Developer Tools Startups

Orca is an agent development environment (ADE) that runs multiple AI code agents (Claude Code, Codex, OpenCode, Grok) side by side in isolated worktrees with built-in terminals, file editor, and git tracking for software developers. It includes a mobile companion app for iOS and Android to manage agent work remotely.

1 investor

Stack Internal is a knowledge management platform that captures, structures, and validates enterprise knowledge to provide trusted context for AI agents and human teams. It integrates with multiple tools to centralize scattered documentation and decisions while maintaining governance, security, and trust signals for access control.

1 investor

StackAI is a platform for building and orchestrating AI agents with enterprise-grade security and governance controls. It enables organizations to convert business processes into autonomous agents that integrate with existing systems, with features including human oversight, compliance certifications (HIPAA, GDPR, SOC 2), and deployment flexibility.

1 investor

Stackbit provides a platform for building and running AI-powered features, letting product teams prototype with agents while engineers deploy production backend logic. It offers model access, agent tooling, and serverless functions on a single gateway for software development teams.

1 investor

StackMachine is a platform that runs application code (Node.js, Python, PHP, Go, and more) in secure WebAssembly sandboxes with sub-5ms cold starts, designed for teams hosting production apps, AI agents, and user-submitted code at scale.

1 investor

1 investor

Stacksync provides real-time, two-way data synchronization and automation between business systems such as Salesforce, HubSpot, Outreach, Marketo, NetSuite, and data warehouses like Snowflake and BigQuery. It targets RevOps teams, offering pre-built connectors, SQL-triggered workflows, and an MCP layer to expose enterprise systems to AI agents.

1 investor

Stacksync is a real-time data integration platform that syncs CRM, marketing automation, sales engagement, finance, and data warehouse systems in two-way, bidirectional workflows for revenue operations teams. It replaces reverse-ETL tools and manual reconciliation with pre-built connectors and SQL-driven automation for platforms like Salesforce, HubSpot, Outreach, and NetSuite.

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

Stamplay is a UK company offering a cloud platform for connecting APIs and automating business processes. Users assemble workflows that pass data between systems used by support, sales, marketing, HR, finance and operations teams, building web applications without writing back-end code.

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

Stark provides an end-to-end accessibility platform with integrated tools for design, development, and compliance that helps teams find and fix accessibility issues from initial design through live product. The platform serves designers, developers, product managers, and accessibility experts across multiple industries through integrations with tools like Figma, Sketch, GitHub, and web browsers.

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

Start9 promotes decentralized personal computing that gives individuals control over their own data and communications, aiming to remove trusted third parties from the human/computer relationship. Its focus areas include privacy, encryption, and open decentralized network protocols such as the Internet and Bitcoin.

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

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

Steel offers an open-source browser API that lets developers run and control fleets of cloud-based browsers for automation, including features like session management, CAPTCHA solving, proxies, and session observability. It targets developers building AI agents, web scraping jobs, RPA, and model-training data pipelines, with support for Puppeteer, Playwright, and Selenium.

1 investor

Stelia provides operational infrastructure and orchestration tools for deploying and managing production-grade AI systems across enterprise and complex environments.

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