Developer Tools Startups
5,798 companies tagged Developer Tools, with their investors and founders.
QPoint provides an endpoint security tool (Qcontrol) that installs as a single binary to discover AI agents running on a machine and capture their file access, tool calls, network requests, and process execution in real time. It offers audit trails and policy controls (via plugins) to observe, block, or rewrite agent actions, feeding events into existing SIEM, SOC, and compliance tooling for security teams.
3 investors
Quali provides a self-service platform that lets technology teams develop, test, and deploy across multiple cloud environments while managing infrastructure complexity. It serves engineering and IT teams working with cloud infrastructure.
3 investors
Qualified provides automated coding assessments and a developer-friendly IDE for evaluating technical competency. The platform serves companies looking to assess and hire developers, offering customizable assessments, code review tools, and detailed performance analytics.
3 investors
QuantPi develops testing and verification technology for artificial intelligence systems to assess their reliability, explainability, and safety before deployment. The company serves enterprises and institutions seeking to deploy AI responsibly and build greater trust in intelligent systems.
3 investors
Quesma builds observability systems for AI coding agents, tracking their performance, costs, and behavior to help teams measure and optimize agent work. The company serves AI labs and organizations deploying software engineering agents.
3 investors
Queue provides a platform for managing creative agency operations, serving video editors, UI/UX designers, and esports coaches for tasks like VOD reviews and project management.
3 investors
Quickbase + FastField provide field service management software that captures field data in real time and syncs it to an office-based operational control system. The solution combines mobile field capture with real-time visibility, work order management, safety tracking, and asset management for asset-heavy, compliance-driven industries including construction, utilities, manufacturing, and healthcare.
3 investors
Quilter builds physics-driven AI that automatically generates printed circuit board (PCB) layouts, using Maxwell's equations, thermodynamics, and manufacturing constraints rather than human design patterns. It serves hardware engineering teams as an alternative to traditional EDA tools, aiming to replace manual trace routing with automated computation.
3 investors
Quotient provides a productivity analytics platform for engineering teams that integrates data from developer tools and surveys to identify and recommend research-backed actions for improving team performance and velocity.
3 investors
RadiantOps is an engineering analytics product that turns code, collaboration, tickets, and AI agent activity into a unified view of a team's work, highlighting notable changes with the underlying evidence. It helps engineering leaders track AI investment and adoption, knowledge concentration, and emerging work patterns within their own organization.
3 investors
Ragie provides a context engine with APIs for document indexing and retrieval, parsing (agentic OCR), and entity extraction to supply AI agents, assistants, and applications with accurate context. It offers a managed RAG pipeline with hybrid search, native data connectors, and an MCP server, serving teams from startups to enterprises across sectors such as legal, productivity, and sales.
3 investors
Random Labs develops Slate, an autonomous coding agent that can engage in extended work sessions on complex programming tasks.
3 investors
Ranger provides quality assurance and testing services for software teams, combining AI technology with human expertise to help teams detect bugs and maintain product quality while reducing time spent on QA.
3 investors
Netlify provides a platform for building, deploying, and scaling modern web applications, including corporate sites, e-commerce platforms, and SaaS applications. The platform serves developers and enterprises with tools for composable web architecture and production deployment.
3 investors
ReadyAI provides structured, machine-readable intelligence extracted from websites, transcripts, and documentation for AI agents and applications. The platform indexes web content into standardized formats and offers data enrichment services for developers, researchers, and enterprises.
3 investors
Redgate develops database management software that helps organizations automate, secure, and scale their data infrastructure throughout the DevOps lifecycle. The platform serves IT leaders, development teams, and data professionals across enterprise organizations.
3 investors
Regatta is building a database designed for AI agents and modern applications, leveraging foundational expertise in distributed systems and data infrastructure.
3 investors
Release creates isolated staging environments for each pull request, allowing engineering teams to test code changes in parallel rather than sharing a single shared staging instance.
3 investors
Relume offers an AI-powered site builder that generates sitemaps, wireframes, and style guides for marketing websites in minutes. It targets designers, developers, freelancers, and agencies, providing a library of over 1,000 components exportable to Figma, Webflow, React, and Claude Design.
3 investors
Relvy provides AI-assisted debugging tools that help software engineers investigate system incidents and identify root causes, with automatic analysis for many alerts and manual guidance options when needed.
3 investors
Requestly is a Git-native API client for teams to design, build, and test APIs in a single local-first application. It serves software developers at Fortune 500 companies and offers features like REST and GraphQL support, environment management, and collaboration tools with enterprise-grade security.
3 investors
Requesty is an AI gateway that routes requests across 600+ LLM models with intelligent routing, cost optimization, and real-time analytics. It provides observability, caching, failover, governance, and PII detection for enterprises managing multiple AI providers.
3 investors
Rerun is building a multimodal data stack for embodied AI, providing tools used by companies developing AI applications in the physical world. It offers developer tooling for handling and visualizing multimodal data used in robotics and physical-world AI.
3 investors
ReSim provides a simulation and testing platform for physical AI and robotics teams, letting them evaluate embodied AI performance across thousands of virtual scenarios before deployment. It integrates with tools like GitHub, GitLab, Foxglove, and Isaac SIM to enable continuous testing and regression detection in AI development workflows.
3 investors

















