← Startups in New York City

New York City Developer Tools 46 startups

"Developer Tools" Startups in New York City

Every active New York City startup we index that carries the "Developer Tools" tag.

All startups in New York City → "Developer Tools" startups nationwide →

Last updated

2026-09-02

Hiring right now 9% 4 of 46

Open roles 27

City New York City

Our index currently lists 46 tech startups in New York City tagged "Developer Tools" — a city×tag slice of the live directory, not every "Developer Tools" company nationwide and not every New York City startup regardless of tag. 9% of this slice is hiring right now (4 of 46). Apply links on each profile go to the company's own site; we don't act as a middleman. "Developer Tools" startups in New York City include AssemblyAI, Agentic Labs, Alter, Aptible, and args. Categories represented here: AI / ML, Dev Tools, and Infrastructure. YC batches in this slice: W24, W23, S25, and S23, among others. Widen the view anytime: all New York City startups at /startups/location/new-york-city, or every "Developer Tools" company nationwide at /startups/tag/developer-tools.

The best way to build Voice AI apps

Artificial IntelligenceDeveloper ToolsSpeech Recognition

AI system design tools for dev teams

Artificial IntelligenceDeveloper Tools

Secure access control and authorization platform for agent workflows

AIOpsDeveloper ToolsDevSecOps

The No Infrastructure Platform as a Service

Developer ToolsDevSecOpsDevOps

A better GItHub

Developer ToolsB2B

Authorization Infrastructure securing AI at OpenAI, Zoom, & more

Artificial IntelligenceDeveloper ToolsSecurity

Observability platform for operations teams

Developer ToolsSaaSData Engineering

AI-native clearinghouse for insurance

Artificial IntelligenceDeveloper ToolsFintech

AI-Native Cloud Platform

Artificial IntelligenceDeveloper ToolsOpen Source

Visually design and manage cloud infrastructures.

Developer ToolsDevOpsCloud Computing

Fast, reliable, reproducible AI with GPU live migration

Deep LearningDeveloper ToolsCloud Computing

CodeStream is a Developer Collaboration Platform designed to…

Developer ToolsSaaSCollaboration

Connect your users to their apps

Developer ToolsB2BWorkflow Automation

Dataset Management for AI Trainers

Artificial IntelligenceDeveloper ToolsGenerative AI

Cross-chain routing + trading APIs. One-click transactions with any…

Developer ToolsCrypto / Web3B2B

Custom video detection models in less than 5 minutes

Developer ToolsComputer VisionAI

Insurance Billing APIs for Healthcare Businesses

Developer ToolsHealthcareHealth Insurance

Cloud platform for coding agents

Artificial IntelligenceDeveloper ToolsMachine Learning

Production-ready document processing

DocumentsDeveloper ToolsB2B

Webflow for the Backend

Developer ToolsB2BAPI

Instantly offer SDKs and API Docs

Developer ToolsSaaSB2B

A better GItHub

Developer ToolsB2B

Crypto Deposits, Wallet Funding, and Pay-with-crypto Infra

Developer ToolsCrypto / Web3B2B

The orchestration platform for teams who ship.

Developer ToolsOpen SourceInfrastructure

The agent-native control layer for code changes

Developer ToolsB2BProductivity

Agents that handle security work

Developer ToolsB2BInfrastructure

Safer, faster dependency upgrades

Developer ToolsDevSecOps

Give engineering, product, and design teams insight into unseen issues

Developer ToolsDesignAI

Custom software for non-technical teams.

Developer ToolsProductivityData Engineering

Data observability for modern data teams

Developer ToolsSaaSData Engineering

Cursor for data analysis

Developer ToolsAnalyticsOpen Source

Mobot is a QA-as-a-service platform using actual mechanical robots

Developer ToolsHardwareB2B

nCompass Technologies

Optimize performance on GPUs - 10x faster

Artificial IntelligenceDeveloper ToolsHardware

Open-source, self-hosted, session replay tool for developers.

Developer ToolsSaaSOpen Source

Making APIs Developer-friendly

Developer ToolsOpen Source

Managed GPU-accelerated Spark + SQL at 2x speed and half the cost

Developer ToolsAnalyticsBig Data

Test, evaluate & observe your LLM applications

Developer ToolsGenerative AISaaS

Easiest way to deploy on AWS/GCP/Azure

Developer ToolsSaaSB2B

Beautiful, personalized, interactive developer hubs

Developer ToolsDesign Tools

Build interactive applications that run anywhere

Developer ToolsDesign ToolsData Visualization

The Unified API for Business Financial Data

Developer ToolsFintechB2B

Easy and secure customer cloud deployments

Developer ToolsSaaSDevOps

An AI-powered test and debug platform for chip developers

Artificial IntelligenceDeveloper ToolsSemiconductors

Spur is your AI QA Engineer. Test your websites with natural language.

Developer ToolsB2BAI

Subscription infrastructure & paywall experimentation for mobile apps

Developer ToolsPaymentsAI

Automating root cause analysis with generative AI

Developer ToolsGenerative AISaaS

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Speed up non-coding tasks for engineering teams

Developer ToolsProductivity

Build internal tools fast.

Developer Tools

AI Insurance is the platform that runs insurance companies

Artificial IntelligenceInsurance

AI Native Commercial Insurance Broker

Artificial IntelligenceInsuranceOperations

All startups in New York CityEvery tag "Developer Tools" startups nationwideEvery city "Developer Tools" startups in San Francisco307 startups "B2B" startups in New York City144 startups "AI" startups in New York City132 startups "Artificial Intelligence" startups in New York City126 startups "SaaS" startups in New York City125 startups "Fintech" startups in New York City99 startups "Healthcare" startups in New York City42 startups "Consumer" startups in New York City36 startups

Frequently asked questions

How many "Developer Tools" startups are in New York City?

Our index currently tracks 46 active tech startups in New York City tagged "Developer Tools". Counts move as scrapers discover new companies and flag shutdowns inactive.

Which "Developer Tools" startups are based in New York City?

Companies on this page include AssemblyAI, Agentic Labs, and Alter, plus 43 more below. Each profile links to the company's site and any open roles we scrape.

How is this different from the New York City startups page or the "Developer Tools" tag page?

/startups/location/new-york-city lists every indexed startup in New York City across tags. /startups/tag/developer-tools lists every "Developer Tools" startup nationwide. This page is the intersection — only companies that resolve to both New York City and "Developer Tools".

Are these New York City "Developer Tools" startups hiring?

4 of the 46 companies on this page currently have open roles in our jobs index.

How often is this list updated?

Automated scrapers refresh on the same daily cadence as the rest of the directory. The last index update was 2026-09-02.