Explore the evidence
Observe
48 published company profiles in Winter 2012. Membership is shown as a period, not a launch date.
*Acquired by Knotel in 2018
42Floors was founded in November of 2011 with the vision of making it easy to discover and create your dream office space. Based in San Francisco, the 42Floors team is made up of experience
James Bracy (Founder); Jason Freedman (Founder/CEO); Jonathan Bracy (Founder)
real estate · marketplace · B2B · SMB · San Francisco
site error
99dresses allows women all across the U.S. to buy, sell & trade fashion with thousands of shopaholics. Nikki Durkin, the founder of 99dresses, was sick of spending so much money on new clothes only to get bored with them
Dan Walker (Founder/Software Engineer); Nicole Durkin (Founder/CEO); Peter Delahunty (Founder)
retail ecommerce · marketplace · B2C · consumer · New York City
website reachable
Amiato's real-time integration service moves your data to where it's
most valuable to you. Today's flexible databases like MongoDB and
CouchBase let agile businesses accelerate and scale their operations,
but analyzing t
Nathan Binkert (Founder)
data infrastructure · subscription saas · B2B · mid-market · San Francisco
website unreachable
From analytics to feedback to code, Amplitude brings AI into every step of building self-improving products. Start free with 2M events per month.
Curtis Liu (Founder/CTO); Spenser Skates (Founder/CEO)
Product post · 29 Oct 2025
data infrastructure · subscription saas · B2B · mixed · San Francisco
Public pricing
website reachable
Ark.com is a search engine for people. With Ark, you can search for new people, old classmates, new business contacts, and even your friends. With over a billion social network profiles indexed, and using a modern archit
Jonas Templestein (Founder); Patrick Riley (Founder); Yiming Liu (Founder/Chief Platform Officer)
social community · free or unknown · B2C · consumer · San Francisco
website unreachable
Two-factor authentication (2FA) adds an additional layer of protection beyond passwords. Download our free app today and follow our easy to use guides to protect your accounts and personal information.
Daniel Palacio (Founder/CEO); Gleb Chuvpilo (Founder)
security · usage based · developers · developers · San Francisco
website reachable
Kytephone turns any Android into a safe kid
Boris Vaisman (Founder); Martin Drashkov (Founder); Renat Gataullin (Founder)
consumer services · subscription saas · B2C · consumer · San Francisco
website reachable
BookSolid is the opentable for tour operators.
Travis Kiefer (Founder/CEO)
travel · marketplace · B2B2C · SMB
website unreachable
Brace is the new way to host your website. We believe that website hosting shouldn't be complicated. With Brace, updating your website is as simple as saving files in Dropbox. Brace gives you two versions of your website
devtools · subscription saas · developers · developers · San Francisco
website reachable
Carsabi is the search engine for used cars
Christopher Berner (Founder)
retail ecommerce · advertising · B2C · consumer · San Francisco
website unreachable
hute powers enterprise UGC for brands, agencies and publishers – from discovering consumer photos and videos, both with visual and text search, to the ideation, production, and amplification of compelling visual material
Gaurav Sharma (Founder/Lead Engineer); Ranvir Gujral (Founder/CEO)
sales marketing · subscription saas · B2B · enterprise · San Francisco
website unreachable
CircuitHub offers on-demand electronics manufacturing powered by our factory-scale robotics platform, The Grid. This platform delivers a 10x improvement in the speed and cost of small-batch electronics production. Leadin
Andrew Seddon (Founder/CEO)
manufacturing industrial · services · B2B · enterprise · London
Public pricing
website reachable
Learn more efficiently and remember things longer with the power of science. CleverDeck includes 3000-word decks for most major languages.
Justin Cannon (Founder)
education · free or unknown · B2C · consumer · San Francisco
website reachable
Nouvou offers mobile file sharing and encryption solutions for enterprises. The company was founded in 2011 and is based in Santa Clara, California
Anirudh Ramachandran (Founder/CTO); Sai Thumuluru (Founder/CEO)
security · subscription saas · B2B · enterprise · San Francisco
website unreachable
FamilyLeaf is a private place to share your life with your family.
You create a private page where your family can easily share photos, share life updates, store contact information, and post messages.
Our mission
Ajay Mehta (Founder); Brandon Paton (Founder); Henry Liu (Founder); Wesley Zhao (Founder)
social community · free or unknown · B2C · consumer · San Francisco
website unreachable
Flutter is recreating the magic of seeing someone in real-life for the first time, on your phone.
Flutter lets you record short, ephemeral videos to express yourself and capture the attention of potential matches nearby
Mehul Nariyawala (Founder/Product Management); Navneet Dalal (Founder/CEO)
social community · free or unknown · B2C · consumer · Los Angeles
website unreachable
Givespark was a celebrity fundraising platform
consumer services · transaction fee · nonprofit · consumer · San Francisco
website unreachable
Glider brings clarity and workflow to the deal process. From large, publicly traded companies to small, growing businesses, Glider is helping industry leaders maintain focus on their businesses rather than babysitting co
Brandon Paton (Founder); Henry Liu (Founder); John Marbach (Founder)
productivity · subscription saas · B2B · mixed · Portland
website reachable
Launched in 2012 as ZenPayroll, Gusto serves more than 300,000 businesses nationwide. Each year we process tens of billions of dollars of payroll and provide employee benefits—like health insurance and 401(k) accounts—wh
Edward Kim (Founder/Empowering Gusto's Engineering Team); Josh Reeves (Founder/CEO); Tomer London (Founder/; E
hr recruiting · subscription saas · B2B · SMB · San Francisco
site error
Smart collaborative documents. Company wiki. Personal notes. Event planning. Classroom collaboration.
Igor Kofman (Founder)
productivity · subscription saas · B2B · mixed · San Francisco
website unreachable
Hire Smarter with HireArt.
We're a modern staffing agency that uses work samples and video assessments to generate deeper insight & connect contractors to companies where they'll thrive.
Our graders and account man
Nicholas Sedlet (Founder)
hr recruiting · services · B2B · mixed · New York City
website reachable
Founded in 2010 and located in the heart of Silicon Valley, iCracked is the most uncommonly awesome way to repair your iPhone, iPad or Samsung Galaxy at the time and location of your choosing. Powered by a nationwide net
Tony Martin (Founder/Chief Strategy Officer)
consumer services · services · B2C · consumer · San Francisco
site error
Trusted by Frost Museum and Georgia Aquarium, we provide the healthiest jellyfish with a live arrival guarantee. Find everything you need for a stress-relieving jellyfish tank, including aquariums, starter kits, and main
Alex Andon (Founder/CEO)
retail ecommerce · hardware sales · B2C · consumer · San Francisco
website reachable
Marft creates embeddable machine learning models for application developers. Users submit data by web/API, and receive optimized models implemented in a language of their choice.
ai infrastructure · usage based · developers · developers
website reachable
Our 3D cameras and virtual tour software platform help you digitize your building, automatically create 3D tours, 4K print quality photos, schematic f
David Gausebeck (Founder/CTO)
real estate · hardware sales · B2B · mixed · San Francisco
Public pricing
website reachable
The governance and evidence infrastructure for consequential AI and agent decisions in healthcare.
Michael Chiu (Founder/CEO); Stephen Oakley (Founder); Yuhao Ding (Founder/CTO)
healthcare · subscription saas · B2B · enterprise · Los Gatos
website reachable
Medmonk is a patient support services company that partners with pharmaceutical manufacturers to simplify and accelerate patient access to therapy. Our comprehensive solutions include HUB Services, Copay Assistance Progr
Abbas Mehdi (Founder); Somaira Punjwani (Founder)
healthcare · subscription saas · B2B2C · mid-market · Milpitas
Public pricing
website reachable
Luma (formerly Midnox) allows you to record and share beautiful HD videos with real-time video stabilization, filters and zoom. Change filters and stabilization after you've finished recording! Follow your friends to wat
Alex Karpenko (Founder); Alexei Karpenko (Founder)
media entertainment · advertising · B2C · consumer · San Francisco
website unreachable
Simple to set up, on demand game servers.
Minefold runs game servers for popular games such as Minecraft and Team Fortress 2. Servers can be created and running in under 30 seconds and players pay by the hour.
Chris Lloyd (Founder); Dave Newman (Founder)
gaming · usage based · B2C · consumer · San Francisco
website unreachable
Per Vices builds the highest performing Software Defined Radios for mission critical applications for industries that can't live without them. Our products are modular, easy to use, provide the best possible performance,
Brandon Malatest (Founder/COO); Victor Wollesen (Founder)
hardware iot · hardware sales · B2B · enterprise · Toronto
Public pricing
website reachable
Pixelapse is the best place to share designs and work together. We build tools to improve the design process and make collaboration easier. Pixelapse simplifies version control and makes it accessible for designers to sh
Min Ming Lo (Founder); Shravan Reddy (Founder)
productivity · subscription saas · B2B · prosumer · San Francisco
website unreachable
Priceonomics is the price guide for everything.
Price guides are helpful for buying and selling used things. How much should I spend on this used bicycle on Craigslist? How much should I sell my stereo system for on eBa
Rohin Dhar (Founder)
sales marketing · services · B2B · mid-market · San Francisco
site error
Accelerate product breakthroughs with Rescale's digital engineering platform that transforms HPC, modeling and simulation data into engineering excellence.
Adam McKenzie (Founder/CTO); Joris Poort (Founder/CEO)
ai infrastructure · usage based · B2B · enterprise · San Francisco
Public pricing
website reachable
Ridecell is the world’s leading fleet intelligence platform. We bring AI to auto-leasing and finance companies - and to the fleets and consumers they serve - by turning 100+ fragmented systems (telematics, ERP, OEM porta
Aarjav Trivedi (Founder/CEO)
transport mobility · subscription saas · B2B · enterprise · San Francisco
website reachable
Free screen sharing using Screenleap. The fast, simple, and free way to share your screen instantly for online meetings, sales demos, and collaboration.
Lawrence Gentilello (Founder/Board Director); Tuyen Truong (Founder/CEO)
productivity · subscription saas · B2B · mixed · San Francisco
Public pricing
website reachable
SendHub is your all-in-one business text messaging platform. Send SMS campaigns, automate reminders, and handle support. Trusted by 10,000+. Start free.
productivity · subscription saas · B2B · mixed · San Francisco
Public pricing
website reachable
Send money abroad to your loved ones. Fast and secure international money transfers with the Sendwave app. Trusted by one million users around the world.
Drew Durbin (Founder/CEO)
fintech payments · transaction fee · B2C · consumer · Boston
website reachable
Shop unique, one-of-a-kind items from over 5000 independently owned boutiques.
Dan Morin (Founder); Jeff Morin (Founder); Olga Vidisheva (Founder/CEO); Peter Delahunty (Founder)
retail ecommerce · marketplace · B2C · consumer · New York City
website reachable
Socialcam is a new mobile video application coming to both iPhone and Android. Socialcam makes it fast, easy and fun to capture, share and view high quality movies of life's moments with friends and family.
Ammon Bartram (Founder); Guillaume Luccisano (Founder/Vice President Engineering)
media entertainment · advertising · B2C · consumer · San Francisco
website unreachable
Sysadmin as a service. We make deploying, configuring, monitoring,…
Kevin Kelley (Founder); Tom Brown (Founder)
devtools · services · B2B · SMB
website unreachable
Swiftype is a cloud-based search platform that provides all the tools you need to create fantastic search experiences.
Quin Hoxie (Founder)
data infrastructure · subscription saas · B2B · mixed · San Francisco
Public pricing
website reachable
Turn your smart phone into the ultimate push to talk walkie-talkie with TiKL. App available in Android Market and iPhone App Store. Its free.
Zafer Ahmed (Founder)
social community · free or unknown · B2C · consumer · San Francisco
site error
TapToLearn makes game-based learning apps for kids: math, spelling, grammar, geography and science. 36 million downloads. Math vs Zombies, Tiny Countries, Tiny Fractions and Grammar App now play free in your browser.
Aamir Poonawalla (Founder); Avinash Pandey (Founder); Priyanthy Aprain Srampical (Founder); Roby Thomas John (
education · free or unknown · B2C · consumer · San Francisco
website reachable
The Muse is a values-based careers site that helps Gen Z and millennial candidates find a career path and search for jobs at companies whose people, benefits, and values align with their unique professional needs. For em
Alex Cavoulacos (Founder/COO); Kathryn Minshew (Founder/CEO); Melissa Quino McCreery (Founder)
hr recruiting · marketplace · B2B2C · mixed · New York City
site error
Building extremely affordable financial infrastructure for Africa.
Drew Durbin (Founder/CEO)
fintech payments · transaction fee · B2C · consumer · Dakar
website reachable
WireOver is a desktop application that leverages peer-to-peer technology for sending files privately. It's free and unlimited, solving an unmet need for sending large files easily. Pro accounts get incredibly strong secu
Amit Bansil (Founder/CPO); Trenton Ashburn (Founder)
productivity · subscription saas · B2C · consumer · Boston
website unreachable
Zillabyte is a cloud platform for data analysis. Build apps, not infrastructure.
We set up and maintain the infrastructure you need to analyze your data. All you need to do is develop your app locally and test it usi
Jake Quist (Founder/CEO); Peter Harrington (Founder/Chief Scientist); Tyler Neylon (Founder/CTO)
data infrastructure · usage based · B2B · SMB · San Francisco
website unreachable
Deal search service
Sanjay Mavinkurve (Founder); Vijay Boyapati (Founder)
retail ecommerce · free or unknown · B2C · consumer
website unreachable