Social Startups

Index built a tool that combines public data on people with private relationship data to map professional connections and surface warm introductions through a user's colleagues.

3 investors

Jest is a messaging app that can be used in a web browser and lets users sign up with a text message. The platform also promotes casual mobile games such as trivia battles and match-3 puzzles.

3 investors

Kakao Corp. operates a suite of consumer internet services centered on the KakaoTalk messenger, along with KakaoMap, mobile gifting and shopping (Kakao Talk Gift, Talk Deal), Kakao Makers, Kakao Friends characters, and emoticons. The South Korean company also develops AI technology across its services.

3 investors

Kyndoo operates a US-based platform built for social media influencers who want to run their content work as a business. It combines audience and performance data, profile-building tools, payment protection and business consulting, and gives brands data they can use to verify that an influencer's following is genuine.

3 investors

Legend is a social trading platform where users copy trades from other traders, follow live alerts, and trade with up to 50x leverage. It offers access to 500+ markets including crypto, stocks, and commodities via mobile and web, with funding through Apple Pay, card, or crypto.

3 investors

Levellr is a Discord community intelligence platform that turns unstructured Discord conversations into structured, cited insights through a preprocessing pipeline and AI analysis, covering sentiment analysis, member segmentation, engagement reporting, keyword tracking, and content scheduling. It serves game studios, music labels, marketing teams, community managers, AI/SaaS companies, and consumer brands.

3 investors

LINE is a messaging and voice communication platform that offers free calls and messages to users worldwide. The service functions as communication infrastructure serving consumers globally.

3 investors

Loop Plus provides person-centered disability support services in Australia, offering assistance with daily living, mental health, skill development, and community inclusion to help individuals with disabilities achieve independence and participate actively in society.

3 investors

Loopt operates a social-mapping mobile service that uses a person's location to help them discover nearby people, places, and events. It targets consumer smartphone users.

3 investors

Lovewick is a free mobile app for couples that offers intimacy-building question cards, date ideas, and research-based relationship advice to help partners strengthen their connection. Positioned between dating apps and couples therapy, it personalizes content via a relationship quiz and adds features like anniversary countdowns and memory scrapbooking.

3 investors

Mammoth/TokenBot operates a social trading engine that lets traders connect exchange API keys to broadcast real-time algorithmic and technical trade orders to their Telegram and Discord communities, keeping members in sync. It also runs a token-gated VIP community (TKB) with staking, XP rewards, and an ERC-20 membership utility token.

3 investors

Manifold is a social prediction market platform where users trade play-money shares on the likelihood of future events across politics, technology, sports, and other domains. The platform uses real-time market dynamics to generate accurate probability forecasts on any question.

3 investors

Mindbase operates a platform that creates and manages AI-powered influencer accounts on social media platforms, generating engagement and content on behalf of brands. The company charges brands recurring fees for each AI influencer account operated on their behalf.

3 investors

Mustard connects local businesses with a network of micro-influencers for social media promotions, using AI to automate creator scheduling, content tracking, fraud prevention, and payments. The platform helps businesses convert creator-driven campaigns into measurable customer actions through integrated booking and delivery systems.

3 investors

Muzz operates a mobile dating and marriage app aimed at single Muslims worldwide, with a stated focus on marriage rather than casual dating. The company reports over 10 million members and more than 500,000 weddings facilitated through the app.

3 investors

MyPrize is a social casino platform offering free-to-play games such as social slots, table games, fish games, and scratchcards, along with interactive "rooms" where users play alongside creators and others. Players earn free coins and XP-based bonuses without purchase.

3 investors

NationBuilder provides software infrastructure that enables individuals and organizations to mobilize and lead their communities toward action. The platform serves a diverse base of customers ranging from first-time community leaders to political parties, major charities, and Fortune 500 companies across 110+ countries.

3 investors

Netspeak Games is a remote-first games studio that develops social games. It focuses on building casual, social gaming titles.

3 investors

NRISE operates consumer mobile services including Wippy, a social dating/matching app connecting men and women in their 20s-30s in Korea and Japan, and Quat, a home-training fitness subscription app. The South Korean company focuses on social connection and healthy-habit products.

3 investors

Opponent Systems is building SAGA, a family-focused assistant that keeps relatives connected and shares information across generations without relying on group chats, photo dumps, or separate apps. The product is being demoed via FaceTime.

3 investors

PAPAYA operates a technology platform that converts popular single-player casual games, such as solitaire, into multiplayer, skill-based competitions with matchmaking and large-scale tournaments. It serves mobile gamers in the competitive gaming market.

3 investors

Periscope was a live video streaming service that let users broadcast and watch live video, connected to Twitter. The service has been discontinued, with past public broadcasts remaining available on the web.

3 investors

Photobucket, now operating as Groupsy by Photobucket, is a photo and video sharing platform that lets users store media in a personal library and share it within private, invite-only groups for friends and family. It offers compression-free storage, cross-device syncing, WhatsApp and Meta integrations, and on-device face matching, available on iOS, Android, and desktop via free and paid subscription plans.

3 investors

Piñata Farms operates a user-generated content platform where people create and share videos and other creative content, governed by community guidelines around safety and acceptable use.

3 investors