe

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#70 Show HN: Cat, a C++14 functional library

34 points | 4 comments | Apr 29, 2015 | by awgn

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#71 Show HN: Karn – Manage multiple Git identities

33 points | 13 comments | Apr 30, 2015 | by prydonius

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#72 Show HN: TWGL – A tiny WebGL helper library

33 points | 4 comments | Apr 06, 2015 | by greggman

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#73 Show HN: Askmee

32 points | 18 comments | Apr 25, 2015 | by dontpanicgr

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#74 Show HN: VoxLords – My latest WebGL Chrome Experiment

32 points | 10 comments | Apr 28, 2015 | by nergal

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#75 Show HN: Getting started with Go and Martini

31 points | 20 comments | Apr 27, 2015 | by j_mcnally

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#76 Show HN: NebulaDB, my first attempt at a database

30 points | 35 comments | Apr 18, 2015 | by jhedwards

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#77 Show HN: A tool to audit your Google Analytics implementation

30 points | 12 comments | Apr 28, 2015 | by thatsnice

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#78 Show HN: L1-path-finder, a fast path planner for grids

30 points | 11 comments | Apr 30, 2015 | by 33a

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#79 Show HN: A 60 second meditation tool to help clear your mind

30 points | 11 comments | Apr 30, 2015 | by MonolithBurger

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#80 Show HN: Tabletone – live looping in JavaScript

30 points | 10 comments | Apr 26, 2015 | by sgentle

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#81 Show HN: Rent camping gear and get it delivered up to 1 hour before the trip

29 points | 59 comments | Apr 01, 2015 | by jmzbond

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#82 Show HN: Scrapple – A framework for creating semi-automatic web extractors

29 points | 8 comments | Apr 14, 2015 | by alexmathew16

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#83 Show HN: Turn Your Google Calendar into a Gantt Chart

28 points | 6 comments | Apr 01, 2015 | by Schweigi

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#84 Show HN: Messenger.com Native

27 points | 21 comments | Apr 09, 2015 | by imd23

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#85 Show HN: Real-Time Video Chroma Key with Delta-E Formula

27 points | 6 comments | Apr 26, 2015 | by zschuessler

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#86 Show HN: I made a super easy way to verify users' mobile numbers using SMS

26 points | 21 comments | Apr 21, 2015 | by ccheever

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#87 Show HN: React component for blurred backgrounds

25 points | 17 comments | Apr 03, 2015 | by javierbyte

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#88 Show HN: Lini, a tool for smart Linkedin contacts management

25 points | 8 comments | Apr 20, 2015 | by kateklink

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#89 Show HN: Ng-dial – An Angular.js directive for an interactive dial component

25 points | 8 comments | Apr 13, 2015 | by carsie

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#90 Show HN: Tigress – Diversifying Virtualizer/Obfuscator for C

25 points | 1 comments | Apr 05, 2015 | by tigress

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#91 Show HN: Semi – AI helps you reply emails in a few taps

24 points | 7 comments | Apr 19, 2015 | by allanhahaha

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#92 Show HN: Jison Debugger – A visual editor for JavaScript parsers and lexers

24 points | 5 comments | Apr 09, 2015 | by nolanl

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#93 Show HN: Roboto, build and deliver your iOS and Android apps

24 points | 4 comments | Apr 07, 2015 | by phillipcaudell

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#94 Show HN: Debug C# in web browser

24 points | 4 comments | Apr 05, 2015 | by LouigisBrother

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#95 Show HN: Clearbit, APIs for determining who's behind an email address

24 points | 1 comments | Apr 21, 2015 | by harlow

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#96 Show HN: DiveReal – A Virtual World inside StreetView

23 points | 16 comments | Apr 09, 2015 | by joak

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#97 Show HN: Game of Angels – A force-directed graph showing key VCs interactions

23 points | 12 comments | Apr 16, 2015 | by cam_pj

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#98 Show HN: immut.io – an immutable blob store

22 points | 14 comments | Apr 19, 2015 | by tg3

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#99 Show HN: Instantly stream torrents in the browser

22 points | 13 comments | Apr 05, 2015 | by milankragujevic

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#100 Show HN: Brainfuck with threads and assertions

22 points | 7 comments | Apr 15, 2015 | by scotchfield

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best of all time best of today best of yesterday best of this week best of this month best of last month best of this year best of 2025 best of 2024 yc s26 yc w26 yc s25 yc w25 yc s24 yc w24 yc s23 yc w23 yc s22 yc w22 yc s21 yc w21 yc s20 yc w20 yc s19 yc w19 yc s18 yc w18 yc all-time 3d algorithms animation android [ai] artificial-intelligence api augmented-reality big data bitcoin blockchain book bootstrap bot css c chart chess chrome extension cli command line compiler crypto covid-19 cryptography data deep learning elexir ether excel framework game git go html ios iphone java js javascript jobs kubernetes learn linux lisp mac machine-learning most successful neural net nft node optimisation parser performance privacy python raspberry pi react retro review my ruby rust saas scraper security sql tensor flow terminal travel virtual reality visualisation vue windows web3 young talents

andrey azimov by Andrey Azimov