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San Francisco Startups List

Map of the local innovation industry.
Meet some of the best and newest startups based in San Francisco.

52 social media platforms Startups View all

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@hypothes_is,puddlehq,@ChatSports,votizen,empireave,YEVVO,GroupMD,getmingly,storieapp,blockai,socialize,thepeepproject,addvocate,tiokiapp,Storify,cloudbot,thebackplane,newsle,nuzzel,lithiumtech,disqus,ark,mattr_co,getplayerpro,picovico,@quibb.com,zapchain,Hot5Fitness,spotsinfo,@newcofest,@dogbffinc,mentorcloud,imgur,@mojalink,wishdates,goodaudience,Convozine#,#endorphin_me,SphereTeam,poptheapp,louder,@ringztv,@capillarytech,GoNovoEd,
Api Bros - web dev agency that builds apis for startups

ApiBros

Dev agency for API-driven startups.
 Create flexible data endpoints, abstract the boring stuff & focus on buiding your app.

Hypothes.is - digital media internet infrastructure ventures for good social media platforms

Hypothes.is

Bad entry?

The Internet, peer-reviewed.
We want to dramatically increase the quality of information in the world, via the feedback loop of crowd-sourced peer review. Hypothes.is will allow community-moderated collaborative annotation of any document. It's based on a new draft standard for annotations, ...
Puddle - social media platforms consumer lending

Puddle

Bad entry?

Credit powered by people.
 Puddle is the first tool for credit in the US that anyone can use – not based on your credit score, but based on people that trust you.
Chat Sports - digital media sports social media platforms content discovery

Chat Sports

Bad entry?

Personalized news and scores, shared with friends.
 Chat Sports delivers personalized sports news from thousands of sources. It's the only app with live play-by-play for multiple games on a single screen and the best way to share sports with friends. Users choose teams and follow friends to get every relevant article ...
Votizen - social media platforms politics law enforcement curated web

Votizen

Bad entry?

Discover which of your friends are voters, and campaign with them to elect candidates.
 Votizen lets you discover which of your friends are registered voters on your existing social networks, and combine your votes together to campaign and elect candidates across the country.
Empire Avenue - social media social games social media platforms social media advertising

Empire Avenue

Bad entry?

A global marketplace for anyone to realize the value of their reputation and network
 Empire Avenue Inc. is a global marketplace for individuals to realize the value of their reputation and networks. Our platform (empireavenue.com) combines elements of social media analysis, games, networking and virtual currency systems to create a unique community ...
Yevvo - mobile digital media social media platforms video streaming

Yevvo

Bad entry?

Life is live.
 Stream live video to your friends and family. Invite the people you care about into your world and build moments together. Like life, your moments on Yevvo can only be enjoyed in real time—when it's over, it's over. No filters, no editing, no re-dos.
GroupMD - SaaS health care health care information technology social media platforms

GroupMD

Bad entry?

Secure place where care teams share information, collaborate and coordinate patient care
 GroupMD is a patient-centered collaboration platform.
Lowcost Email cheap flights alerts

NowBoarding ✈️

Invite-only mailing list.
We search the best weekend and long-haul flight deals so you can book before everyone else.

Mingly - big data social media platforms email social crm

Mingly

Bad entry?

Mingly makes it easy to grow relationships with people across your networks.
 Mingly makes it easy to grow relationships with people across your networks. Social networks make us more “connected” than ever, but with contacts and conversations scattered across the web, it’s easy to miss opportunities or fall out of touch. By creating an ...
Storie - mobile social media platforms blogging platforms lifestyle

Storie

Bad entry?

Social storytelling platform [AngelPad S11]
 Storie is a mobile (iOS) blogging platform where users express themselves through stories told through a series of pictures. This unique format is as expressive as a blog post but takes just minutes to compose and share. Stories can be shared within Storie's social ...
Kidlandia - entertainment social commerce social media platforms kids

Kidlandia

Bad entry?

Virtual playground on mobile & online, with branded "rides" to reduce IP & discovery risk.

Blockai - publishing social media platforms bitcoin Blockchains

Blockai

Bad entry?

Netscape of the Blockchain
 Blockai is a platform to give people who create digital assets a way to claim ownership of them by publishing to the blockchain, turning them into monetizable assets. The first product we're building on the platform is focused on publishing and claiming ownership ...
Socialize - mobile mobile advertising social media platforms interest graph

Socialize

Bad entry?

Identify and reward your most influential users with our drop-in social platform.
 Sold to ShareThis in 2013 ================= Smartphones and tablets are the most powerful and intimate ways ever invented to connect businesses to their customers. Companies that engage users via these channels will win over those that don’t. Socialize's drop-in ...
Invitation App - Share referral codes community

Invitation codes

The referral community
 Invitation App is a social network where people post their referral codes and collect rewards on autopilot.

The Peep Project - algorithms social media platforms content discovery

The Peep Project

Bad entry?

A Better Way to Rank & Measure Content
 The Peep Project (stealth name) is an ambitious project to change the way we interact with information. We're a growing team that believes that social data will change the way we consume content. We're still in stealth mode, so we can't say much more publicly, ...
Addvocate - SaaS enterprise software social media platforms social media marketing

Addvocate

Bad entry?

An employee coordination & advocacy platform for the enterprise
 Addvocate is building the first social enablement platform for companies to securely suggest content for employees to share on their personal social channels. Addvocate measures the results of actions taken on suggested content in a manner that respects the user's ...
Tioki - education social media platforms college recruiting k 12 education

Tioki

Bad entry?

Finding better educators faster
 Tioki is the premiere online professional network exclusively for the education market. Educators create professional profiles that can include video of themselves in the classroom. Currently, hundreds of schools, including Harlem Village Academies (NYC) and Oakland ...
Storify - digital media social media publishing social media platforms

Storify

Bad entry?

The future of storytelling
 Storify lets you make stories using social media (tweets, photos or videos) with a drag-and-drop interface. You can easily notify who you quote, helping stories spread virally. Stories are interactive objects that are embeddable anywhere. It's blogging for the ...
Cloudbot - mobile messaging social media platforms development platforms

Cloudbot

Bad entry?

Your apps. Simplified.
 Cloudbot is a mobile and web application that is an efficient solution to having your personal data and relationships scattered around on different services. People rely on different applications to access the little bits of their lives saved in the cloud. ...
trueAnthem - digital media analytics big data social media platforms

trueAnthem

Bad entry?

Predictive Social Publishing
 trueAnthem is a real-time analytics and social publishing solution for the media industry. We help media companies and content marketers increase social traffic to their sites through our patented social media tracking and optimization technology. Our solution ...
Backplane - social media communities social media platforms curated web

Backplane

Bad entry?

Enterprise social network
 The future of social networking doesn’t lie in an all-encompassing network, but in niche, private networks with purpose. Our Mission is to create a web of interconnected social networks, built on a platform that allows them to share in the value they create. ...
Copyin - digital media social media platforms knowledge management group email

Copyin

Bad entry?

Turn Everyday Email into your Company Knowledgebase
 You probably spend a lot of money backing up your company's data but what about its know-how? When someone leaves your company or goes on holiday do your team mates have the knowledge they need to cover for them? Nod if any of these sound familiar - you fear that ...
Hello - mobile location based services big data social media platforms

Hello

Bad entry?

Real-time meetups, mapping and navigation in a fun, social way.
 Hello is an always-on, real-time location system. It records snapshots of your day and shares them with friends building the digital diary of your life. We’ve developed new algorithms for extremely detailed location information - like understanding which company ...
Newsle - news social media platforms email newsletters social news

Newsle

Bad entry?

Tracks friends in the news
 When your friends make the news, Newsle lets you know. Newsle tracks your friends, colleagues, and anyone else you care about and alerts you when they're mentioned in news articles or blog posts. We're developing new, cutting-edge NLP and disambiguation algorithms ...
Nuzzel - social media communities social media platforms social news

Nuzzel

Bad entry?

The super-easy way to see news from your friends
 Nuzzel is the super-easy way to see news from your friends. Nuzzel is a new social news service founded by the creator of Friendster, and backed by Andreessen Horowitz, Charles River Ventures, 500 Startups, IDG Ventures, SoftTech VC, and angel investors including ...
Lithium Technologies - mobile enterprise software social media platforms big data analytics

Lithium Technologies

Bad entry?

Our software helps companies better connect with their customers
 Lithium's software helps companies reinvent how they connect with their customers. We work with more than 300 of the world's best brands— including AT&T, Best Buy, Indosat, Sephora, Skype and Telstra — to respond on social networks and to build trusted content ...
Disqus - digital media social media communities social media platforms

Disqus

Bad entry?

The largest network of discussion communities in the world.
 Disqus is a free service that enables great online communities. As the web’s most popular discussion system, Disqus is used by millions of websites that cover pretty much any topic imaginable. Our magic is in connecting people to stuff worth talking about. Explore ...
Ark - social media search social media platforms mobile search

Ark

Bad entry?

Modern People Search Engine. YC W2012. Ark.com
 Ark is a modern people search engine. · 30% of all online searches are people searches. · Ark enables users to search for new friends, find old classmates, and expanding their professional networks, or even their friends. · Founding team of Berkeley graduate ...
Mattr - digital media social media social media platforms social media marketing

Mattr

Bad entry?

Smart Social Segmentation: (21st Century Nielsen)
 Mattr uses a brand's social data for real time market research. Brands get: - meaningful segmentation, like Forrester's "Technographics" - sentiment and interests by segment - where their eyeballs and wallets are Without: - focus groups or polling - the limited ...
PlayerPro - mobile sports crowdsourcing social media platforms

PlayerPro

Bad entry?

Crowdsource Your Official Soccer Timeline
 PlayerPro automatically builds your official soccer timeline from photos, videos and stats taken from each game. We are to soccer players and teams what IMDb is for actors & movies, and LinkedIn is to professionals and businesses. Our API allows 3rd party developers ...
Picovico - video photography social media platforms photo sharing

Picovico

Bad entry?

Converts photos into videos
 Picovico is a video creation tool (online and mobile) that makes it easy and fun for everyone to create and share excellent slideshows. Of course, it’s a bonus that you can add your own music to it and create and share Picovico videos anytime. Best of all, it also ...
Tapvite - mobile social media platforms chat event planners

Tapvite

Bad entry?

simple, personal invites
 RallyChat is the simplest invite system ever.
Quibb - news social media platforms professional networking content discovery

Quibb

Bad entry?

Professional network to share industry news and analysis
 Quibb lets you share what you're reading for work. Use Quibb to share news about your industry, discuss what matters, and see what colleagues are reading. Our mission is to connect professionals over business news and informed commentary — targeting every industry, ...
ZapChain - communities social media platforms bitcoin

ZapChain

Bad entry?

Incentivized Discussions
 ZapChain is a platform for high quality discussions.
Hot5 - video fitness social media platforms photo sharing

Hot5

Bad entry?

Personal trainer for quick mobile workouts.
 Hot5 is a new fitness app offering short, effective video workouts with personal trainers. Users can stream together multiple five-minute routines (targeting abs & core, butt & legs, cardio & agility, muscle & strength, yoga & flexibility) to create a personalized ...
SPOTS - mobile sports local social media platforms

SPOTS

Bad entry?

Your local sports community.
 SPOTS is the fun, easy way to play sports you love with people nearby. 1. SPOTS shows you people nearby who are looking to play your sports e.g. tennis, basketball, soccer, rock climbing, ping pong, volleyball, squash, billiards and over 140 more... 2. Connect ...
NewCo - digital media social media platforms recruiting events

NewCo

Bad entry?

Identify, Celebrate, and Connect Engines of Positive Change
NewCo Festivals is the first event series to "follow the free" and employ a sharing economy model to traditional business conferences. Our core offering is a mashup of an artist open studio and a business conference, with a music festival vibe. We identify companies ...
DogBff - mobile marketplaces social media platforms pets

DogBff

Bad entry?

Social commerce for dogs...and their owners.
We're applying our years of social games experience to a create a highly engaging mobile social platform for Dog Owners. The way we see it: we've created passionate users out of virtual worlds and were able to engage and monetize them, why not apply that knowledge ...
MentorCloud - enterprise software social media platforms professional services

MentorCloud

Bad entry?

eHarmony for mentorship inside Enterprises, Accelerators and Alumni Networks.
 MentorCloud helps organizations to connect their employees and entrepreneurs with relevant subject-matter experts and mentors anywhere within the organization or externally on our pre-qualified global network. The platform makes it easy for users to find, connect, ...
GemShare - mobile local social media platforms ios

GemShare

Bad entry?

The Best Local Services - recommended by friends
 GemShare -- the easiest, most trustworthy and convenient way to find the services you need for daily life. No anonymous reviews, just the best recommendations from the people you know and trust. “Finding a place to get a decent burrito is one thing. finding a ...
Imgur - mobile digital media social media platforms advertising platforms

Imgur

Bad entry?

Online community & destination consisting of the internet's most viral image-based content
 Social community platform. Viral content destination. Image hosting & sharing tools.
Mojalink - mobile ventures for good social media platforms professional networking

Mojalink

Bad entry?

We connect business, government and nonprofits around causes. Angel.co for philanthropy.
 Mojalink is a global network of businesses, governments and nonprofits looking to increase their philanthropic impact. Businesses can discover, connect and partner with nonprofits and government working on causes that align with corporate values or strategy. ...
Stringr - digital media social media platforms broadcasting

Stringr

Bad entry?

Crowd Sourced Video Content Platform
 More than one thousand news organizations in the U.S. and 5,000 internationally pay for video and photographs generated by third-party content providers. There is neither an integrated platform nor a marketplace that serves as a clearinghouse for media organizations ...
Wishdates - location based services social media platforms online dating mobile social

Wishdates

Bad entry?

It's your personal dating organizer.
 Wishdates is your personal dating organizer. At WishDates we let users to invite close friends, form a dating group and meet similar group of opposite sex: our algorithms helps select a mutually acceptable popular local venue we pull from geolocation APIs. When ...
GoodAudience - social media advertising social media platforms social media marketing

GoodAudience

Bad entry?

Get your brand, product or service in front of over 400 million active social media users!
 Social engagements that drive business results. Reach over 400 million active social media users. Press: http://www.bloomberg.com/video/goodbye-silicon-valley-hello-london-hYjn8QE2TeW3vOfHUUfZcw.html http://techcrunch.com/2014/06/20/techstars-london-demo-day http://www.huffingtonpost.com/sherman-lee/how-i-got-into-techstars-_b_5666370.html http://techcitynews.com/2014/05/07/why-we-moved-our-startup-from-san-francisco-to-london http://techcitynews.com/2014/06/23/5-startups-to-watch-from-techstars-london-demo-day
Convozine - digital media publishing communities social media platforms

Convozine

Bad entry?

Facebook meets magazines.
 “ZINE” - On Facebook you have a profile, LinkedIn a resume, etc. On Convozine, you have your own magazine (or zine) by signing up. The same simple zine publishing apparatus can be the personal expression of an individual, or the long-tail passion of an unlimited ...
Endorphin - social media platforms social search big data analytics

Endorphin

Bad entry?

Making sense of social data
 Endorphin is a scoring platform that is created to make sense of data from social networks. Leveraging social data and personal digital footprints combined with proprietary scoring formulas based on behavioral and cognitive psychology it evaluates person's influence, ...
Sphere - mobile photography social media platforms travel

Sphere

Bad entry?

360º photography
 Sometimes a moment is irreplaceable. Sometimes a place is inaccessible. Photo and video only capture part of the story, making them poor substitutes for the real thing. We're developing teleportation so that you can be there, anywhere, anytime.
GoPop - digital media social media platforms

GoPop

Bad entry?

Easier than Vine. More engaging than Instagram. The future of visual conversation.
 GoPop has been featured by Apple as a “Best New App,” and showcased in Mashable, The Atlantic and others as an “app not to miss.” GoPop is a fun new way to express yourself. The idea is simple: talk with your friends and the GoPop community by easily combining ...
Louder - advertising mobile advertising ventures for good social media platforms

Louder

Bad entry?

Amplify links beyond your network.
 The Louder platform surfaces important conversations that deserve more attention, and gives users a way to drive those conversations to places they've never been. Every week, the top voted link in each #channel is amplified as a promoted tweet to over 10,000 ...
Ringz.TV - digital media social media internet tv social media platforms

Ringz.TV

Bad entry?

Flipboard for video. With a business model.
 Ringz' ambition is to build the world's coolest free video sharing service on a powerful business model. Our mission is to enable video owners and distributors to monetize "over-the-top" entertainment. Our vision is to organize any content on any device in ...
Capillary Technologies - analytics CRM mobile commerce social media platforms

Capillary Technologies

Bad entry?

Intelligent Customer Engagement
 Capillary is a leading provider of cloud-based software solutions that help businesses to intelligently engage with customers through mobile, social and in-store channels. Capillary powers Customer Engagement, Clienteling, Loyalty and Social CRM solutions for more ...
NovoEd - education social media platforms technical continuing education

NovoEd

Bad entry?

The engaging and effective social learning platform
 We are developing cutting-edge technology to solve hard problems in education. NovoEd is a student-centered online learning environment that places collaboration and teamwork at the center of the learning experience through the use of techniques in human-computer ...
Momentum Design Lab - social media platforms incubators user experience design

Momentum Design Lab

Bad entry?

Betaworks if it also charged for strategy, design and development.
 Momentum Design Lab is a hybrid product incubator and user experience firm based in San Francisco. Founded in 2002, Momentum has worked on over 400 projects around the globe for everyone from start-ups to Fortune 500 companies. Momentum specializes in mobile, ...
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