Developer Tools Startups

DCHQ provides a platform for automating the deployment and governance of container-based applications. Engineering and operations teams use it to model application stacks and to deploy, update, back up, and monitor them.

1 investor

Dcoder was a mobile IDE that allowed developers to write and run code on smartphones and other portable devices without requiring a desktop computer or laptop. The platform served students, beginners, and professional developers seeking to code outside traditional desk environments.

1 investor

A software platform that integrates accounts receivable invoice flows across multiple systems, countries, and regulatory environments, allowing enterprises to manage both mandate and non-mandate compliance scenarios in a unified structure.

1 investor

Anteon is a monitoring solution that collects metrics, traces, and logs from Kubernetes clusters without requiring code changes, using an eBPF agent. It serves DevOps and platform engineering teams operating containerized infrastructure.

1 investor

Deazy connects businesses with vetted, high-performing development teams to deliver digital projects. The company operates a managed marketplace where clients can access reliable external developers with quality guarantees and ongoing delivery oversight.

1 investor

Debricked provided open-source software vulnerability management and dependency scanning for developers, now acquired and integrated into OpenText Fortify SCA.

1 investor

DebugBear is a website monitoring tool that measures web performance, Lighthouse audit scores, accessibility, and SEO, offering synthetic testing and real user monitoring with alerting. It provides features like side-by-side competitor comparisons, an API and webhooks, PDF/CSV exports, and AI coding agent fix prompts for development and web teams.

1 investor

decent.land builds onchain data infrastructure — an "onchain data center" for storing, verifying, and computing with blockchain data at scale, secured by Arweave and HyperBEAM. It runs HyperBEAM nodes and custom devices and offers tools such as file sharing and a cloud drive with optional permanence for Web3 developers.

1 investor

Decentraweb provides decentralized domain registration and web3 identity services, allowing users to claim and register top-level domains on blockchain networks. The platform serves cryptocurrency wallets, gaming communities, and enterprises seeking decentralized identity solutions.

1 investor

Decipher AI develops software that automatically generates and maintains end-to-end tests while applications evolve, detecting problems before reaching users and providing notifications when production bugs occur.

1 investor

MyDecisive builds SmartHub, a real-time observability and telemetry control platform that captures critical bottlenecks, filters out healthy-data noise, redacts PII at the source, and automates incident-response workflows to reduce MTTR. It targets engineering and operations teams managing their monitoring stacks and observability budgets.

1 investor

Deck provides developer infrastructure for building computer-use AI agents that authenticate as end users, operate web apps, desktop, and legacy software through real interfaces, and return structured results. It includes a credential vault, built-in authentication handling MFA and CAPTCHA, isolated sandboxes for parallel agents, and a console and API for developers.

1 investor

Decode is a multiplayer canvas where product teams create diagrams, markdown plans, wireframes, and live previews of their app, then connect AI coding agents via a Desktop MCP Server to build and fix the UI based on what users mark directly on the board. It targets PMs, designers, and engineers working alongside coding agents to move from requirements to working UI.

1 investor

Open-weight frontier AI lab developing hybrid reasoning language models and iterative self-improvement methods on a path toward general superintelligence.

1 investor

Deep Interactions is a collaborative AI builder that helps product teams scope, design, build, and deploy AI products while maintaining alignment across business goals, design, and technical execution. It integrates into existing tools and workflows to move teams from concept to production without prototype handoffs.

1 investor

Deep Marketer offers an AI system that reviews Google Ads campaign data and adjusts bids and ad creatives on its own. It is aimed at digital marketers who want to cut down on hands-on campaign tuning while improving return on ad spend.

1 investor

Deep Reasoning Labs develops long-horizon coding agents aimed at large real-world code bases and mission-critical workflows.

1 investor

Deeptune builds simulation environments ("training gyms") where AI agents can practice tasks like writing code or working in software such as Slack and Salesforce, then learn and improve over time. The gyms come with problems, datasets, and infrastructure and are targeted at frontier AI research labs.

1 investor

AW3 Technology provides software development and startup support services, including MVP development, product strategy, branding, and AI and blockchain engineering for early-stage startups from inception through Series A. It also offers mentorship, fundraising support, and enterprise software consulting for businesses.

1 investor

DefectDojo is a DevSecOps and application security orchestration platform that integrates with 200+ security tools to help security teams automate vulnerability management and scale their operations. It offers an open source edition alongside a Pro Edition for security teams seeking automation and actionable insights.

1 investor

Delta Engine develops cross-platform game development technology and tools. The company has expanded into cryptocurrency and AI/robotics research since 2017 and 2019 respectively.

1 investor

Deno is an open-source JavaScript and TypeScript runtime with built-in tooling such as a package manager, test runner, formatter, linter, and type checker, and it is fully Node-compatible. It targets developers building server-side and web applications, offering zero-config TypeScript, granular security permissions, and web-standard APIs.

1 investor

Deontic builds generative AI tools and intelligent agents for validation and verification of ADAS and autonomous driving systems, including AI-driven scenario generation that converts natural language into OpenDRIVE/OpenSCENARIO formats. It integrates with IDEs like Cursor and Visual Studio Code via an MCP server, serving mobility and self-driving technology developers.

1 investor

Detail builds an automated code quality system that uses AI agents to identify and fix bugs and technical debt in codebases, prioritizing issues based on their actual importance to engineers. The platform enables "nocturnal" engineering workflows where developers write code during the day and AI agents autonomously improve code quality overnight.

1 investor