YC Summer 2013 (S13) companies

7cups connects people seeking emotional support with trained volunteer listeners through anonymous, on-demand text chat. It serves anyone who wants to talk through personal concerns, from everyday stress to deeper existential questions, without judgment or advice. The service replaces the friction and social stakes of leaning on friends, family, or formal therapy for a first outlet.

Amulyte builds a remote monitoring and activity tracking system for seniors who want to continue living independently at home. The device detects falls and tracks activity without requiring a base station, giving coverage anywhere rather than only within range of home-bound hardware. It replaces the need for in-person supervision or traditional medical alert systems tied to a fixed location.

Apptimize builds a mobile experimentation and release platform for product teams at iOS and Android app companies. It lets teams run A/B tests, push instant updates, and roll out changes to specific user segments without waiting for app store releases, replacing ad-hoc guesswork and slow engineering-gated deployments. The target customer is a mobile product or growth team trying to improve user acquisition, engagement, and retention through continuous, data-driven iteration.

Arcus builds a payments-as-a-service platform that lets businesses across Latin America accept, send, and process payments without building their own payment infrastructure. Clients connect via API to real-time payment rails, including Mexico's SPEI network, and can issue interbank account numbers, move funds 24/7, and manage the full payment operation through a dashboard. The platform replaces direct integrations with local banking systems and the compliance and engineering work that comes with them.

Asseta runs an online marketplace for semiconductor fab spare parts and used capital equipment, connecting buyers at manufacturing facilities with fabs, refurbishers, and dealers worldwide. It replaces the traditional broker and middleman model that dominates the used industrial equipment market, handling every quote and order so buyers and suppliers never interact directly. Buyers submit a single request, receive competing quotes, and purchase through the platform, cutting the sourcing work that typically falls on procurement and maintenance teams.

Audobox builds an in-app feedback tool for software teams, letting developers collect and manage user feedback directly inside their products. The website now presents an AI audio toolbox aimed at creators, covering noise removal, audio enhancement, and audio generation. The two directions reflect different phases of the company; the program description places Audobox in the developer and end-user feedback space.

BloomThat delivers curated flower arrangements and gifts on demand, targeting consumers who want a fast, low-effort way to send a thoughtful gesture. Customers order through a mobile app or website, replacing a trip to a florist or a slow traditional delivery service. Same-day delivery covers major metro areas; next-day delivery reaches the rest of the country.

Bop.fm builds a single destination for any song on the internet, pulling together Spotify, Rdio, iTunes, YouTube, SoundCloud, Deezer, and other services so listeners can find, play, and share tracks regardless of which platform they or their friends subscribe to. It replaces the friction of fragmented music libraries by giving every song one stable, service-agnostic link. Publishers, social networks, messaging clients, and artists embed this same playback layer through Bop.fm's partner API, replacing the need to build or maintain separate integrations with each music service.

Butter Systems builds a tableside ordering and payment platform for restaurants. Diners browse menus and place orders directly from a dedicated tablet or their own mobile device, replacing paper menus and reducing dependence on server availability. The product handles the full transaction at the table, cutting the steps between a customer's impulse and a completed order.

Buttercoin builds an open-source, high-volume digital trading engine for Bitcoin. It operates an order-book marketplace that matches buyers and sellers at scale, replacing manually arranged or slower exchange infrastructure. The target user is anyone needing a robust, transparent venue for high-throughput cryptocurrency trading.

Casetext builds AI-powered legal research tools for attorneys at law firms of all sizes, from large Am Law 100 practices to solo practitioners. Its core product, CARA, analyzes the context of a legal brief or document to surface relevant case authorities that traditional keyword search misses. The product was acquired by Thomson Reuters and now powers CoCounsel, an AI assistant for legal professionals.

CoreOS builds open source infrastructure software for teams running containerized applications at scale. Its core projects include Container Linux, a self-updating operating system designed for security, and etcd, the distributed key-value store that underpins Kubernetes cluster coordination. The company replaces manual OS maintenance and custom coordination layers that engineering teams would otherwise build and patch themselves. CoreOS is now part of Red Hat.

Cratejoy builds an all-in-one platform for subscription box businesses, serving merchants who want to launch and run recurring product subscriptions without writing code or assembling third-party plugins. On the merchant side, it handles storefront, billing, and subscriber management. On the consumer side, it operates a marketplace where shoppers browse and subscribe to curated boxes across categories from food and drink to books and self-care.

Crowdery builds a consumer product discovery platform where users vote on product designs, receive a personalized storefront of their top picks, and can pre-order winning products at a discount. It replaces passive browsing with a curated, preference-driven shopping experience. The target user is a consumer looking to discover and back new product designs before they reach retail.

Datarank monitors online social media conversations to give large consumer brands structured intelligence about their own reputation, competitors, and marketing campaigns. Its proprietary search language, Fizzle, filters out irrelevant results that trip up standard Boolean queries, giving analysts cleaner signal from raw social data. The platform replaces manual social listening and ad-hoc keyword searches for brand and insights teams at Fortune 100 companies.

DoorDash connects consumers to local and national restaurants by handling on-demand delivery through its last-mile logistics platform. Customers order from nearby restaurants that lack their own delivery infrastructure, and DoorDash dispatches independent drivers to fulfill those orders. The product replaces ad-hoc phone orders and in-house restaurant delivery operations.

EasyPost builds a multi-carrier shipping API for retailers, e-commerce platforms, fulfillment providers, and third-party logistics companies. It replaces direct integrations with individual carrier systems by providing a single API that covers label generation, address verification, real-time tracking, insurance, and AI-driven rate decisions across more than 100 carriers. Engineering teams integrate once instead of maintaining separate connections to each carrier's legacy technology.

Echo Locker builds an Android lock screen platform that surfaces and sorts notifications for consumers. The app automatically categorizes incoming alerts and elevates the most important ones directly to the lock screen, replacing the need to unlock a phone and manually scan through notification trays to find what matters.

Estimote, Inc. builds SpaceTimeOS, an operating system for physical spaces that makes buildings and facilities programmable. Small UWB and Bluetooth sensors installed on walls, ceilings, and objects create a real-time digital twin of the space, tracking the inch-precise location of assets, people, and vehicles. This replaces manual location monitoring and disconnected facility systems with automated, app-driven workflows that trigger actions as things and people move through a space.

FanHero builds a branded community and content platform for creators and small businesses that want to publish courses, run live streams, and sell memberships without stitching together separate tools. Its CREATOR AI feature converts existing documents into structured courses, replacing manual curriculum-building. The platform consolidates audience engagement and monetization in one hosted space.

Floobits lets software developers collaborate on code in real time using their own native text editors, replacing the need to be in the same room to pair program. It brings real-time collaborative editing into the browser while keeping each developer's preferred local environment intact. The product targets developers and engineering teams who want to write code together remotely.

Glio builds an online marketplace connecting buyers and sellers across Latin America, modeled on the Amazon Marketplace experience. It targets consumers who lack access to a reliable, price-competitive e-commerce platform in the region, replacing fragmented or lower-quality local shopping options with a centralized storefront that emphasizes competitive pricing and customer service.

GoComm builds a real-time communications and task management platform for distributed teams running live events. It serves event companies, venue operators, and individual organizers who coordinate mobile workforces across complex productions. The platform replaces ad-hoc messaging and manual task tracking by delivering integrated communications and task management that works on the devices teams already carry.

Graft Concepts builds an AI-powered product concept generation and innovation lab platform. The platform helps product teams generate, evaluate, and refine hardware concepts faster, replacing manual ideation and early-stage design review cycles. Blog content covers machining tolerances, injection molding, and AI-assisted concept scoring, pointing to an engineering and manufacturing audience.

Hackermeter builds a technical recruiting platform that replaces traditional resume screening with hands-on code challenges. Engineering hiring teams use it to evaluate candidates on actual coding ability rather than credentials. The product cuts out the manual, judgment-heavy step of filtering resumes before any technical assessment begins.

Hum embeds an internet service marketplace inside residential property apps, letting residents search, compare, and order internet plans from multiple providers without leaving the platform. It targets property managers and multifamily operators who want to simplify the move-in process, replacing the step where residents independently hunt for and sign up with an ISP. The product ships as a white-label, provider-neutral widget that connects via API and goes live in days.

Ixiplay builds a smart, Android-based robot toy for young children. The robot sees, hears, speaks, and moves, letting kids play games and interact using physical cards that trigger emotional responses on the robot's face. It replaces passive toys with an interactive, programmable companion that parents and developers can extend through an app store, accessories, and swappable character skins.

Kivo builds a plugin that brings version control to everyday document editing, letting multiple collaborators share edits and track document history without leaving applications like PowerPoint. It targets teams that pass files back and forth manually or rely on cumbersome email chains to manage revisions. The plugin replaces that ad-hoc process with a structured, Git-style workflow layered directly inside familiar editing tools.

Layer By Layer runs an online marketplace where designers list printable 3D models and consumers buy, sell, or download them to print at home. The platform targets both hobbyists and non-technical users who own personal 3D printers, replacing the need to source or commission custom physical goods. Layer By Layer was acquired by MakerBot in February 2014.

Le Tote sends women a rotating selection of everyday clothing and accessories drawn from a personalized, algorithm-driven closet, replacing the need to own or shop for a full wardrobe. Subscribers receive curated shipments matched to their style profile, built on a large body of customer data and a proprietary recommendation engine. The service handles selection, fulfillment, and returns end to end.

Lob builds a direct mail automation platform that lets enterprise marketing and operations teams design, personalize, route, print, and track physical mail through a set of APIs and campaign tools. It replaces manual print vendor coordination with a programmatic pipeline backed by its own nationwide Print Delivery Network and Postal IQ routing infrastructure. Customers get piece-level delivery tracking and predictable postage costs without managing print production themselves.

LocalOn builds web marketing and CRM tools for small businesses and merchant associations. It gives local merchants a way to manage customer relationships and run online marketing campaigns, replacing manual outreach and disconnected tools. The product targets the SMB segment, where dedicated marketing staff and enterprise software are rarely an option.

Lumoid lets consumers try consumer electronics, such as cameras, lenses, and wearables, before committing to a purchase. Shoppers rent gear for a trial period and buy only what they decide to keep, replacing the guesswork of buying expensive hardware sight unseen.

Meta builds augmented reality glasses that place virtual objects, apps, and interfaces into a user's physical environment, controlled through hand gestures. The hardware targets everyday personal computing users, replacing desktops, laptops, tablets, and smartphones with a wearable display. The work it replaces is screen-based computing: windows, keyboards, and physical devices give way to spatially anchored virtual elements.

One Month builds short-form online coding and technology courses aimed at beginners and career-changers who want practical skills without a multi-year commitment. Each course runs on a 30-day model, covering topics from Ruby on Rails and Python to project management, replacing traditional bootcamps or self-directed trial-and-error learning.

Panorama Education builds a SaaS platform for K-12 school districts to track and act on student outcomes across academics, attendance, behavior, and graduation readiness. Its suite covers multi-tiered support systems, early-warning intervention, graduation planning, district-wide AI tools grounded in local student data, and surveys that collect feedback from students, families, and staff. It replaces fragmented spreadsheets, disconnected data systems, and manual outreach with a unified platform that gives educators a continuous view of each student.

RealCrowd built a marketplace for direct commercial real estate investing, letting individual investors choose and co-invest in specific properties alongside experienced real estate operators. The platform removed the high minimums and gatekeepers that traditionally kept private commercial deals out of reach for most investors. RealCrowd has since been acquired by Trinity Investors, which continues to offer direct access to real estate and operating company investments.

Reebee builds a digital flyer and coupon platform for Canadian shoppers, letting consumers browse weekly retail circulars, clip coupons to loyalty cards, and manage a shared shopping list in one app. On the retailer side, it replaces physical flyer distribution with targeted digital delivery and measurable consumer engagement data. The product competes for the attention that print flyers once captured by default.

Senic builds wireless, battery-free light switches for Philips Hue smart lighting systems, sold to consumers, prosumers, and professionals who want physical controls that work without an app, wiring, or configuration. The switches replace both traditional wired wall switches and the need to open a smartphone to adjust lights. Developed in partnership with Gira, they are designed and manufactured in Germany in indoor and weatherproof outdoor variants.

SimpleLegal builds legal operations software for in-house corporate legal teams. It centralizes matter management, legal spend tracking, accruals, and IP management in a single platform, replacing manual tracking across spreadsheets and disconnected tools. General counsel and legal ops professionals use it to control outside counsel costs and manage the full lifecycle of legal matters.

SoundFocus builds personalized mobile audio products designed to improve hearing for everyday device users. Its first product, the Amp case, pairs hardware with audio personalization to tailor sound to an individual listener's hearing profile. The company targets consumers who struggle with standard audio output and replaces one-size-fits-all audio with calibrated, personal sound.

SpoonRocket delivers restaurant-quality meals to consumers in under 15 minutes. The service targets hungry customers who want a hot, ready meal without the wait of traditional delivery or the effort of cooking. It replaces both slow food delivery and home meal preparation with speed as the core differentiator.

StackMachine provides a unified infrastructure API for AI agents, giving them hosting, file storage, databases, email delivery, and scheduled jobs through a single SDK. Developers building agent-powered products use it instead of wiring together separate cloud services for each capability. One API key provisions and manages the full stack the agent needs to operate.

Standard Treasury builds white-labeled and co-branded API developer platforms for banks, letting financial institutions expose their services to software developers. Banks use the platform to give business customers direct programmatic access to treasury and payment functions, replacing manual treasury management and accounting workflows. The product targets banks seeking to grow transaction volume and reduce customer servicing costs through developer ecosystems.

StatusPage builds incident and status communication tools for B2B software teams. Engineering, support, and DevOps teams use it to publish real-time service status pages, send outage notifications across email, SMS, and in-app channels, and track incidents from detection through resolution. It replaces ad-hoc email lists, manual status updates, and reactive support ticket floods during downtime events.

Teleborder builds a software platform that lets companies manage immigration, compliance, and reporting for international employees in one place. It serves businesses from early-stage startups to large corporations, replacing the fragmented mix of outside counsel, manual tracking, and disconnected tools that HR and legal teams otherwise rely on. A network of service providers delivers related immigration services directly through the platform.

True Link builds financial tools for vulnerable adults and the families and professionals who manage money on their behalf, including seniors, people with disabilities, and people in recovery. Its core product is a configurable prepaid Visa card with merchant-level spending controls and real-time alerts, replacing ad hoc cash management and paper checks. It also offers investment management for trusts and conservatorships, an accounting ledger for representative payees, and a white-label family banking product for banks and credit unions.

URX builds a mobile advertising platform that connects app publishers and advertisers to in-app commerce experiences. Publishers use it to monetize mobile content, while advertisers use it to route users directly to relevant purchase flows inside apps. The platform replaces generic ad placements that drop users at home screens with deep-linked ads that land users at the specific product or action being promoted.

Watchsend records the full state of iOS apps as video, letting mobile developers see exactly where users run into problems and why. Instead of piecing together abstract crash logs and usage metrics, developers watch a replay of what the app looked like at the moment an issue occurred, with behavioral analytics tied directly to that view. The product replaces the manual process of reproducing bugs and interpreting disconnected data streams.

WebCake builds a platform that lets marketing teams edit and update their own website content without relying on developers. The product targets B2B companies that need to keep their sites current and hands control of site changes directly to non-technical marketing staff.

Webflow builds a visual web development platform that lets marketers, designers, and developers build, manage, and publish production-ready websites without writing code or relying on engineering teams. It generates clean code behind a drag-and-drop canvas, replacing the traditional handoff between design tools and developer sprints. Customers range from independent agencies and freelancers to enterprise marketing teams at large corporations.

Weilos builds a social platform for people tracking weight loss and fitness progress. Members post body-transformation photos to a shared newsfeed, receive tips and encouragement from peers, and use a built-in camera tool that aligns shots consistently so incremental physical changes become visible over time. The product replaces the isolation of solo dieting with a community of people sharing the same goal.