Developer Tools Startups

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.

2 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.

2 investors

Dialtone provides AI agent software that helps enterprises automate operations and workflows. The platform is designed for business process optimization using agentic AI technology.

2 investors

Didimo develops Popul8, a tool that automates character creation for video games by generating fully-rigged NPCs, crowds, and customizable avatars from a studio's own topology and specifications, with dynamic asset fitting and QA verification. It targets game developers from AAA studios to indies, with output optimized for engines including Unreal, Unity, and proprietary platforms.

2 investors

DiffusionData builds Diffusion, a real-time Pub/Sub server that streams low-latency data over WebSockets to web, mobile, AI, and enterprise clients while reducing bandwidth through delta streaming. It provides SDKs and adapters (Kafka, MQTT, REST) for developers building applications such as market data feeds, live sports betting, notifications, and multiplayer systems.

2 investors

SpatialStream, from Digital Map Products, is a SaaS spatial development platform providing APIs, web services, and spatial data sets for building geospatial and mapping applications on top of platforms like Bing Maps and Google Maps. It targets developers and companies looking to add mapping and location functionality to their applications without GIS expertise.

2 investors

DigitSec provides an application security testing platform for Salesforce environments, scanning custom code, third-party integrations, and APIs to identify vulnerabilities. It serves organizations building on Salesforce platforms such as Commerce Cloud.

2 investors

DIO is an online learning platform offering courses, bootcamps, and practical projects in AI, software development, and cloud technologies for individuals aiming to build careers in the global tech market. The platform connects learners with 150+ hiring partner companies and hosts a community of 2.4 million builders.

2 investors

display.dev is a platform that publishes documents and artifacts (HTML or Markdown) created by AI agents to a permanent, private URL via CLI, MCP, or web upload, gated behind a company's Google or Microsoft SSO. It offers version history, commenting loops between agents and teammates, and audit logs for teams working with AI agents.

2 investors

Dojima Network is an omnichain Layer 1 blockchain platform that connects the Web3 ecosystem onto a single unified layer. It is aimed at developers building cross-chain applications.

2 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.

2 investors

DraftAid uses AI to automate the conversion of 3D CAD models into 2D manufacturing drawings for engineers. The platform serves engineering teams working on infrastructure and industrial projects, reducing manual drafting time and improving consistency.

2 investors

Drdroid is a platform for production environments, though the page does not provide sufficient detail about specific offerings or customer segments.

2 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.

2 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.

2 investors

Duckly is an IDE plugin enabling real-time code collaboration and communication among developers using different integrated development environments. The tool allows teams to share code, terminals, and servers while conducting voice conversations.

2 investors

DuploCloud provides a platform that consolidates DevOps and cloud security for developers and organizations. The platform automates operational workflows and compliance management, bringing hyperscale cloud automation techniques to mainstream enterprises.

2 investors

DXOS is an open source framework for building real-time, collaborative local-first web applications that run on the client and communicate peer-to-peer without centralized servers. It provides components including a client-side replicating database (ECHO), public/private key identity management (HALO), and peer-to-peer networking (MESH) for developers building decentralized software.

2 investors

Dynamiq is a platform for building, testing, deploying, and maintaining generative AI and LLM applications within a company's own infrastructure or VPC, with features including observability, fine-tuning, guardrails, and RAG-based data integration. It targets enterprises with on-premise deployment, access controls, and compliance support (SOC 2, GDPR, HIPAA).

2 investors

Dynatrace provides an observability and security platform that uses AI to monitor applications, infrastructure, logs, and digital experience while automating workflows and detecting threats. It serves large enterprises across IT operations, application security, and software delivery.

2 investors

Earthly offers Lunar, a platform that converts engineering standards, compliance mandates, and incident-response actions into deterministic guardrails enforced across pull requests and CI/CD pipelines for both human-written and AI-generated code. It targets platform engineering, SRE, and compliance teams, integrating with GitHub, GitLab, and tools like Claude Code, Cursor, and OPA.

2 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.

2 investors

Echoes HQ provides software that helps engineering leaders track how their teams' work aligns with business objectives and measure the business impact of technical deliverables. The platform enables engineers to connect their daily contributions to broader business goals, giving leadership the visibility needed for hiring decisions, team communication, and resource prioritization.

2 investors

Eden AI provides a single API gateway that lets developers and companies access, compare, and switch between multiple AI models and providers, with features like fallback, monitoring, and cost visibility to reduce vendor lock-in. It also offers a dedicated EU endpoint with European data residency, zero data retention, and SOC 2, ISO 27001, and GDPR compliance.

2 investors