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

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.

Solidus Labs

New York

Full-Spectrum Trade Surveillance for Securities, Crypto, and Beyond.

Fundraise Up

Brooklyn

Fundraise Up is a technology company unlocking the world’s generosity potential by optimizing the way people give.

Akeyless

New York

Unified platform to protect credentials, certificates, keys and manage the entire machine identity lifecycle.

Litify

New York

The platform powering legal’s top performers.

Sharebite

New York

Sharebite is the leading meal benefits platform built exclusively for companies to feed employees.

GlossGenius

New York

GlossGenius is a vertical SaaS platform for small business owners across the salon and studio space.

Tinybird

New York

Tinybird is a managed ClickHouse® service for AI-native software teams.

BRYTER

New York

BRYTER is a legal-tech provider of enterprise-grade software for legal professionals, serving in-house teams at Rakuten and McDonald’s, and major law firms and professional services firms globally, with offices in London, New York and Frank

EvolutionIQ

New York

EvolutionIQ is an AI company that offers claims guidance solutions for insurance companies.

Air

New York

Air is the platform where creative teams organize their work, and marketing teams find it, adapt it, and scale it across every channel.

Chili Piper

New York

Chili Piper is a meeting lifecycle automation platform that helps revenue teams to increase their conversion rates.

Clad (YC W23)

New York

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

Order.co

New York

Order is a guided B2B marketplace that helps businesses place orders, control spend, and submit payment across their vendors.

Reachdesk

New York

Enabling B2B companies to deliver the moments that matter at scale through data-driven direct mail and gifting.

Gauntlet

New York

Gauntlet is a fintech company that develops solutions for risk management and simplifies tasks in cryptocurrency businesses.

Vitally

Brooklyn

Vitally is a customer success platform (CSP) designed for maximizing productivity, visibility and collaboration, plus eliminate churn.

Rinsed

New York

The Car Wash CRM provides a CRM platform for car wash businesses. Its mission is to grow and retain car wash membership revenue under the Rinsed brand.

Flip

New York

Flip is a Voice AI vendor that automates millions of phone calls weekly for hundreds of brands across eCommerce, retail, healthcare, and transportation, with deployment in minutes, a community-powered Flip Side platform, and a growing team.

BiltOn

Brooklyn

Construction Operations & Risk Management Software

PERSUIT

New York

Persuit is an enterprise platform for engaging outside counsel.

Mobot

New York

Mobot is a QA-as-a-service platform that uses human-supervised robots to automate mobile app testing, maintaining a robot fleet that tests on 300+ iOS and Android devices. The company is actively growing its team.

Extend

New York

NYC-based provider of a complete document processing toolkit for accurate parsing, extraction, and splitting in shipping use cases; a six-person, in-person team in New York City backed by Homebrew, Innovation Endeavors, Character, and angel

Upflow

New York

Upflow provides a Financial Relationship Management platform that shifts invoice chasing to proactive engagement, helping customers get paid faster and grow. It serves users including Front, Lattice, and Productboard, and is backed by Y Com

Constrafor

New York

Constrafor is a SaaS and fintech innovator for construction, delivering back-office and financial transactions solutions to general contractors and subcontractors, aiming to set new standards in construction productivity and cost-efficiency

Orbital

New York

Complete real estate due diligence in a fraction of the time.

Fever

New York

Fever is a live-entertainment discovery tech platform that enables users to discover and book various events, experiences, and attractions.

Radformation

New York

Intelligent Automation in Cancer Care

Offchain

New York

We're contributing to Arbitrum and Prysm to scale Ethereum.

Insense

New York

Creator marketplace helps eCom brands & agencies build and scale their UGC ad creatives library and influencer campaigns

Lineslip Solutions

New York

Converting insurance data into insurance intelligence.

LIFESIGHT

New York City

Unified Marketing Measurement platform to help marketers make better decisions

Rokt

New York

Rokt is an ecommerce technology company that uses AI and machine learning to personalize offers for shoppers in the transaction moment.

Updater

New York

Updater is a tool designed to simplify the moving experience.

RapidRatings

New York

The standard for financial health transparency between business partners.

Octane

New York

Octane is a fintech firm offering financing solutions for powersports, outdoor equipment, and recreational purchases.

Vidmob

New York

VidMob is a video content creation network and platform where brands can create digital video ads with expert teams.

Unite Us

New York

Unite Us provides a collaboration and coordination software, streamlining the delivery of health and social services.

Bizzabo

New York

Bizzabo powers in-person, virtual, and hybrid experiences with the event experience OS.

Snappy

New York

We combine fun, thoughtful experiences with advanced technology to take the guesswork out of gifting.

Greenly

New York

Greenly develops a carbon accounting platform to track, assess, manage, and reduce CO2 emissions.

Osmo

New York

Osmo develops scent-enabled computing to give computers a sense of smell, aiming to improve health and wellbeing and enhance health outcomes. It positions itself as a forward-looking technology player in wellbeing-focused innovation.

accessiBe

New York

accessiBe is the market leader in web accessibility solutions and technologies.

Traversal

New York

Our AI SRE agent is on call, so you don’t have to be.

Propel

Brooklyn

Propel is a consumer technology company that offers a mobile app to improve financial health for low-income Americans

Microblink

New York City

Microblink is the Identity Intelligence OS that establishes Know Your Actor: continuous control over people and agents.

Cutover

New York

The Collaborative Automation platform

SQream

New York

SQream leverages NVIDIA GPU technology to deliver GPU-accelerated data processing and analytics in cloud and on-premises environments, establishing itself as a leader and driving the CPU-to-GPU transition across industries such as manufactu

EnergyHub

Brooklyn

EnergyHub is a producer of energy management tools that improve the relationship between consumers and utilities.

Gan Integrity

New York

GAN Integrity is how compliance teams at even the most complex organizations get the tools and expertise to stay ahead of risk.

Enertiv

New York

Enertiv transforms building data into asset value for commercial real estate portfolios.

RethinkFirst

New York

RethinkFirst is a provider of Analysis-based treatment tools for the growing population affected by autism spectrum disorders.

GameChanger

New York

GameChanger is a mobile app and website providing scorekeeping, stats, live gamestream plays, and recap stories for amateur sports teams.

Visit.org

New York

Delivering purpose for a more engaged workforce.

Placements.io

New York

Changing the way digital media companies manage their advertising businesses.

Opto Investments

New York

Opto Investments is a fiduciary-driven technology firm partnering with advisors to deliver customized private markets solutions at scale, with client-aligned fees and no compensation from fund managers, frequently investing its own capital

Hebbia

New York

Hebbia is an AI platform for knowledge work used by leading finance, law, and Fortune 500 companies. It has raised $160 million from investors including a16z, Peter Thiel, Index Ventures, and Google Ventures.

Walnut

New York

Walnut offers an interactive demo platform for SaaS sales, delivering personalized, consistent, data‑driven product demos to buyers. With marquee customers like Adobe, Dell, and NetApp, it integrates with Salesforce, HubSpot, and other CRMs

Copilot

New York

Copilot is a technology platform founded in 2020 that helps service businesses run and grow. Based in New York City, it serves hundreds of tech-enabled service firms across industries and raised a $10M Series A in 2022.

Creatopy

New York

Creatopy offers an AI-powered platform to create and publish ad campaigns for brands and agencies. It eliminates friction in the campaign process and helps marketers stay ahead of trends and engage audiences, trusted by AstraZeneca, LG, and

FlowX.AI

New York

FlowX.AI is the first multi-agent modernization platform designed for banking and financial services, aiming to boost efficiency, cut costs, and keep complex systems 100% compliant. It integrates with existing systems to accelerate moderniz

Datavations

New York

Datavations provides market intelligence and analytics for home improvement and building materials sector, enabling manufacturers to act quickly on retail shifts, discover growth opportunities, and make data-driven decisions at scale, with

DEUNA

New York

DEUNA is a payment infrastructure partner for large, global enterprises, connecting businesses to over 350 certified payment-provider integrations and powering nearly 30% of e-commerce volume across key regions, trusted by leading global br

Trullion

New York

Trullion aims to revolutionize the accounting world with a bold, future-oriented approach to transforming the industry and changing how accounting is done.

Sonrai Security

New York

Sonrai Security is a leading provider of public cloud identity and access management solutions for AWS, Azure, and Google Cloud, helping enterprises securely innovate.

Comet

New York

Comet is an AI model evaluation platform backed by thousands of users and Fortune 100 companies, delivering insights and data to help build more accurate AI models while boosting productivity, collaboration, and visibility across teams.

Oso

New York

Oso provides authorization as a service, offering abstractions to build and iterate on authorization in applications.

Influ2

New York

This is a new kind of advertising that allows B2B businesses to: - Show ads to specific contacts across multiple ad networks - Generate contact-level intent to help salespeople understand whom to call and what to say - Tailor ads for each

Stensul

New York

Stensul provides a campaign creation platform that streamlines collaboration among marketers, serving major customers such as BlackRock, Cisco, Demandbase, Equifax, Thomson Reuters, and Yahoo.

dYdX

New York

dYdX operates an open trading platform for advanced crypto financial products powered by the Ethereum blockchain. It positions itself as the most powerful open platform for such products, enabling trading in an open, Ethereum-based environm

Leapsome

New York

Leapsome is an AI-powered people platform for HR excellence and high-performing teams, serving over 1,600 companies. Founded in 2016 by Kajetan Armansperg and Jenny Podewils, it provides intelligent insights and AI tools to develop, engage,

Alloy Automation

New York

Alloy Automation is a SaaS integration development platform used by clients such as Amazon, Gorgias, and Postscript. Founded in 2019, it has raised $27 million from investors including a16z, Bain Capital Ventures, and Y Combinator.

Zowie

New York

Zowie helps companies deliver smarter, more dynamic support experiences that foster customer loyalty and success. It can operate as a standalone customer service system or enhance existing tools with automation technology.

Vic.ai

New York

Vic.ai uses autonomous AI to automate accounts payable and invoice processing, boosting productivity and ROI. It has processed 500M+ invoices for 10,000+ customers, delivering ~$188M in cost savings, ~6M hours saved, and up to 99% accuracy.

Regard

New York

Regard is a healthcare technology company focused on closing the Clinical Insights Gap to bring world-class healthcare to everyone, using technology to improve delivery of high-quality care and expand access for all.

Copilot Money

New York

The company aims to improve everyday money management and financial outcomes under the mission “Let's do money better,” focusing on making money matters easier and more effective.

Merkle Science

New York

Merkle Science is a predictive cryptocurrency risk and intelligence platform helping crypto firms, financial institutions, and government entities detect, investigate, and prevent illicit crypto activity using a proprietary Behavioral Rule

Grata

New York

Grata, now part of Datasite, is an AI-native market intelligence platform for M&A, described as the leading solution with 99% accuracy and best-in-class coverage of company, transaction, and financial data, helping M&A professionals researc

Fluidstack

New York

FluidStack is a leading AI cloud platform that builds and operates GPU supercomputers for AI labs, governments, and enterprises, serving customers such as Mistral, Poolside, Black Forest Labs, and Meta.

Findigs

New York

Findigs is a rental screening and decisioning platform that acts as an all-in-one rental ecosystem to build trust between property managers and residents, delivering a fast, fair rental experience for managers and renters across the United

Conduktor

New York

Conduktor is a data hub for operational data and AI execution that unifies, optimizes, and accelerates enterprise data use, turning fragmented siloes into a governed real-time data flow that AI and downstream systems can act on, trusted by

Arbol

New York

Arbol is a climate risk coverage platform and FinTech providing full-service solutions to analyze and mitigate climate exposure. Its ecosystem combines climate data infrastructure, scalable product development, and blockchain-powered effici

Aquant

New York

Aquant is an AI platform built for service professionals working with complex equipment, applying artificial intelligence to their work and offering a specialized solution for the challenges of complex equipment service.

Co–Star

New York

Co–Star is a hyper-personalized social astrology experience powered by AI that merges NASA data with human astrologers, redefining astrology for the 21st century and building new practices for reflection and collectivity.