Software Development startups in New York

Reflection

New York

Building superintelligent coding agents.

Polymarket

New York

Polymarket operates a blockchain-based marketplace where users trade on the outcomes of real-world events through prediction markets.

OpenRouter

New York

LLM router and marketplace

InstaLILY AI

New York

InstaLILY AI, based in New York City, provides InstaWorkers, AI teammates that make work faster, smarter, and more human, deployed at demanding companies across distribution including physical goods, insurance, and industrial parts.

Aaru

New York

Aaru, a New York-based technology company, uses frontier language models and ML to predict the future, building simulation engines that model decisions and behaviors of individuals, groups, and populations, generating thousands of simulated

Whop

Brooklyn

Whop provides platform to decide what to sell, build products, and attract customers across sports, health, wellness, and finance, positioning itself as the farmers market for the internet and enabling over 27,000 users to earn over $115 mi

Stuut

New York

Stuut provides an AI platform that automates accounts receivable work for companies.

Avoca

New York

Avoca, a YC-backed startup, modernizes customer engagement for home service providers. Founded by MIT CS graduates Apurva Shrivastava and Tyson Chen, it leverages their AI and product experiences to improve communications for family-run ser

Viam

New York

Unlock data & AI for the physical world

Finch

New York

Finch provides a modern pre-litigation playbook for personal injury firms, pairing elite paralegals with AI tools to speed intake-to-demand. Founded by Morgan & Morgan operators and Brandon J. Broderick, with Google, DoorDash, and Stanford

Marble Technology

New York

Marble is building AI agents to transform the tax industry.

Ando

New York

The company is building a work messaging platform that treats AI agents as actual teammates, collaborating in everyday conversations rather than acting as mere tools, highlighting AI as collaborators within workplace communication.

Yarn

New York

The company provides AI-driven video creation tools for storytellers at software companies, aiming to increase video output by 1000X while delivering compelling, authentic, entertaining, and beautiful content. It believes AI will transform

GreenLite

New York

GreenLite speeds construction permitting by streamlining collaboration among developers, builders, and local authorities, delivering fast, predictable, and transparent processes. It serves many of the nation’s largest public retailers, deve

Applied Labs

New York

Applied Labs builds frontier AI agents and applications, delivering support via AI agents and humans. With offices in New York and San Francisco, it is backed by tier-1 VCs; co-founders Woo and Waychal bring Scale AI and Canal leadership.

Warp

New York

Warp is an automated back-office platform for startups and the Agentic Development Environment for coding with multiple agents, enabling startup operations and agent-based development workflows.

Array

New York

Array delivers embeddable, custom-branded credit and identity tools, personalized offers, and more.

Axion

New York

Axion is an AI-powered customer quality intelligence platform that identifies and resolves product quality issues.

Softlight

New York

Softlight develops product and design agents that learn a business, surface product ideas, and design them in novel ways, helping product managers, engineers, and designers discover what to build for a range of clients from startups to Fort

Utila

New York City

Enabling organizations to securely manage & build on digital assets.

NimbleWay

New York

A browser platform for Enterprise AI

Dispatch

New York City

Financial advisors use Dispatch to sync client data across the tech stack.

PactFi

New York

End to end deal infrastructure for private market assets

Treeswift

New York

Treeswift delivers decision-support technology for critical energy infrastructure, starting with vegetation risk to power lines, aiming to scale to asset management and disaster recovery; within 18 months of its first pilot, it serves three

Ascertain

New York

Ascertain an agentic AI platform that delivers end-to-end automation across care management and revenue cycle workflows.

Briya

New York

A decentralized data retrieval platform that enables retrieval of high quality harmonized longitudinal data in the most secure way.

Fern

New York

Fern helps software companies build an API experience; founded in 2022 and headquartered in Williamsburg, Brooklyn, it develops open-source software with a small team, backed by Bessemer Venture Partners and Y Combinator, and was acquired b

Credal.ai (YC W23)

New York

Credal is a New York City–based company providing AI governance and secure AI workflow orchestration to harness frontier AI for builders. Backed by over $10 million, it serves government and industry clients with a secure AI platform.

Guac AI

New York

The company provides grocery retailers with demand forecasting and inventory replenishment, using an industry-leading algorithm to minimize stockouts, overstocks, and waste. Backed by Y Combinator and notable investors, including angels fro

Clad (YC W23)

New York

Clad is the operating system for infrastructure construction, enabling collaboration between infrastructure contractors and operators.

Unqork

New York

Unqork is a no-code enterprise application platform that helps companies build, deploy, and manage complex applications.

Wrapbook

New York

Wrapbook is a digital production payroll and cost-tracking platform that provides tools for automated timecards and compliance tracking.

Pinecone

New York

Pinecone develops a vector database that makes it easy to connect company data with generative AI models.

Check Technologies

New York

Check is a leading payroll infrastructure provider that allows platforms to build successful payroll businesses.

Coursedog

New York

Coursedog streamlines academic scheduling and curriculum management for universities and colleges.

Materialize

New York

Materialize is a real-time data integration platform that lets teams build up-to-date, trustworthy data views in SQL, enabling live, composable data products in minutes with the existing team; trusted by General Mills, Ryder, and Fubo.tv fo

Thoropass

New York

Thoropass offers services for a variety of frameworks, including SOC 2, PCI, ISO, HITRUST, and HIPAA.

Hyro

New York

Hyro is a plug-and-play conversational AI platform that enables enterprises to add voice and text capabilities to their digital channels.

intenseye

New York

Real-Time Safety Management & SIF Prevention, Powered by AI

Transfr

New York

Transfr founded on the belief that learning is about enhancing the human experience.