Companies

798 companies match. Sources: YC directory, Techstars portfolio, a16z speedrun.

CompanyClusterNicheBatchAI
GodHands

The company knowledge base that updates itself

Developer toolsAI-powered engineering knowledge baseYC F26AI-native
Simulithic

Simulate how any product change will perform before shipping.

Developer toolsAI-powered product simulation and testingYC F26AI-native
Agent FM

One group chat to hear and steer your coding agents.

Developer toolsAI agent orchestration for developersYC S26AI-native
Graphify Labs

On-device knowledge graph engine for enterprises

Developer toolscode verification and knowledge graphsYC S26
Hoplite

Effortlessly deploy cloud software factories.

Developer toolsAI-powered cloud deployment automationYC S26AI-native
HyperProbe

Your coding agent writes code. Now let it fix prod too.

Developer toolsAI-assisted production debuggingYC S26
Jcode

20x more coding agents, 20x more productivity

Developer toolsAI coding agents for parallelized developmentYC S26AI-native
Mentlio

Engineering Intelligence and Token Optimization for the AI-Coding Era

Developer toolsAI spend optimization for engineering teamsYC S26AI-native
Prized

Lovable for internal tools

Developer toolsInternal tools platform for non-engineersYC S26AI-native
Vendo

Let your users build their own features on top of your product

Developer toolsno-code customization layer for SaaSYC S26
Evermuse

Evermuse helps Product teams ship 12X faster with code-ready, well-researched feature specs shaped by all customer signals.

Developer toolsAI-powered feature specification for product teams500G Eurasia 10AI-native
Alchemize

Code Review Platform that Simplifies PRs to Ship Faster

Developer toolsAI-powered code review automationYC X26AI-native
Deep Interactions

Collaborative AI app builder for teams

Developer toolsAI app builder for teamsYC X26AI-native
Memoir

Marketing campaigns from everything your team ships

Developer toolsAI-powered marketing automation for product teamsYC X26AI-native
Saffron

Helping your company find 10x engineers.

Developer toolsAI-assisted engineering evaluationYC X26
Scope

We help software companies get discovered and used by AI agents

Developer toolsAI agent discoverability and optimizationYC X26AI-native
smol machines

Ship software faster with portable, self contained virtual machines.

Developer toolsportable VM containerization for developersYC X26
Stage

Code review platform for humans and agents

Developer toolsAI-aware code review platformYC X26AI-native
Superlog

Make software self-healing

Developer toolsAI-native observability and auto-remediationYC X26AI-native
Superset

Building self-improving software

Developer toolsIDE for AI coding agentsYC X26AI-native
Zavu

Zavu gives developers one API with smart routing to power every customer message across channels.

Developer toolsomnichannel messaging API routing500G Lucha - NONE
/dev/fast

/dev/fast is the AI-native code forge

Developer toolsAI-native code generation and reviewYC W26AI-native
21st

UI building blocks for the agentic internet

Developer toolsReact components for AI agentsYC W26
Aurorin CAD

Claude code for Mechanical Engineers

Developer toolsAI-native CAD for mechanical engineersYC W26AI-native
Canary

The first AI QA engineer that understands your code

Developer toolsAI-powered QA and testing automationYC W26AI-native
CodeWisp

Anyone can create real games with AI

Developer toolsAI game development platformYC W26AI-native
Martini

AI Video Production for Professionals

Developer toolsAI video editing and productionYC W26AI-native
OpenSpec

Plan mode for complex features

Developer toolsspec-driven planning for AI coding agentsYC W26
shortkit

Media infra for consumer apps

Developer toolsmedia infrastructure for consumer appsYC W26
Sparkles

Make everyone on your team an engineer

Developer toolsno-code engineering for non-technical teamsYC W26AI-native
Syntropy

The agentic coding app for complex tasks.

Developer toolsautonomous code generation and testingYC W26AI-native
Galvano.ai

galvano - Accelerated Hardware Development

Developer toolsAI-powered hardware design automationTS 2026AI-native
Zivash

Ziva - AI Plugin for Godot Game Engine | Generate Code, Build Scenes, Debug Errors

Developer toolsAI code generation for game enginesTS 2026AI-native
EverySim

Developer of a cloud-native engineering simulation platform designed to enable browser-based design, testing, and optimization of UAV airframes. The company integrates CFD, FEA, and AI-driven optimization into a single SaaS workflow that replaces fragmented toolchains and costly hardware, enabling both expert and non-expert engineers to run high-fidelity simulations easily and affordably.

Developer toolsCloud-native engineering simulation SaaS-
AtlasGrid

Accelerate Product Iteration

Developer toolsMobile app analytics and design insightsYC F25AI-native
Clad Labs

the brainrot ide

Developer toolsAI code generation IDEYC F25AI-native
Coasts

Localhost service isolation and orchestration for git worktrees

Developer toolsLocal development orchestration for git worktreesYC F25
Compyle

The coding agent that actually collaborates with you

Developer toolscollaborative coding agent for engineersYC F25AI-native
Fastshot

Lovable for mobile apps

Developer toolsAI-powered no-code mobile developmentYC F25AI-native
Parse

Build an API to interact with any website.

Developer toolsAPI generation for web scrapingYC F25
Redapto

Enterprise AI Transformation Platform

Developer toolsEnterprise AI transformation platformYC F25AI-native
Rivet

Visual editor to design in production code

Developer toolsAI visual editor for designersYC F25AI-native
Rovr

AI FDE Engine that runs your engineering workflows

Developer toolsAI engineering ops automationYC F25AI-native
Prompt Driven, INC.

PromptDriven.ai — PDD: The Last Programming Language™

Developer toolsprompt-driven code generation platform-AI-native
args

A better GItHub

Developer toolsGitHub alternative platformYC S25
Autosana

AI agents for E2E testing across mobile & web

Developer toolsAI-powered E2E testing automationYC S25AI-native
bitrig

Vibe code, test, and deploy Swift apps. All from your iPhone.

Developer toolsAI code generation for Swift mobile appsYC S25AI-native
Embedder

Hardware-Aware AI for Embedded Software Development

Developer toolsAI agent for embedded firmware developmentYC S25AI-native
F4 Industries

The GD&T Analysis Platform for Engineering Drawings

Developer toolsGD&T analysis for engineering drawingsYC S25AI-native
Floot

The easiest way for non-coders to build apps with AI.

Developer toolsNo-code AI app builderYC S25AI-native
Golpo

Create Whiteboard Explainer Videos with AI from a Prompt or Document

Developer toolsAI video generation for marketingYC S25AI-native
Interfere

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

Developer toolsAI-powered bug detection and insightsYC S25AI-native
Lark

The E2E testing layer for AI-driven development

Developer toolsAI-powered E2E testingYC S25AI-native
Magnitude

Code with local models, zero setup

Developer toolsLocal LLM coding environmentYC S25AI-native
Modelence

Build production-ready apps with AI

Developer toolsAI-first app development platformYC S25
Riverbank

Infrastructure Cartography

Developer toolsinfrastructure mapping and dependency visualizationYC S25
SigmanticAI

The Cursor for Chip Design - Delivering Silicon-Ready Chip Designs…

Developer toolsAI-native HDL design assistantYC S25AI-native
Topological

Physics-based foundation models for CAD optimization.

Developer toolsAI-powered CAD optimization and designYC S25AI-native
Osly

Developer toolsAI workflow automation builder-AI-native
Attune

Faster builds, zero effort.

Developer toolsBuild acceleration and compilationYC X25
Better Auth

The authentication framework for TypeScript

Developer toolsauthentication framework for developersYC X25
Bloom

Build and share mobile apps in seconds

Developer toolsNo-code mobile app builderYC X25
Clidey

Turn scattered data into one platform for decision-making

Developer toolsData modeling and decision platformYC X25
cubic

AI-powered code review platform

Developer toolsAI-powered code review platformYC X25AI-native
Docket

AI agents for web testing

Developer toolsAI-powered end-to-end testingYC X25AI-native
Hanji

Turn your hardest documents into reliable data

Developer toolsDocument data extraction pipelineYC X25AI-native
Human Behavior

Understand your users beyond the numbers

Developer toolsproduct analytics with vision AIYC X25AI-native
mlop

Experiment tracking for training ML models

Developer toolsML experiment tracking platformYC X25
MorphoAI

Software tool for designing robots and machines

Developer toolsAI-powered robot design and CADYC X25AI-native
Nimbic AI

Automatically write and update internal docs with every code commit.

Developer toolsAI documentation generation for codeYC X25AI-native
Partcl

Design a chip in minutes

Developer toolsAI-accelerated chip design automationYC X25AI-native
Plexe

Open-source agents to build predictive ML models from a prompt

Developer toolsML model generation from promptsYC X25AI-native
StarSling

Self-Driving CI: fast AI-native GitHub Actions runners

Developer toolsAI-optimized CI/CD runnersYC X25AI-native
Theorem

Program verification so even your systems engineers can vibecode

Developer toolsAI-powered program verificationYC X25AI-native
Vybe

Secure internal apps. Built by AI in seconds. Powered by your data.

Developer toolsAI-powered internal app builderYC X25AI-native
Bugster INC.

Testing Agent for busy developers

Developer toolsAI testing agent for developers-AI-native
a0.dev

We make mobile apps using AI.

Developer toolsAI-powered mobile app generationYC W25AI-native
Artifact

An Collaborative, AI-native IDE for Hardware Engineers

Developer toolsAI IDE for hardware engineersYC W25AI-native
assistant-ui

Open Source React.js Library for AI Chat

Developer toolsAI chat UI library for developersYC W25
Dalus

AI-Powered Hardware System Design Software

Developer toolsAI systems engineering softwareYC W25AI-native
Nitrode

Frontier AI research to advance game development

Developer toolsAI evaluation frameworks for game devYC W25AI-native
Onlook

Cursor for Designers

Developer toolsAI-powered visual code editor for designersYC W25AI-native
Operand

Operand — Private-Markets Intelligence

Developer toolsAI-powered code/query optimizationYC W25
Pinch

Real-time AI Voice Translation for Developers

Developer toolsvoice translation API for developersYC W25AI-native
Promptless

An AI teammate that automatically updates your customer-facing docs

Developer toolsAI-powered documentation automationYC W25AI-native
Quantstruct

AI documentation engineer – test & autoimprove stale product docs

Developer toolsAI documentation automation for APIsYC W25AI-native
ReJot

We turn complex API integrations into drop‑in full‑stack libraries

Developer toolsAPI integration frameworkYC W25
Stillwind

Electrical Engineering Components Compaion

Developer toolsAI tools for electrical engineersYC W25AI-native
Sublingual

Daily productivity tracker

Developer toolsTeam productivity and shipping trackingYC W25
Subtrace

Zero code network tracer

Developer toolsNetwork debugging and tracingYC W25
Tweeks.io

Lovable for Chrome Plugins

Developer toolswebsite personalization for ChromeYC W25AI-native
Weave

AI to understand and then route engineering work

Developer toolsAI model routing and cost optimizationYC W25AI-native
Woz

Claude Code plugin that reduces token consumption and cost by 50%

Developer toolsAI coding agent optimizationYC W25AI-native
OpenDrawing.ai

OpenDrawing - AI-Driven BOM Creation from Single Line Diagrams | Automated BOM Generation

Developer toolsAI-powered design and drawingTS 2025AI-native
VideoDraft

VideoDraft - Script, Storyboard and Produce like a Studio

Developer toolsAI video editing automationTS 2025AI-native
DDD Invoices

One API to enable locally compliant invoicing for your software, globally.

Developer toolsLocalized invoicing API infrastructure500G Georgia 7
Alex

The Cursor for Xcode

Developer toolsAI coding assistant for XcodeYC F24AI-native
ArchiLabs

AI CAD for AEC

Developer toolsAI CAD for architecture and engineeringYC F24AI-native
Capy

The IDE for the parallel age

Developer toolsAI agent orchestration IDEYC F24AI-native
Freebuff

The free coding agent

Developer toolsfree coding agent CLIYC F24AI-native

Showing first 100; narrow the filters to see the rest.