Developer Tools Startups

Desktop Commander is a local AI agent application that executes tasks on a user's computer — opening folders, running commands, writing and editing files, connecting apps, and automating workflows from plain-English prompts. It works with any AI model, keeps files local, and is also available as an MCP server to extend existing AI clients.

3 investors

Detect publishes a newsletter focused on software problem detection, covering topics such as production incidents, root cause analysis, memory profiling, and Kafka monitoring for software engineers.

3 investors

SDSA develops a developer platform and UI patterns to enable agentic AI applications that can assist users in their daily software interactions through a reimagined privacy model.

3 investors

DevArmor provides real-time application security feedback inside developer tools, catching design flaws and reviewing code changes against a team's architecture and security requirements before issues reach production. It focuses on secure-by-design threat modeling and AppSec for engineering and security teams.

3 investors

Dgraph is an open-source, distributed graph database that operates at terabyte-scale for real-time applications, offering both direct database operations and GraphQL API interfaces for developers.

3 investors

Rocket (by DhiWise) is an AI-powered app builder that turns a single natural-language prompt into a full-stack application, generating UI/UX, production-ready code in the user's chosen framework, auto-configured backends (database schemas, authentication, API endpoints), and deployment via GitHub, Netlify, or custom domains. It targets both non-technical creators and developers who want to build and launch web and mobile apps without extensive coding.

3 investors

Diagrid provides a platform for building and running mission-critical workflows and autonomous AI agents on distributed systems, serving developers and enterprises building cloud-native applications.

3 investors

Diffblue offers an AI-powered solution that automatically generates Java unit tests, freeing developers from manual test writing. The tool serves engineering teams looking to improve code quality, test coverage, and developer productivity across their codebases.

3 investors

Digital Hack provides an outsourced IT/information-systems support service ("IT顧問 情シス君") that helps businesses with digitalization and DX, aiming to reduce operating expenses, workload, and management costs. It primarily serves small and medium-sized enterprises as well as large companies in Japan.

3 investors

Display.dev is a gated publishing platform that allows teams to share AI-generated HTML and Markdown artifacts with secure authentication via Google, Microsoft, or one-time passwords. The platform addresses the problem of sharing agent-generated content from tools like Claude Code and Cursor without relying on screenshots, repositories, or expensive hosting solutions.

3 investors

Dome Systems builds a governance platform for AI agents operating across enterprise cloud platforms, data systems, and SaaS tools. The platform provides control, consistency, and security for agentic software development.

3 investors

Donobu is a local-first testing platform that explores a website, detects issues, and automatically writes and maintains Playwright browser tests. It targets engineers, QA teams, and coding agents, runs tests locally with the user's own LLM API keys, and integrates with IDE assistants like Claude Code and Cursor via MCP.

3 investors

Dosu provides knowledge infrastructure that automatically captures and maintains documentation for engineering teams and their AI coding agents. It integrates with GitHub, GitLab, Slack, MS Teams, and coding agents via an MCP server to build a shared knowledge base that keeps docs current and improves agent performance.

3 investors

A platform that lets developers create autonomous agents by providing infrastructure for reasoning, state management, and analytics, while offering end users a marketplace and interface to interact with and share agents.

3 investors

DreamCraft offers a code-free platform, bundled with art assets, that lets anyone create, publish, and monetize video games. It serves aspiring and independent game creators in the gaming industry.

3 investors

Modal provides a Python-based platform for defining and running cloud workloads in code, with composable primitives that specify logic and hardware together. It targets AI and ML teams needing fast autoscaling, instant-booting containers, GPU access across clouds, and integrated logging and observability for production applications.

3 investors

DSP Concepts provides embedded audio software and development tools for engineering teams building audio products on digital signal processors and system-on-chip platforms. The company serves automotive and consumer electronics manufacturers needing to design, debug, and deploy real-time audio solutions.

3 investors

Duckie builds AI agents that resolve customer support tickets by taking direct actions rather than just providing information. The platform is designed for support teams to configure agents using plain English without engineering expertise.

3 investors

Duku is an AI-agent-based testing tool that explores a product from its URL like real users, maps every state and transition into a coverage graph, and runs automated tests on critical user flows via a GitHub Action on each pull request. It targets engineering teams to catch UI and functional bugs that traditional test suites miss, without requiring manual test scripts.

3 investors

echo3D provides cloud infrastructure and content management tools for developers and organizations to store, manage, publish, and stream 3D content in real-time. The platform serves teams working with 3D, AR, VR, and spatial computing content across various industries.

3 investors

ECI provides enterprise network monitoring and incident management services with 24/7 support, helping organizations detect and resolve network infrastructure faults to minimize outages and security risks. The service includes proactive maintenance, vulnerability assessments, and a global network operations center for enterprise clients.

3 investors

Edgegap provides distributed cloud hosting infrastructure for game developers, including regionless hosting integrated with game server platforms like Nakama. It serves the gaming industry with deployment and matchmaking tools for multiplayer titles.

3 investors

effx built a platform to help engineering teams collaborate and work more productively, with a focus on microservices architectures. The company has since joined Figma's engineering team.

3 investors

EGO AI builds conversational AI and voice agents designed to create human-like interactions, with a focus on emotional resonance and user experience. The company serves customers seeking advanced AI character and conversational technology.

3 investors