Y Combinator Summer 2021 (S21) Companies

FloatPays is a financial services provider offering credit and payments solutions, regulated in South Africa as a financial intermediary and payments provider.

5 investors

Flow Club is a virtual coworking platform that facilitates focused productivity through live, structured sessions using body doubling and the Pomodoro Technique. It serves individual professionals, students, and remote workers seeking to improve focus and overcome procrastination.

1 investor

Flowbo is a financing platform designed for content creators across platforms like YouTube and TikTok, offering capital through a revenue-share model rather than traditional lending. The company serves creators seeking funding for equipment, projects, and business growth without restrictive loan terms.

1 investor

Flowly provides a virtual clinic platform using VR and guided sessions to help employees manage nonstructural pain and related conditions including anxiety, depression, and sleep disorders. The offering combines immersive relaxation training, breathwork, support groups, and educational workshops for workplace wellness.

3 investors

Fluke is a Brazilian mobile carrier that leases network infrastructure from incumbents and offers customers flexible, customized plan options instead of fixed data packages. The company targets dissatisfied users of traditional carriers.

1 investor

Forage builds payment infrastructure that connects merchants, shoppers, and the U.S. government to enable acceptance of SNAP EBT and EBT Cash payments. The platform serves retailers of all sizes seeking to accept government assistance benefits and serve low-income customers.

9 investors

Forage Mail provides automated email filtering for Gmail accounts that separates low-priority messages and delivers a daily digest summary with condensed versions of newsletters, while allowing users to customize filtering rules across any email client.

2 investors

Formance provides a platform for developers to build and integrate complex financial applications using composable, open-source primitives that can connect to any financial partner. The platform serves enterprise companies globally seeking vendor-agnostic infrastructure for financial workflows.

3 investors

Freterium builds an operating system that consolidates planning, execution, and visibility for supply chain and logistics operations into a single platform.

1 investor

FrontPage is a media product built by Frontdotpage Pvt Ltd, a company founded by former technology and product professionals from major Indian internet companies. The page provides limited information about the company's specific services or business model.

5 investors

GamerPay operates a marketplace where gamers can buy and sell in-game skins and digital assets with built-in fraud prevention through game integrations. The platform includes parental consent features to allow underage users to trade legally, addressing a gap in the market where minors previously relied on unregulated social media transactions.

2 investors

Genomelink develops a platform that provides individuals with access to and management of their genomic data, leveraging advances in DNA sequencing technology. The company serves consumers seeking personal genetic information and operates in the genomics and digital health sector.

7 investors

Genuity is a cloud platform that provides data management and security solutions for customers to safely store and manage their information. The platform emphasizes privacy protection, data encryption, and industry-standard security practices.

3 investors

Geostar helps ecommerce brands optimize their product visibility in AI search engines and assistant tools like ChatGPT, Gemini, and Perplexe. The company provides product data optimization, structured markup improvements, and AI search performance measurement to help retailers capture sales through AI-driven shopping decisions.

1 investor

Dot provides an AI-powered data analysis system that enables faster fact-based decision-making by automating data analysis tasks. The platform serves professionals and organizations seeking to accelerate insights generation with governance-focused AI.

1 investor

Glitzi is a service marketplace platform in Mexico that connects users with beauty and wellness professionals for on-demand services including hairstyling, massage, and facials.

1 investor

Goodkind provides a communications platform that enables higher education institutions to send messages to students across multiple channels including SMS, video, chat, and mail.

2 investors

Govly is a platform that helps companies discover, track, and manage government contracting opportunities across federal, state, and local agencies. It provides tools for opportunity sourcing, compliance management, and vendor collaboration to streamline the public sector sales process.

2 investors

Harmonic Discovery applies medicinal chemistry, cheminformatics, data science and machine learning expertise to advance drug discovery. The company is supported by investors at the intersection of technology, biology and medicine.

3 investors

Hedgehog provides automated portfolio management for cryptocurrency, allowing users to hold diversified baskets of digital assets spanning the majority of the crypto market.

1 investor

Heimdal manufactures direct air capture equipment that removes CO2 from the atmosphere and stores it permanently, operating facilities in the United States including the nation's largest low-cost capture plant.

6 investors

A company that repurposes Earth observation satellites using software to capture images of other orbiting satellites for government and defense customers.

4 investors

Hera is a calendar application that handles the full lifecycle of virtual meetings—scheduling, preparation with attendee context, one-click joining, and follow-up reminders—designed for users to manage meetings without leaving their keyboard.

2 investors

HeyCharge provides hardware and software for companies to manage employee charging of company vehicles at home, with tax-compliant tracking and reimbursement capabilities across any OCPP-compatible wallbox.

4 investors