Whitenoise
What they do:
Whitenoise is like a social network for the music industry. It comes with specially made tools for bands, agents, publicists, and venues to manage each part…
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HQ: San Francisco, CA, United States
This list has 302 startups and was last updated on Oct 15, 2026. 36 of them are hiring right now. Biggest hubs: San Francisco (151), New York (38), and Los Angeles (14). Largest teams: Reddit, Twitch, and Bird. Latest round: Affinity Labs raised $2M (Oct 14, 2026).
Survival statistics →44 open roles →
What they do:
Whitenoise is like a social network for the music industry. It comes with specially made tools for bands, agents, publicists, and venues to manage each part…
Quick facts:
HQ: San Francisco, CA, United States

What they do:
Socialmoth is a community to post your thoughts anonymously. You can view postings (mostly gossip and secrets) from the whole community as well as get updates…
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HQ: San Francisco, CA, United States

What they do:
Jamglue is an online community allowing users to listen or mix music from a library of user-contributed music.
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HQ: Seattle, WA, United States
What they do:
A platform bridging mobile text messages, email, and IM communication without needing to download anything. Users can send mass messages on any of the…
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HQ: San Francisco, CA, United States
What they do:
Flagr enables users to share places, adding photos, video and descriptions from their mobile phone. They can then create maps and embed them on any website.
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HQ: NY, United States

What they do:
A fun image sharing community.
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HQ: San Francisco, CA, United States

What they do:
Kippt is a social bookmarking service
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HQ: San Francisco, CA, United States
What they do:
Clip and share any video from any website.
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HQ: San Francisco, CA, United States

What they do:
Scoutzie is a curated community for the best mobile designers. If…
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HQ: San Francisco, CA, United States

What they do:
Music, Metrics... Meritocracy. (Upload Music, Connect your Social…
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HQ: Atlanta, GA, United States
What they do:
Free video calling without the hassle.
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HQ: San Francisco, CA, United States
What they do:
Mailing lists 2.0. Threadable makes group email less noisy and more…
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HQ: San Francisco, CA, United States

What they do:
In person matchmaking meets group dating. We do the work. You go on…
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HQ: New York, NY, United States
What they do:
3dot is a think-tank company based in Ljubljana, Slovenia. Our core business is developing ideas, products and services based on newest technologies for our…
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What they do:
Improve communications with your group's own mobile app.
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HQ: San Francisco, CA, United States

What they do:
Spoil is gifting for the Snapchat generation.
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HQ: San Francisco, CA, United States

What they do:
Streamup is a live streaming community for music. We make it fun and…
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HQ: Los Angeles, CA, United States

What they do:
MailChimp for SMS
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HQ: New York, NY, United States

What they do:
Tress is a social community for black women's hairstyles. We are…
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HQ: Accra, Ghana

What they do:
Play fantasy sports with friends on Facebook Messenger
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HQ: San Francisco, CA, United States
What they do:
Greo is a mobile video app for conversations about current events.
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HQ: San Francisco, CA, United States

What they do:
Social media management tool for Instagram and Snapchat
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HQ: San Francisco, CA, United States

What they do:
Find the best electronic music events in a single message.
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What they do:
Guggy is building the messaging app of the future with real time,…
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What they do:
Read interesting conversations
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HQ: San Francisco, CA, United States

What they do:
Live and interactive TV shows for mobile - starting with American…
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What they do:
Allo is an app that helps neighboring families meet and help each…
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HQ: San Francisco, CA, United States

What they do:
The social network for your close friends.
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HQ: New York, NY, United States

What they do:
Building worlds at technological inflection points
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HQ: Los Angeles, CA, United States

What they do:
A competitive community of the brightest students in the world
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HQ: San Francisco, CA, United States

What they do:
Marketplace enabling social commerce for brands and content creators.
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HQ: San Francisco, CA, United States

What they do:
Virtual events for remote teams
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HQ: New York, NY, United States

What they do:
Pipe for online businesses
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HQ: Los Angeles, CA, United States

What they do:
A video subscription platform serving black viewers and creators.
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HQ: New York, NY, United States

What they do:
Open-source customer engagement & messaging automation
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HQ: Los Angeles, CA, United States

What they do:
Local chat.
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HQ: New York, NY, United States