Developer Tools Startups

A full-stack engineering team that builds, tests, and ships SaaS products with roles spanning architecture planning, backend APIs, frontend UI, and QA testing.

4 investors

CubeNexus builds a spatial-temporal data layer that unifies sensor, asset, and operational geospatial and time-series data across a company's existing warehouse and GIS systems. It targets enterprise analytics and industrial software teams in sensor-heavy domains such as aviation and oil & gas.

4 investors

Cybeats is a software supply chain security company that provides an SBOM (Software Bill of Materials) management platform for organizations to track software components, automate vulnerability lifecycle management, and prioritize security remediation. It serves enterprises and manufacturers, including those in regulated industries such as medical devices, needing software transparency and compliance.

4 investors

CyDeploy provides a platform that uses automated asset discovery, digital twins, and AI-driven testing to help organizations understand the impact of technology changes like patches and digital transformations on their environment. The platform serves enterprise IT and operations teams seeking to implement changes confidently through environment verification and compatibility checks.

4 investors

d_model develops reinforcement learning environments that train AI agents to conduct interpretability and alignment research on frontier language models. The company partners with AI labs to build agents capable of performing cutting-edge AI safety research rather than optimizing for reward signals.

4 investors

ProdPerfect uses AI agents to automate software testing for legacy mainframe modernization projects, ingesting source code, JCL, and transaction logs to map user workflows and generate plain-English test cases. Its Test Agent baselines legacy applications and produces self-healing test automation in Playwright that integrates into CI/CD pipelines, targeting engineering and QA teams undertaking migration projects.

4 investors

Dazz builds a remediation engine and Application Security Posture Management (ASPM) platform that correlates security data from multiple sources, maps issues to their root cause in code, and integrates cloud context into security workflows. It serves security and engineering teams to prioritize and resolve application and cloud risks across the software lifecycle.

4 investors

DBeaver Team Edition is a client-server database management platform that enables teams to collaborate on SQL scripts and data analysis in real time with enterprise-grade security, audit controls, and role-based access management. It serves data departments including developers, DBAs, data analysts, and business users across development, operations, and analytics functions.

4 investors

Decawork provides an operating layer for IT teams to deploy, govern, and maintain AI agents running across a company's systems. It handles agent identity, scoped access to internal systems, spending caps, approval gates, and audit records so agents stay controlled from onboarding through audit.

4 investors

Decent provides a framework for launching and operating crypto tokens with onchain contracts, warrants, regulatory compliance structures, and audited open-source smart contracts designed to protect investors. It serves web3 founders and tokenholder communities seeking transparent, compliant token launches.

4 investors

deco.cx is an AI-ready platform for building and managing websites and e-commerce storefronts, offering visual editing, pre-built and custom components, AI agent workflows, and full code control. It targets businesses building and optimizing digital commerce experiences, with enterprise-grade security, monitoring, and deployment features.

4 investors

DeepSky provides AI agents that handle research, drafting, content creation, and code development tasks for teams. The platform integrates with existing team workflows and tools, delivering live applications and artifacts that update as business needs change.

4 investors

Deeptune builds simulation environments (training gyms) where AI agents can practice performing tasks like coding and spreadsheet work to improve performance. The platform serves frontier research labs and provides pre-built environments mimicking popular software like Slack and Salesforce.

4 investors

DepthFirst offers an application-security platform for humans and AI coding agents, providing a dependency firewall, code-change security review, continuous runtime testing of running applications, and dependency reachability analysis to surface exploitable vulnerabilities. It targets engineering and security teams, adding policy controls, audit logging, scoped access, and bring-your-own-key encryption.

4 investors

Dessn is a design and prototyping tool that connects to a team's production codebase (read-only) and turns it into a collaborative design environment, letting designers and non-developers create high-fidelity prototypes as live branches without opening an IDE. It targets product teams working on React web apps and is SOC2 Type II certified.

4 investors

DevCycle provides a feature flag and feature management platform for software development teams to control feature releases and code deployment while limiting tech debt. Formerly known as Taplytics, which started as an A/B testing and experimentation tool, the company now serves large-scale brands.

4 investors

Devtron is a Kubernetes-native platform that combines CI/CD, GitOps, observability, and security to manage software delivery. It serves development and DevOps teams at startups and enterprises adopting cloud-native practices.

4 investors

DevZero is a Kubernetes platform that optimizes large-scale container environments through telemetry, machine learning, and automation to reduce resource waste and costs. It serves engineering teams and developers managing Kubernetes infrastructure.

4 investors

Dime generates end-to-end tests for websites automatically, allowing developers to catch bugs without manually writing test code.

4 investors

Disqus provides a commenting system that websites embed to host reader discussions, operating a network across millions of sites along with an advertising network and its own content platform. It serves website publishers and online communities in the web content and media space.

4 investors

Ditto is a content management system that centralizes product language standards, terminology, and content patterns, then enforces consistency across design, development, and code tools. It helps teams maintain on-brand copy through AI-assisted suggestions, version tracking, and localization capabilities.

4 investors

Diversion is a cloud-native version control platform for game developers, virtual production teams, and creative studios that manages code, game assets, and large binary files with real-time collaboration. The platform offers Git-like workflows with no server infrastructure to maintain, serving as a modern alternative to legacy tools like Perforce.

4 investors

Divshot offered a front-end development environment that ran in the browser and targeted responsive web applications. Users laid out pages through a visual interface and exported the result as HTML5 and CSS3 code.

4 investors

doola provides a platform for entrepreneurs globally to form and operate U.S. businesses, offering an all-in-one back-office solution including LLC formation, business banking, tax filings, and compliance services. The company serves international founders and entrepreneurs who want to establish or manage a U.S. business from anywhere in the world.

4 investors