Best Show HN projects from Apr, 2011

Browse the top 100 projects launched on Hacker News Show HN during Apr, 2011.


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: my weekend project, Gumroad

396 points | 202 comments | Apr 04, 2011 | by sahillavingia

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#2 Show HN: Let's end the Programmer Salary Taboo

278 points | 147 comments | Apr 13, 2011 | by rglullis

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#3 Show HN: My weekend project, tracking the services you can't have in Canada

212 points | 118 comments | Apr 04, 2011 | by mcrider

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#4 Show HN: made a html5 game, polished it many many times

211 points | 114 comments | Apr 16, 2011 | by bazookaBen

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#5 Show HN: CSS3 Animated Glowing Forms

182 points | 57 comments | Apr 02, 2011 | by kaylarose

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#6 Show HN: Hacker Typer [joke]

160 points | 34 comments | Apr 25, 2011 | by duiker101

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#7 Show HN: An isometric marble run build in CoffeeScript

141 points | 25 comments | Apr 18, 2011 | by robert-boehnke

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#8 Show HN: Codr.cc - Etherpad meets Pastebin Meets Notepad.cc: live code sharing

135 points | 79 comments | Apr 25, 2011 | by jmonegro

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#9 Show HN: jsgif: A GIF player in JavaScript

128 points | 24 comments | Apr 04, 2011 | by shachaf

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#10 Show HN: Amazon EC2 instance comparison table

122 points | 33 comments | Apr 22, 2011 | by powdahound

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#11 Show HN: NationBuilder, my startup just launched

109 points | 93 comments | Apr 06, 2011 | by jgilliam

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#12 Show HN: my boilerplate CSS code for new designs, written in Less.

108 points | 19 comments | Apr 22, 2011 | by mgeraci

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#13 Show HN: A Y Combinator for Objective-C

97 points | 4 comments | Apr 13, 2011 | by jballanc

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#14 Show HN: Instafilm -- it's like Instapaper for videos

87 points | 51 comments | Apr 27, 2011 | by mahipal

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#15 Show HN: Patternify, a CSS Pattern Generator

74 points | 24 comments | Apr 07, 2011 | by sgdesign

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#16 Show HN: Timeslot makes planning your day a breeze

71 points | 50 comments | Apr 29, 2011 | by chetan51

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#17 Show HN: weekend project, Readstream

65 points | 72 comments | Apr 19, 2011 | by wesleyzhao

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#18 Show HN: SyncPad on 40 iPads simultaneously

59 points | 8 comments | Apr 04, 2011 | by davidedicillo

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#19 Show HN: Our app built at the Startup Weekend SanJose in 48 hours: Shout A Tweet

58 points | 36 comments | Apr 17, 2011 | by DFectuoso

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#20 Show HN: A designer friend and I made ffffallback.com for testing fallback fonts

56 points | 11 comments | Apr 20, 2011 | by markchristian

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#21 Show HN: Garden Madness, a flowery HTML5 game

53 points | 36 comments | Apr 21, 2011 | by superted

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#22 Show HN: my new project, an app to tell your friends what you need

46 points | 29 comments | Apr 22, 2011 | by lolizbak

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#23 Show HN: measure curiosity of your website users

45 points | 33 comments | Apr 06, 2011 | by mihar

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#24 Show HN: crawl a website and store it in S3 from your browser

43 points | 12 comments | Apr 30, 2011 | by spullara

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#25 Show HN: SocialSign.me - About.Me for Your Email Signature

42 points | 31 comments | Apr 19, 2011 | by nicoslepicos

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Don't miss when the next Dropbox or Stripe launches



#26 Show HN: Grim Tweeper, easy way to clean up Twitter 'follow' lists

40 points | 33 comments | Apr 04, 2011 | by wesleyzhao

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#27 Show HN: WhoWorks.At - Professional Heads Up Display

40 points | 12 comments | Apr 17, 2011 | by johndbritton

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#28 Show HN: Implementing durability for in-memory databases, on SSDs

40 points | 4 comments | Apr 13, 2011 | by Emore

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#29 Show HN: My weekend project for those who obsessively follow AAPL, GOOG & MSFT

39 points | 22 comments | Apr 13, 2011 | by magsafe

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#30 Show HN: App for sharing your weekly schedule

38 points | 23 comments | Apr 30, 2011 | by godinaa

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#31 Show HN: My weekend project, ReVisualizer. It visualizes Tumblr Reblogs.

35 points | 10 comments | Apr 12, 2011 | by warfangle

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#32 Show HN: my weekend project - sell files for bitcoins

34 points | 32 comments | Apr 04, 2011 | by hippich

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#33 Show HN: Our new iPad app for pilots - totally free for now

34 points | 18 comments | Apr 18, 2011 | by andrewljohnson

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#34 Show HN: I was afraid to launch, so I did. Babolog.

33 points | 36 comments | Apr 07, 2011 | by sabalaba

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#35 Show HN: Webchat with API in just ~60 lines of NodeJS

33 points | 16 comments | Apr 06, 2011 | by kaerast

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#36 Show HN: weekend project, Find Similar Restaurants with the Hunch API

32 points | 15 comments | Apr 05, 2011 | by handler

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#37 Show HN: Review my project: Git Code Press, blogging via git

31 points | 32 comments | Apr 25, 2011 | by sorenbs

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#38 Show HN: Readable-HN Chrome extension

28 points | 17 comments | Apr 05, 2011 | by jorde

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#39 Show HN: Boot β€˜strapped’ in Detroit

27 points | 26 comments | Apr 21, 2011 | by BallinBige

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#40 Show HN: Create a simple SMS to-do list for your music. (alpha)

27 points | 13 comments | Apr 01, 2011 | by ajaymehta

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#41 Show HN: My cooking app that tells you what ingredients go well together

25 points | 35 comments | Apr 07, 2011 | by kbrower

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#42 Show HN: My 1-week project, OpenCombinator.com

24 points | 21 comments | Apr 30, 2011 | by noduerme

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#43 Show HN: StartupGuild Hackethon - Yammer API + Gmaps API - Member Locator

23 points | 6 comments | Apr 05, 2011 | by jv22222

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#44 Show HN: Clean Up Your Mess, a Guide to Visual Design for Everyone

22 points | 6 comments | Apr 04, 2011 | by nonrecursive

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#45 Show HN: New release of my startup, Interstate (http://interstateapp.com)

20 points | 19 comments | Apr 07, 2011 | by sim0n

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#46 Show HN: The Daily Cramp – A daily reminder to master her monthly cycle

20 points | 15 comments | Apr 01, 2011 | by TAGMentor

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#47 Show HN:Bitcoin parody site - we use carrots.

20 points | 8 comments | Apr 24, 2011 | by noagendamarket

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#48 Show HN: co.vu Free Domain Name with easy dns setup and more. Invite code - hn

18 points | 25 comments | Apr 24, 2011 | by arunkk

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#49 Show HN: Tasskr

18 points | 23 comments | Apr 13, 2011 | by dan335

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#50 Show HN: Prompt.im - A simple real-time chat app built in 1 day

18 points | 14 comments | Apr 17, 2011 | by sim0n

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#51 Show HN: "LawyerClock" - watch your cash burn during meetings

18 points | 12 comments | Apr 11, 2011 | by jaredstenquist

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#52 Show HN: HTML5 grid-drawing tool for UI designers

18 points | 9 comments | Apr 11, 2011 | by antichaos

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#53 Show HN: weekend project, +10 Charm. Where should you eat next?

18 points | 6 comments | Apr 15, 2011 | by jasontan

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#54 Show HN: I'm building a github for guitarists and bass players

17 points | 21 comments | Apr 25, 2011 | by inkaudio

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#55 Show HN: My startup - Summarizing popular HN articles

16 points | 28 comments | Apr 04, 2011 | by MichaelApproved

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#56 Show HN: Non-technical founder MVP = Hustlebee

16 points | 25 comments | Apr 05, 2011 | by danielayele

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#57 Show HN: weekend project, Hawt Cakes

16 points | 6 comments | Apr 11, 2011 | by choogi

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#58 Show HN: Auto Swatch - New-car research that doesn't suck

15 points | 40 comments | Apr 20, 2011 | by nicksergeant

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#59 Show HN: "curl … | sh" is bad.

14 points | 18 comments | Apr 08, 2011 | by sandofsky

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#60 Show HN: Pacmaze v2 - Event More WebGL in Pacman

14 points | 5 comments | Apr 20, 2011 | by jerome_etienne

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#61 Show HN: Blurity, my project for making blurry photos sharp

14 points | 4 comments | Apr 18, 2011 | by teuobk

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#62 Show HN: my weekend project, Swapshot!

13 points | 18 comments | Apr 24, 2011 | by sahillavingia

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#63 Show HN: See how your startup stacks up against others in your space

13 points | 11 comments | Apr 17, 2011 | by paulsingh

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#64 Show HN: No More Open Tabs Left at the Bar

13 points | 8 comments | Apr 25, 2011 | by fapi1974

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#65 Show HN: Building a web app in 24hrs

13 points | 7 comments | Apr 07, 2011 | by jcnotchrist

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#66 Show HN: Review my site LineOfThought.com, Share the technology behind your site

13 points | 6 comments | Apr 17, 2011 | by dyogenez

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#67 Show HN - My weekend Django project (Pick the violent felon)

12 points | 13 comments | Apr 29, 2011 | by not_chriscohoat

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#68 Show HN: Thumbomatic - Amazon pricing for thumbnails

12 points | 6 comments | Apr 14, 2011 | by terryjsmith

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#69 Show HN: CacheFS

12 points | 4 comments | Apr 25, 2011 | by cconstantine

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#70 Show HN: Minno sells Groupons for 50% off

12 points | 1 comments | Apr 21, 2011 | by choogi

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#71 Show HN: Feed Topic explained in illustrated introduction video.

12 points | 1 comments | Apr 12, 2011 | by kineticac

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#72 Show HN: Our first startup attempt: blogging without a blog

11 points | 25 comments | Apr 09, 2011 | by akligman

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#73 Show HN: Create css/html images that can't be blocked by email providers

11 points | 14 comments | Apr 27, 2011 | by dwwoelfel

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#74 Show HN: SteadyCam. Real-time video stabilization on the iPhone 4

11 points | 8 comments | Apr 05, 2011 | by alexkcd

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#75 Show HN: Comparing checkin counts from Foursquare and Facebook Places

11 points | 7 comments | Apr 08, 2011 | by alooPotato

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#76 Show HN: My Weekend Project - Twilio Powered Magic 8-Ball

11 points | 0 comments | Apr 25, 2011 | by Jacob4u2

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#77 Show HN: AppsTxt.com, Everyday a Free App by Text

10 points | 10 comments | Apr 27, 2011 | by bjonathan

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#78 Show HN: Dripi.com - A little web app that won a Google I/O ticket

10 points | 6 comments | Apr 06, 2011 | by MatthewRayfield

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#79 Show HN: Vuru - A Tool to Help Pick High Quality, Undervalued Stocks

10 points | 4 comments | Apr 19, 2011 | by yoseph

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#80 Show HN: I Made An App In Under Five Hours

10 points | 3 comments | Apr 24, 2011 | by redfloatplane

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#81 Show HN: My app finds the word you've been trying to remember all day

10 points | 3 comments | Apr 11, 2011 | by chime

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#82 Show HN: Coil, an HTML5 Canvas + WebGL game

10 points | 0 comments | Apr 19, 2011 | by hakim

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#83 Show HN: a social site designed to manage multiple groups

9 points | 25 comments | Apr 30, 2011 | by circleriot

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#84 Show HN: boxify.me - I made a file-sharing app while AWS was down

9 points | 14 comments | Apr 22, 2011 | by guynamedloren

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#85 Show HN: Anonymous Mode, an experiment with anonymity on Facebook

9 points | 8 comments | Apr 11, 2011 | by yakto

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#86 Show HN: LifeSnapper.com (Alpha)

9 points | 6 comments | Apr 17, 2011 | by SabrinaDent

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#87 Show HN: Review My Startup

9 points | 3 comments | Apr 07, 2011 | by nlake44

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#88 Show HN: Boply - Sell Stuff Simply

8 points | 10 comments | Apr 26, 2011 | by freddy

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#89 Show HN: Review our weekend project, The URLD

8 points | 7 comments | Apr 29, 2011 | by timerickson

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#90 Show HN: Project management and collaboration app for agencies

8 points | 6 comments | Apr 12, 2011 | by bendtheblock

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#91 Show HN: IntelliCAPS - Intelligently convert ALL CAPS to mixed case

8 points | 2 comments | Apr 21, 2011 | by jawns

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#92 Show HN: Said.fm now with Semantic-ish Search

8 points | 2 comments | Apr 07, 2011 | by abdels

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#93 Show HN: New Fwix Local API (from the team at Fwix)

8 points | 1 comments | Apr 22, 2011 | by goo

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#94 Show HN: New video to explain new service

8 points | 1 comments | Apr 12, 2011 | by vshlos

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#95 Show HN: effortless bookmarking site

7 points | 13 comments | Apr 22, 2011 | by rinnku

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#96 Show HN: Clpstr - The Instafilm we never finished.

7 points | 2 comments | Apr 27, 2011 | by ddinch

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#97 Show HN: Twilio Game - Mobile Mad Libs

7 points | 1 comments | Apr 04, 2011 | by brianshaffer

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#98 Show HN: Review our Landing Page

6 points | 10 comments | Apr 29, 2011 | by alooPotato

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#99 Show HN: A slightly quicker way to write HTML

6 points | 9 comments | Apr 21, 2011 | by MattBearman

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#100 Show HN: My weekend app, iWagerr. Track and share casual bets with your friends

6 points | 7 comments | Apr 04, 2011 | by bvi

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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