Developer Tools Startups Directory

Browse our directory of Developer Tools startups with AI-researched profiles, funding data, financial metrics, competitive analysis, and more.

All 69 developer tools startups

• Replit — Build software collaboratively from your browser — AI-native development for everyone
• Supabase — The open-source Firebase alternative
• Clerk — Complete user management for modern apps
• Zeplin — Deliver on the Promise of Design
• Simantic — Firmware simulation for AI agents
• Runtime — Build and run internal agents, without managing the infrastructure
• OpenProse — An open-source operating system for reliable long-running agents
• Lamina Labs — Near-real-time video infrastructure for LLMs
• Zenbu — The extensible IDE for coding agents
• Lightsprint — Collaborative product development with cloud agents
• Replicas — Run any coding agent harness in the cloud
• Canary — The first AI QA engineer that understands your code
• Glue — Open-source design editor for AI agents
• Superset — Building the platform for software factories
• Ashr — Automated Multi-Modal Testing for Agents
• Zatanna — Turning all software into agent-first APIs
• Sentrial — Datadog for Agent Reliability
• shortkit — Media infra for consumer apps
• Sonarly — Makes software self-healing
• Coasts — Localhost service isolation and orchestration for git worktrees
• Fastshot — Lovable for mobile apps
• Arcten — Lab working on long-horizon autonomous research and coding agents
• dari.dev — The Production Layer for AI Agents
• Retool — The fast way to build internal software.
• CaptivateIQ — Agile commission software to design, deploy, and adapt incentive compensation plans
• Mogara — Automatic software R&D capitalization
• Procoto — Self-service RFP and procurement management for SMBs
• Speedy Labs — AI-powered rebate management for manufacturers and distributors
• haddock — AI agents for restaurant operations
• Cursor — The AI-native code editor becoming the operating system for software engineering
• Mendral — AI DevOps Engineer that autonomously manages CI/CD pipelines
• Canary — The first AI QA engineer that understands your codebase
• Windsurf — The agentic AI IDE that keeps developers in flow
• LangChain — The most widely used framework for building LLM and agent applications
• Ollama — The easiest way to run open models locally — the developer default for on-device AI
• Astral — The company behind uv and Ruff — the Python tooling stack acquired by OpenAI for ~$750M
• Bolt.new (StackBlitz) — Prompt-to-full-stack-app: the fastest-growing product in software history
• Linear — Issue tracking and project management built for high-performance teams — now $1.25B
• Augment Code — Deep contextual AI coding assistant for large codebases — the GitHub Copilot rival from Eric Schmidt
• Factory AI — AI agents that ship enterprise software — droids that own the dev lifecycle from ticket to PR
• Neon — Serverless Postgres — the developer-first branchable database, now a Databricks company
• Arize AI — The continual learning platform for agents — AI observability, LLM evaluation, and agent improvement
• machine0 — AWS for Agents — cloud computers for AI agents
• Amorphic Labs — OpenRouter for agent capabilities — a marketplace where agents buy their own tools
• Care GP — AI agents to run primary healthcare operations
• Sentry — Application performance monitoring built for developers
• Blacksmith — Faster cloud-based code testing for modern software teams.
• Dagster Labs — Tools for building and running reliable data workflows.
• incident.io — Software that helps teams respond to service outages.
• Harness — Software delivery and engineering management tools.
• Polar Signals — Making software run faster and cost less.
• Attio — AI-native CRM that lets go-to-market teams build their own systems on a flexible, real-time data mod
• Zed — High-performance open-source code editor written in Rust, built by the creators of Atom and Tree-sit
• Warp — The agentic development environment born out of the terminal
• Firecrawl — The web data API for AI agents — 1.5M+ users, now building Alexandria, the knowledge library that pa
• Convex — The reactive backend platform for developers and their agents
• Bun — The fast all-in-one JavaScript runtime, now part of Anthropic
• CopilotKit — The open-source layer that lets AI agents live inside your app — creators of the AG-UI protocol
• OpenHands (All Hands AI) — The open-source coding agent platform — born as OpenDevin, now 'the operating system for agentic sof
• Charm — We make the command line glamorous — the team behind Bubble Tea, Lip Gloss, Glow and the Crush AI co
• Base44 — Describe the app, get the app
• Cognition — The company behind Devin, the AI software engineer
• n8n — Workflow automation and AI orchestration you can actually control
• PostHog — The developer's all-in-one product and data platform
• CodeRabbit — The AI code reviewer for the vibe-coding era — 2-year-old startup turned unicorn at $1.5B
• Rork — Build and ship real native mobile apps from a prompt — the vibe-coding platform for the App Store
• Zapier — The automation platform connecting 8,000+ apps — profitable since 2014, ~$310M ARR, and going all-in
• ClickUp — One app to replace them all — 20M+ users, $300M+ ARR, $4B valuation
• Reducto — Document parsing and extraction for production AI workflows

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