Developer Tools Startups

Actyx builds protocols, tools, and services aimed at improving the resilience of technical systems.

1 investor

Acunote is a software company based in San Francisco.

1 investor

AdaCore develops open-source toolchains and verification tools for Ada/SPARK, C/C++, and Rust used to build safety-critical and mission-critical embedded software. Its customers span aerospace, defense, rail, automotive, energy, telecoms, finance, and medical industries, with the tools designed to meet certification standards.

1 investor

Adadot provides an analytics platform for engineering teams that benchmarks developer and team data against large developer datasets and pulls signals from communication channels to assess collaboration health, workload, and delivery predictability. Described as a "fitness tracker for developers," it serves both engineering leaders and individual developers.

1 investor

Adapta Robotics designs and manufactures custom robots from the ground up, including MATT (a mobile testing robot), ERIS (a retail inventory scanner), and MATT Adapt (a robot with a robotic arm), serving industries such as automotive, gaming, manufacturing, aerospace, and retail. The company focuses on creating robots tailored to specific customer needs and automation challenges.

1 investor

Adapter provides a cognition API that builds a continuously updated knowledge graph from a company's connected data sources, extracting entities, relationships, and identities so AI models and agents can answer questions grounded in that data. It serves developers and organizations building or improving AI products that need real-time context and memory over their own data.

1 investor

Addis Software is a custom software development firm that builds tailored web and application solutions for businesses seeking digital transformation and operational optimization. The company serves clients across Europe and Africa, with a focus on creating scalable systems and e-commerce platforms.

1 investor

Addovation provides ERP add-ons, consulting, integrations, and support services to help businesses optimize their processes. The company serves customers across the Nordic region and beyond, with a focus on delivering tailored solutions and long-term partnerships.

1 investor

Aden provides infrastructure for autonomous AI agents, including hypervisor, persistent memory, and secure virtual environments designed to execute business processes at scale. The platform serves enterprises running autonomous digital labor workflows across hybrid and multi-cloud environments.

1 investor

Adesso Systems maintains a technical archive documenting enterprise mobility patterns, rapid application development, and offline-first systems from the Microsoft .NET mobile era. The archive serves architects, researchers, and technical leads analyzing distributed application design choices across field service, retail, medical, and other enterprise workflows.

1 investor

AdminKit is a Bootstrap 5 and HTML5 admin dashboard template offering 45+ pre-built pages and 500+ customizable UI components for developers building web apps. It targets developers at SaaS and enterprise businesses looking to reduce design and development time.

1 investor

Adovate is a life science company developing a pipeline of adenosine analog compounds, with research and laboratory work focused on medicinal chemistry and pharmaceutical development. It operates in the biotech and pharmaceutical industry.

1 investor

Adri is an AI agent that writes, tests, and deploys custom code for SAP systems (ECC, S/4HANA, BTP). It scans 50M+ objects in customer systems to find existing solutions, generates configuration guides, writes code using released APIs, and creates transport requests ready for production.

1 investor

Aegeantic builds AI-powered agents, digital platforms, and enterprise system integrations designed to run on-premise for secure data control. The company serves businesses seeking intelligent automation and scalable digital ecosystems with a focus on data sovereignty and operational transformation.

1 investor

Pentagon is a workspace platform that enables AI agents to communicate, coordinate, and collaborate as a team to complete work. The product serves organizations deploying multiple AI agents that need structured coordination, task management, and human oversight capabilities.

1 investor

A digital agency that provides web design and development services for clients seeking to build digital experiences.

1 investor

Agemo is an AI software development and research company whose flagship product, CodeWords, is an automation platform that turns natural language into automations and AI agents, and lets users generate interfaces to extend builds into tools, apps, or SaaS products.

1 investor

Agent 37 provides persistent, pre-configured sandboxes for running AI agents such as Claude Code and Hermes, retaining files, code, and settings between sessions. It offers usage-based compute billing, single-command backend setup, and connections to tools like Slack, Gmail, and GitHub for developers deploying autonomous agents.

1 investor

AgentField builds infrastructure for an autonomous agent-driven internet where software systems operate with autonomy to negotiate and complete tasks. The company focuses on foundational architecture for safe and predictable agent ecosystems.

1 investor

AgentHub provides a staging environment for developers building AI agents, letting teams simulate, trace, and evaluate agent behavior through curated and synthetic test cases. It surfaces actionable insights for debugging and iteration, including an AI copilot that analyzes traces and answers questions grounded in the user's code and data.

1 investor

AgentMuxer operates a directory/marketplace of API offerings that AI agents can call, listing providers across categories like finance, web search, scraping, and enrichment with per-call pricing over the x402 payment protocol. It indexes and verifies API endpoints, exposing usage tiers and cost per call for programmatic access.

1 investor

AgentOps is a developer platform for building, tracing, debugging, and monitoring AI agents and LLM applications, with observability support for OpenAI, CrewAI, Autogen, and 400+ LLMs and frameworks. It offers session replay, cost tracking, log retention, and monitoring tools for engineers building AI agents.

1 investor

AgentQL provides a suite of developer tools—including a query language, parser, Python/JavaScript SDKs, a REST API, and a browser debugger extension—for connecting LLMs and AI agents to web pages to extract structured data and automate interactions. It uses AI to analyze page structure as an alternative to fragile XPath and CSS selectors, and targets developers building web agents, data workflows, and automation pipelines.

1 investor

AgentWeb is a network-level web action layer that lets AI agents call typed, verified actions on real websites—such as ordering, booking, form submission, and checkout—through maintained Action Maps, MCP, and an API. It serves as an alternative to browser automation, returning structured results and a verification receipt for each executed action.

1 investor