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Jona DIY kit to help makers' startups get press coverage
AngelList Weekly The best of the startup world, curated weekly 💌
Airbnb Official API Develop your application for millions of travelers & hosts
Pagescreen Track any website visual change. Effortless.
Opporty Service marketplace for small businesses on the blockchain
LifeDigger Evolving personal knowledge base
speed-test-cli Test your download speed using SpeedTest on the command-line
HustleCase The whiteboard laptop case
Habitify 3.0 A free iOS habit tracker with data analytics
RiteTag 2.0 Extensions Instagram/Twitter hashtag suggestions from any image or text
MindFi Meditate with open eyes. Be productive.
Player.me Tools to help players create better live streams
HoloCam Augmented reality video for iOS
Chronicle The easiest, fastest bill manager in the App Store
LunaR The world's first solar-powered smartwatch
Moona Head temperature control & machine learning to improve sleep
Chhota A front-end url shortener without any database
Unfollow for Twitter Super easy tool to unfollow your non-followers
Stripe Elements Beautiful, smart checkout flows 💳💸
The Y Combinator Database The definitive database of YC companies with all the metrics