Developer Tools Startups

Devengo is a Payment Service Provider offering an API for instant account-to-account (A2A) payments, including IBAN account creation, push and pull payments, and account holder verification (Valitic). It serves businesses and tech teams that need to automate real-time payouts, pay-ins, and reconciliation across the Euro-zone/Europe.

2 investors

Devii converts SQL databases (MySQL, PostgreSQL, Oracle, SQL Server, and others) into GraphQL APIs, automatically generating schemas, queries, mutations, CRUD operations, and policy-based access control. It targets developers and businesses building AI-ready applications as a managed backend infrastructure.

2 investors

2 investors

Devpost operates a platform that hosts software competitions (hackathons) for developers, serving customers including corporations, non-profits, government agencies, and universities. It aims to give developers a place to find inspiration and improve their skills.

2 investors

DevStride is a work and delivery management platform that combines project planning, status tracking, and customer support in a single system for product and services teams. The platform integrates with development tools like GitHub and Slack while replacing traditional disconnected planning and help desk software.

2 investors

StreamingFast (dfuse) builds blockchain data infrastructure, including the Firehose extraction layer and Substreams, a parallelized streaming engine that lets developers write Rust modules to index and transform full blockchain histories and sink the data to destinations like PostgreSQL, Kafka, or subgraphs. Its open-source, chain-agnostic tools serve blockchain developers, indexers, and data analysts, and it is a core developer on The Graph.

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

Diddo builds AI shopping agents that find products across multiple merchants and combine them into a single universal cart with one checkout. It also offers a universal cart API with SDKs for developers to connect to merchants programmatically.

2 investors

Diffusion is a real-time data platform that ingests, transforms, and distributes streaming data at low latency to millions of connected endpoints for enterprises. It provides protocol adapters, hierarchical data models, delta streaming, and security controls for mission-critical applications.

2 investors

Digger is an infrastructure-as-code automation tool that generates Terraform and Kubernetes configuration from short commands, letting engineering teams stand up cloud environments without writing the boilerplate themselves. It works through a CLI and GitOps-style workflows that plug into a team's existing repositories, so provisioning and infrastructure code review happen alongside normal pull requests.

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

Dioxus is a Rust framework for building fullstack web, desktop, and mobile applications. It enables developers to write code once and deploy across multiple platforms with live hotreloading and server function capabilities.

2 investors

Docket automates complex testing workflows with pixel-perfect precision by capturing on-screen coordinates, enabling testing of canvases, iframes, popups, and non-standard elements that traditional testing tools cannot handle.

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

Dokidoki Groove Works is a Japanese company that creates digital content and services driven by passion and excitement ("dokidoki"), aiming to deliver engaging experiences to clients and users worldwide.

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

Driver is a compiler-based platform that generates and maintains codebase context for AI agents to use during coding tasks. It serves enterprise teams and high-velocity startups that need deterministic, exhaustive code understanding for AI-driven development workflows.

2 investors

Dropsuite provides automated, immutable cloud backup and recovery for SaaS applications including Microsoft Exchange, OneDrive, SharePoint, Teams, Google Workspace (Gmail, Drive, Calendar, Contacts), and QuickBooks Online, aimed at managed service providers (MSPs) protecting client data. The company has been acquired by NinjaOne and its technology now continues as NinjaOne SaaS Backup.

2 investors

DryRun Security offers an AI-native code security platform that builds a contextual model of a codebase to detect exploitable vulnerabilities, guide remediation, and enforce security policies across human- and AI-generated code. It serves engineering and application security teams, integrating with tools like GitHub, GitLab, and Slack to surface findings within pull request workflows.

2 investors

Dualboot Partners designs and builds AI-enabled systems for organizations to run, adapt, and grow, combining strategy, design, and engineering through their Aixle operating model. They deliver end-to-end digital solutions from product strategy to launch, serving enterprise clients seeking business-driven technology outcomes.

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