Developer Tools Startups

1 investor

Stadia Maps provides location-based APIs including interactive maps, geocoding, routing, and geospatial services for applications requiring spatial data and navigation capabilities. The platform serves developers and enterprises needing scalable mapping solutions, with support for both cloud and on-premises deployment options.

1 investor

Stage provides code review software that helps engineering teams understand and evaluate AI-generated code contributions. The platform accelerates the review process by reorganizing how developers analyze pull requests, allowing teams to review submissions more quickly.

1 investor

Stagewise builds an open-source platform for autonomous AI agents that can work across multiple systems, applications, and databases with rich environmental context and user-defined limits. The platform is designed to enable agents to perform autonomous work across software development and broader enterprise environments for teams and companies of any size.

1 investor

Staris provides automated penetration testing and vulnerability validation for security consultants and partners, delivering proof-of-exploit findings with PR-ready patches rather than unverified scanner output.

1 investor

Starkscan is a blockchain explorer and data index for the Starknet network, providing decoded blocks, transactions, and contract data through an explorer UI as well as MCP, SDK, REST, and CLI interfaces. It is aimed at both developers and AI agents that need to read and query Starknet data programmatically.

1 investor

Startti provides a platform for developers and teams to build and deploy autonomous AI agents without managing underlying infrastructure. The company focuses on making AI agents accessible, modular, and operationally transparent from day one.

1 investor

StartupYard is Central Europe's leading pre-seed and seed accelerator for technology startups, offering a three-month fully remote mentorship program with funding, network access, and operational resources to early-stage tech companies. Founded in 2011 and based in Prague, it has accelerated over 125 startups from 25+ countries.

1 investor

Stately provides a visual drag-and-drop editor for designing application logic as state machines and statecharts, generating code, tests, and React app scaffolding from diagrams. It serves as a source of truth for frontend and backend workflows and is built around XState, an open-source library for managing state in JavaScript and TypeScript apps.

1 investor

StatusGator monitors cloud services, hosted applications, and websites and aggregates their statuses into a single, customizable status page for IT and helpdesk teams. It alerts teams to outages and lets them communicate incidents to employees and clients to reduce support tickets, with integrations for tools like Slack, Microsoft Teams, and PagerDuty.

1 investor

Steadwing is an autonomous on-call tool that correlates data from Datadog, PagerDuty, Slack, GitHub, and other sources to identify the root cause of production incidents and suggest fixes. It targets engineering and DevOps teams, learning from past incident history to improve accuracy over time.

1 investor

The Stellar Development Foundation is a mission-driven organization building infrastructure to make the global financial system more accessible through the Stellar network and ecosystem.

1 investor

Stellate provides an edge caching and performance layer for GraphQL APIs, offering response caching, rate limiting, monitoring, and analytics to reduce backend load and improve API stability. It targets developers and engineering teams running GraphQL APIs.

1 investor

AIChef is a mobile application that assists users with meal planning, recipe discovery, and shopping list generation based on available ingredients. The app serves home cooks and meal planners seeking to streamline their cooking process.

1 investor

Sticker builds reinforcement learning training environments for AI agents focused on commerce and procurement transactions.

1 investor

Stillwind develops an AI-powered search engine that converts natural language queries into electronic component specifications, matching them against a proprietary database of millions of parts. The company is building toward a broader platform for autonomous electrical engineering, targeting embedded systems engineers and hardware developers.

1 investor

Stirling builds technical infrastructure that reimagines PDF processing, allowing documents to be connected, processed, and routed across multiple sources and destinations at scale.

1 investor

Stirling PDF is an open-source PDF processing platform that provides editing, classification, and automation tools for individual and enterprise-scale document workflows. It offers private, on-premise deployment options and is trusted by 75% of the Fortune 500.

1 investor

1 investor

Store.app is a platform for developers to list and distribute their applications, emphasizing openness and developer choice.

1 investor

Storia AI develops an open-source AI agent that helps software developers understand and modify code within their organization's codebase and its operational context. The tool uses retrieval-augmented generation grounded in documentation and external references to answer developer questions about architecture decisions and code integration without generating false information.

1 investor

Stottler Henke develops AI-based software solutions for complex problem-solving, scheduling, training simulations, intrusion detection, and data visualization, serving defense, aerospace, and government agencies.

1 investor

Straion is a system for engineering teams that centralizes architecture rules, security policies, and coding standards and automatically delivers the relevant ones to developers' AI coding agents, validating proposed task plans against them before code is written. Rules live in the team's own Git as versioned files reviewed like code, and it integrates with Claude Code, GitHub Copilot, and Cursor; it targets lead developers at teams of 100+.</parameter> <parameter name="founders">

1 investor

Xertra builds blockchain infrastructure and services for gaming and decentralized finance, offering a unified ecosystem that connects developers, gamers, and creators on Web3. The platform simplifies blockchain interaction through products like identity management, gasless transactions, compliant payments, scalable infrastructure, and NFT marketplaces.

1 investor