Developer Tools Startups

Dockup provides on-demand ephemeral environments that let engineering teams run manual and automated tests against their full tech stack before merging pull requests. It targets software development teams, positioning itself as a tool comparable to CI services like CircleCI without requiring services to be mocked.

1 investor

Documatic (Rover) is a code reliability platform that scans pull requests to detect bugs, security risks, and performance issues before they reach production, and builds an interactive graph of a codebase's services, APIs, and dependencies. Aimed at software engineering teams, it includes an AI code agent called Curio for exploring and diagnosing code.

1 investor

Docxpresso is a document management and automation platform for creating dynamic documents and automating document workflows. It is developed by No-Nonsense Labs.

1 investor

dodocs provides AI agents that automatically process accounting documents including invoices, receipts, and statements for accounting firms, handling capture, coding, reconciliation and posting while flagging anomalies and identifying missing documents.

1 investor

Doorstep provides an SDK that uses smartphone sensor fusion to detect delivery events indoors in GPS-degraded environments, tracking parking, entrance, floor, and drop-off details. It gives delivery operations and support teams precise last-100-meter visibility to reduce false refund claims and improve proof-of-delivery accuracy.

1 investor

Doksi provides AI-driven test automation that interprets the intent of described test cases rather than relying on brittle element selectors, allowing teams to write a test once and run it across iOS, Android, and Web. It handles complex flows like OTPs, OAuth, and multi-app interactions, captures screenshots, video, logs, and device metrics per run, and integrates with Slack, GitHub, CI/CD, and scheduled triggers.

1 investor

Dondon develops assistant tools for 2D animators to speed up common tasks and integrate with anime production pipelines.

1 investor

Doorstep offers an SDK that uses smartphone sensor fusion to detect delivery events indoors in GPS-degraded environments, tracking parking, entrance, floor, and drop-off details. It gives delivery operations and support teams last-100m visibility to improve ETA accuracy, driver wayfinding, and reduce false refund claims and disputes.

1 investor

Double.bot is an AI-powered coding assistant available as a VS Code extension that provides chat, code generation, autocomplete, and inline editing features using models like GPT-4o and Claude 3.5 Sonnet.

1 investor

Downlink offers an API that optimizes AI model performance by expanding rate limits, lowering latency, and improving accuracy through model selection and fine-tuning. It is aimed at AI engineers building applications, and integrates with existing OpenAI-compatible clients across languages like Python, TypeScript, and Go.

1 investor

DownPat is an open-source toolkit for building AI-powered training applications where users practice conversations with AI coaches. It provides server and client packages for conversational AI training, supporting OpenAI, Anthropic, and Google Gemini models, with Firebase storage and admin tooling for developers.

1 investor

DragonEye provides vision AI software that detects objects and attributes in images using zero-shot models, requiring no manual training. The platform serves developers and businesses building computer vision applications through drop-in SDKs and a model studio.

1 investor

Dragonfly is a Redis-compatible, multi-threaded (thread-per-core) in-memory data store that delivers higher throughput and better memory efficiency on a smaller hardware footprint. It serves engineering teams running real-time data infrastructure at scale, offered both as open source and as a managed cloud service.

1 investor

DrapCode is a healthcare application development platform that helps organizations build HIPAA-compliant electronic health record systems to centralize patient information, clinical documentation, and care workflows. The platform supports interoperability with connected healthcare applications and integrates with telemedicine, laboratory, and diagnostic services.

1 investor

Dream Arts is a Japanese enterprise software and digital transformation company that supports large corporations in modernizing their operations through DX initiatives. The company promotes "digitalization democratization," enabling non-IT professionals to autonomously leverage digital technologies across organizations.

1 investor

Dream Incubator Inc. is a Tokyo-based firm providing business production ("business produce") consulting and startup incubation services. It is a publicly listed company on the Tokyo Stock Exchange Prime Market.

1 investor

Dream3D is a research team building foundation models that turn data into interactive simulations.

1 investor

Dreamforge builds 3D modeling software designed for use with 3D printers. The company focuses on consumer and prosumer 3D printing tools.

1 investor

Drizz is a mobile test automation platform that lets QA teams write tests in plain English and run them on real Android and iOS devices using vision AI, with self-healing tests and CI/CD integration. It targets mobile engineering and QA teams, including those in regulated industries like financial services and healthcare.

1 investor

Droidrun provides infrastructure that gives AI agents access to a real phone with an identity, enabling them to operate mobile apps directly. It targets developers building AI agents that need to interact with mobile applications.

1 investor

Dropbase is a prompt-based platform for building internal business applications that connect to databases and external services. It targets companies in operations-heavy industries seeking to reduce development time for back-office tools like dashboards and data management interfaces.

1 investor

Dry is a no-code platform for building collaborative full-stack AI apps, functioning as an MCP server and collaborative database that provides memory for ChatGPT and other AI assistants. Users can build via chat to track fitness, manage projects, maintain customer databases, run recruiting pipelines, and more.

1 investor

DSharp is a data modeling platform that allows teams to build unified data models either from business questions or from existing data sources, then automatically generates governed data pipelines and code. It serves data teams and business analysts who need to align on shared data definitions across their organizations.

1 investor

A platform that adds memory, governance, and continuity tracking to AI workflows, enabling organizations to maintain records of approvals, decisions, and model drift over time.

1 investor