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Friends motivate one another: I'll do x if you do y.

$35

Apptimize lets mobile teams innovate faster to create an amazing user…

API that lets companies embed investment accounts into their services

Auctomatic, a Y Combinator company, offers an auction and marketplace management system for all of those individual sellers on such sites as Ebay, Amazon, Overstock and others. The application lets you list your items as well as manage your sales, but it also helps you understand how to best optimize your selling and maximize profits.\n\nThe company also received an investment from Paul Buchheit, the lead developer of Gmail.

Cherry lets employees choose their own workplace perks.

Developer APIs to let your AI/LLM understand videos and audio.

Let users control your app through chat

DailyBooth lets users follow their friends and update them in real-time through the use of pictures and status updates.

Let your camera understand the world

Tilt lets anyone build an index out of any content on the web.

Etacts was born from the frustration of keeping in touch with our ever-growing list of friends (both business and personal), family, coworkers, and clients.\n\nIt's impossible to remember to stay in touch with all the people that matter. Etacts helps you maintain your relationships by doing three things:\n\n1) Showing you who you've lost touch with\n2) Letting you set reminders to stay in touch with people\n3) Helping you get back in touch meaningfully by giving you relevant context about your relationship with people, such as the last emails you exchanged, or their recent status updates.\n\nUse Etacts to build and maintain relationships with former friends, business partners, clients, and more!

FathomDB offers databases as a service, taking care of many of the day-to-day tasks database administrators have to deal with and letting them focus on more complex issues.

Group payments product which lets people pay together at any offline…

We let you know where to go and what to get once you get there.…

iJigg is a social music site that lets users vote on submitted singles using Digg-like voting. The site's home page shows what popular or recent singles the iJigg community is \

We let customers \

We're making a smart, front door camera with intercom that lets you…

Api that let you connect all the restaurant tech services in Latam

Product design tool that lets everyone design like a designer