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YC Summer 2010 (S10) companies

As of Mar 26, 2026, 36 companies · 63 founders

    View on ycombinator.com (opens in a new tab)

    Summer 2010 at a glance

    Companies
    36
    Founders
    63
    Founders per company
    1.8
    Median team size
    2.5

    Most common tags

    Share of companies. A company can carry several tags.

    • Analytics4 · 11%
    • Marketplace3 · 8%
    • Productivity3 · 8%
    • Community2 · 6%
    • DevOps2 · 6%
    • Email2 · 6%

    Where they are based

    Share of 33 companies with a listed location; 97% are in the US.

    • SF Bay Area25 · 76%
    • Los Angeles2 · 6%
    • New York2 · 6%
    • Columbus1 · 3%

    Companies in Summer 2010

    36 of 36 companies
    What they do
    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    1000Memories builds an online platform for organizing, sharing, and rediscovering personal photos and family history. It gives individuals and families a central place to collect old photographs, create memorial pages for loved ones, and build family trees. The product replaces physical shoeboxes, scattered print albums, and informal memorial arrangements.

    B2B
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    AdGrok builds search engine marketing software for business owners running Google AdWords campaigns. It automates keyword selection and bid management, replacing the manual work of optimizing paid search spend. AdGrok was acquired by Twitter in 2011.

    B2B
    Palo Alto, CA, USA
    Team of 40
    GPAgent profile

    AeroFS builds an enterprise file sync, share, and collaboration platform that runs on a company's own infrastructure rather than third-party cloud servers. IT teams retain full control over security protocols, eliminating the exposure that comes with storing files on a vendor's systems. End users get a consumer-grade file-sharing experience while IT gets the governance and control they require.

    Consumer
    Missoula, MT, USA; Remote
    Team of 3
    GPAgent profile

    AnyList builds a grocery and meal planning app for households. Shoppers use it to create organized grocery lists, store and import recipes, and plan meals on a calendar, replacing paper lists and disconnected recipe bookmarks. Lists sync in real time across all family members' devices, keeping everyone aligned on what to buy.

    B2B
    GPAgent profile

    Brushes makes drawing software for the iPad, giving artists and designers a native touch-based tool for creating illustrations directly on the device. The app replaces traditional desktop painting tools for on-the-go creative work. Both Brushes and its companion vector app Inkpad are now released as free, open-source software.

    B2B
    San Francisco, CA, USA
    Team of 40
    GPAgent profile

    Chartio builds a cloud-based data exploration and dashboard platform aimed at every employee in a company, not just data analysts or engineers. It connects to a company's existing data sources and lets non-technical users build charts and dashboards without writing SQL, replacing the bottleneck of routing every data question through a dedicated data team.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Chirply runs a crowdsourced marketplace where independent artists submit designs that the community votes on, and the winning designs are printed on everyday paper goods such as greeting cards, notebooks, and wrapping paper. It replaces the traditional top-down model in which a small editorial team selects which designs reach shelves, putting curation in the hands of buyers and fans instead.

    B2B
    Columbus, OH, USA
    Team of 40
    GPAgent profile

    DemandSphere builds SEO and content marketing intelligence software for in-house ecommerce teams and agencies. Its DemandMetrics platform converts large volumes of SERP and market data into prioritized growth recommendations, replacing manual search monitoring and ad-hoc competitive analysis. A separate data warehouse product gives search teams the raw pipeline infrastructure to detect and act on shifts in the search landscape, including visibility across large language models and AI-generated search results.

    B2B
    San Francisco, CA, USA
    Team of 201
    GPAgent profile

    Docker builds the container platform that developers, operators, and enterprises use to package and run software in isolated environments. It solves the gap between development and production by ensuring code runs the same way regardless of where it is deployed, replacing ad-hoc environment configuration and dependency management. Docker's current focus extends to securing sandboxed environments for AI agents and hardening container images for enterprise supply chains.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Fanvibe builds a mobile app for sports fans watching live games across major professional and college leagues. Fans check into games, share real-time reactions, and trade commentary with friends who are watching simultaneously. The app replaces fragmented score-checking and post-game catch-up with a single personalized feed of scores, breaking news, and friends' activity.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Fridge builds private, disposable group spaces that let people share photos, videos, music, and conversation outside the noise of a broad social graph. Anyone can spin up a lightweight network around a relationship, interest group, or one-time event, then let it go when it's over. The product replaces ad-hoc Facebook groups and email threads for small, temporary, or private gatherings. Fridge was acquired by Google and folded into Google+.

    YC top company
    Fintech
    San Francisco, CA, USA
    Team of 51
    GPAgent profile

    FutureAdvisor builds digital wealth management software for mass-affluent households that traditional financial advisory firms underserve. The platform automates portfolio management and delivers personalized investment advice at a fraction of the cost charged by conventional advisors. It replaces the manual, high-fee work that human wealth managers perform for wealthier clients, extending that service to middle- and working-class families.

    B2B
    San Francisco, CA, USA
    GPAgent profile

    Gantto builds web-based Gantt chart software for project managers who need to plan and communicate schedules without the complexity of tools like Microsoft Project. It targets teams whose existing workflow involves manually updating project models and then rebuilding the same data into presentations each week. Gantto collapses that two-step process into a single, shareable visual plan.

    B2B
    Mountain View, CA, USA
    Team of 2
    GPAgent profile

    GazeHawk builds webcam-based eye tracking software for usability researchers and advertisers. Using a standard webcam, it records where participants look on a webpage, advertisement, or image, replacing specialized lab hardware and in-person testing setups. This lets clients run large-scale, in-home studies at a fraction of traditional eye tracking costs.

    Consumer
    Seattle, WA, USA
    Team of 2
    GPAgent profile

    Habit Labs builds Budge, a behavior change platform that uses social commitment mechanics, friends pledging to do something in exchange for a partner doing something, to drive health habit formation. The product targets consumer health and wellness, replacing willpower-based or solo self-tracking approaches with peer accountability loops.

    Consumer
    San Francisco, CA, USA
    Team of 51
    GPAgent profile

    Hipmunk builds a travel search product for consumers who want to compare flights, trains, hotels, and home rentals in one place. It pulls results from major travel sites and displays them through visual sort interfaces, replacing the manual work of checking multiple booking sites. Travelers use it to weigh trade-offs across price, duration, and convenience at a glance.

    Consumer
    San Francisco, CA, USA
    Team of 201
    GPAgent profile

    Homejoy connects homeowners with vetted, background-checked professional cleaners through an online marketplace. Customers browse, book, and manage cleaning appointments in a few clicks, replacing the friction of finding and vetting independent cleaners on their own. The platform targets busy individuals who want reliable home cleaning without the overhead of a traditional agency.

    B2B
    Los Angeles, CA, USA; Remote
    Team of 250
    GPAgent profile

    inDinero delivers Finance as a Service to startups, small businesses, and mid-sized companies, combining human bookkeepers, accountants, tax professionals, and CFOs with AI-enabled workflows. It replaces the fragmented model of hiring an in-house finance team or juggling multiple firms by putting accounting, tax filing, and CFO-level strategy under one roof. Clients get real-time visibility into financial health and decisions backed by professionals who take accountability for the work.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Koduco builds iPad games designed for multiplayer collaboration between players sharing a single device. The games target consumers looking for co-located, cooperative play experiences. The product replaces turn-based or solo mobile gaming with real-time, same-screen interaction between multiple players.

    Consumer
    San Francisco, CA, USA
    Team of 11
    GPAgent profile

    Leftronic builds web-based dashboards that pull a company's key metrics into a single, real-time display sized for large screens. It connects to services such as Google Analytics, Twitter, and Zendesk, and accepts custom data through an API. Teams use it to replace manual metric-checking across scattered tools with one always-on view of business performance.

    Consumer
    New York, NY, USA
    Team of 1
    GPAgent profile

    MessageParty builds a location-based group chat platform that lets people send and read messages tied to a specific place or neighborhood. It connects strangers in the same physical area through real-time public conversation, replacing fragmented local forums and notice boards with live, place-anchored chat.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Opzi builds a Q&A platform for businesses, giving employees a structured way to ask questions and surface institutional knowledge. It replaces ad-hoc email threads and tribal knowledge silos by letting teams crowdsource answers internally, modeled on the public Q&A format popularized by consumer sites.

    Real Estate and Construction
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    PadMapper aggregates rental listings from hundreds of sources, including Craigslist, Apartments.com, and Oodle, into a single full-screen map interface for renters searching across the US and Canada. As users pan and zoom the map, listings update in real time and respond instantly to filter adjustments for price, size, and other criteria. It replaces the manual work of cross-checking multiple listing sites to find available apartments in a specific area.

    YC top company
    B2B
    San Francisco, CA, USA
    Team of 950
    GPAgent profile

    PagerDuty builds an operations platform that centralizes incident detection, alerting, and response for engineering and operations teams. It replaces fragmented, manual on-call workflows by routing alerts from monitoring tools to the right responders and orchestrating resolution across the full incident lifecycle. Customers range from small teams to large enterprises running critical digital services.

    B2B
    London, England, United Kingdom; Remote
    GPAgent profile

    Post.fm is a B2B email product built around a redesigned inbox experience. It targets professionals who manage email as a core part of their workflow, replacing the standard inbox interface with a new approach to reading and organizing messages.

    YC top company
    B2B
    San Carlos, CA, USA
    Team of 200
    GPAgent profile

    Presto builds AI-driven voice automation for drive-thru restaurants at large quick-service chains, including Taco John's and Wienerschnitzel. Its Voice AI system takes customer orders at the drive-thru window, replacing or augmenting the human staff who would otherwise handle that task. The platform also handles upselling and integrates with broader restaurant operations to reduce order errors and speed up service.

    Consumer
    GPAgent profile

    Pribbit built a social network where users share and broadcast other people's status updates rather than their own. The concept inverts the standard social posting model: instead of self-expression, the activity is curation and amplification of others. The website is no longer active, and no additional product details are available from current sources.

    B2B
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Rapportive pulls contact profiles directly into Gmail, showing a sender's photo, location, job title, and social connections alongside the email thread. It replaces the habit of switching tabs to look up a contact on LinkedIn or Google before replying. Anyone managing relationships by email gets instant context without leaving their inbox.

    Fintech
    Los Angeles, CA, USA
    Team of 12
    GPAgent profile

    Ready For Zero builds personal finance tools that help individuals pay down debt and manage their credit. Users create structured repayment plans, make payments, and track their progress across web and mobile, replacing manual spreadsheet tracking and ad-hoc budgeting. The company was acquired by Avant in 2015.

    Education
    New York, NY, USA
    Team of 7
    GPAgent profile

    Recurse Center runs a self-directed programming retreat where software developers spend six or twelve weeks, in person in Brooklyn or remotely, working on projects of their own choosing to sharpen their craft. It replaces the fragmented, distraction-filled self-study that programmers otherwise squeeze around jobs. The retreat is free to attend; Recurse Center earns revenue by connecting alumni with employers through an integrated recruiting service.

    B2B
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Simperium builds a cross-platform data sync service that keeps app data consistent across a user's devices in real time. The company also ships Simplenote, a note-taking app built on the same sync infrastructure, serving as a live demonstration of the platform. Developers integrate Simperium to replace custom-built sync logic in their own applications.

    B2B
    Team of 2
    GPAgent profile

    Tapzilla runs a daily-deal platform for paid iOS apps, featuring one discounted app per day. Developers use it to acquire new users; buyers pay full price at the App Store, then enter a coupon code inside the app to receive a rebate via PayPal or iTunes gift card. The product replaces direct App Store discovery and traditional app marketing for mobile developers.

    Consumer
    Cupertino, CA, USA
    Team of 11
    GPAgent profile

    Teevox builds a mobile remote control app for iPhone and iPad that operates Hulu and Netflix. Viewers use it to browse and launch shows with a single tap, control playback and volume, and watch content in sync with a remote friend, replacing the need for a standard TV remote and ad-hoc screen-sharing workarounds.

    Consumer
    San Francisco, CA, USA
    Team of 2
    GPAgent profile

    Upbeat delivers PR services for companies that need media coverage but cannot justify traditional agency fees. A team of software engineers and PR professionals handles strategy, journalist outreach, pitch campaigns, and relationship tracking through proprietary software, replacing the manual, opaque workflow of conventional PR firms. Clients get a dedicated PR contact, real-time campaign analytics, media monitoring, and a hosted press page.

    Consumer
    Mountain View, CA, USA
    Team of 2
    GPAgent profile

    Whereoscope builds a smartphone tracking app for parents who want to know where their children are throughout the day. It runs continuously in the background, using an intelligent location-sampling algorithm to limit battery drain, and triggers automatic alerts when a child arrives at or departs from places like school, a sports field, or home. It replaces manual check-ins and reactive phone calls between parents and kids.

    B2B
    San Francisco, CA, USA
    Team of 4
    GPAgent profile

    WorkFlowy builds a single, infinitely nested bullet-list workspace for individuals and teams who need one place to capture and organize every thought, plan, and note. Users replace a scattered mix of text editors, spreadsheets, and note apps with a single outline they keep open throughout the day. The interface stays deliberately minimal so that writing and thinking take priority over tool management.

    About this data

    Company facts and descriptions come from Y Combinator's public directory. Each company page links to its original listing.

    While a batch is still filling, we check its roster every day, and each page shows the date of the last check. Companies that drop off the directory drop off the roster here too.

    Profiles marked as GPAgent's are our own fund-neutral summaries, written from public information. No fund's scores, notes, or pipeline go into them.

    Source: ycombinator.com (opens in a new tab) GPAgent is not affiliated with Y Combinator.

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