Developer Tools Startups
5,798 companies tagged Developer Tools, with their investors and founders.
Findy Inc. runs a set of services for software engineers and engineering organizations, including a job-matching service for engineers, a freelance/side-job matching service, and a SaaS product for measuring and supporting engineering team performance. Based in Tokyo, Japan, the company has expanded to markets including South Korea, Taiwan, and India.
6 investors
Monstarlab is a global digital strategy and transformation partner that builds custom development teams of engineers and designers to help clients pursue business transformation using AI and digital technologies. It operates across 12 countries and regions and has evolved from a product development agency into a broader consulting and transformation services provider.
6 investors
100ms provides infrastructure for live video and real-time interactions, enabling companies in healthcare, commerce, education, and events to integrate video experiences with minimal development effort.
5 investors
Red Hat 3scale API Management is a platform for managing APIs, offering traffic control, security, access policy enforcement, analytics, and monetization. It supports deployment on-premise, in the cloud, or hybrid, integrates with OpenShift, and is part of the Red Hat Integration product group for enterprises.
5 investors
a0.dev provides a platform that generates React Native projects to accelerate mobile app development for developers. The service aims to reduce typical development timelines by automating project scaffolding and boilerplate code generation.
5 investors
AccessGrid provides an API that lets organizations issue and manage digital credentials—such as corporate IDs, house keys, and car keys—stored in users' phone digital wallets instead of physical badges or fobs. It targets companies needing secure access control and identity management.
5 investors
Adam is an AI agent that connects to CAD software, PLM systems, and supplier tools to automate hardware engineering workflows like BOM management, design reviews, sourcing, and RFQ generation. It serves hardware engineering teams and operates across Onshape, SolidWorks, Fusion, and other existing tools without requiring data migration.
5 investors
Adaptive builds Exo, a runtime security layer for AI agents that authenticates each agent, isolates sessions in ephemeral sandboxed environments, enforces per-tool authorization guardrails, and logs all actions without exposing secrets. It targets organizations running AI agent fleets in production infrastructure.
5 investors
Adaptive provides a cloud cost optimization platform that detects, remediates, and prevents "shadow waste" and inefficiencies across multi-cloud, Kubernetes, AI platforms, data cloud, and code. It uses Cloud-to-Code technology, automated pull requests, a runtime sensor, and agentic remediation to govern spending, including LLM, ML, and GPU costs, for engineering teams.
5 investors
Adora provides product teams with real-time visibility into user experience through a visual analytics platform. The company helps teams at scale—including Canva, Notion, and Linktree—understand and improve their product journeys.
5 investors
AgileRL develops an open-source reinforcement learning framework for training and tuning AI agents faster than existing RL libraries, along with Arena, an enterprise platform that converts raw data into production-ready agents. It works with companies in industries such as finance, defence, and technology.
5 investors
ai-coustics provides an audio reliability layer with speech technology such as Voice Focus, which removes background noise and other voices to improve transcription accuracy and keep voice agents responsive in noisy environments. It offers an SDK with real-time, low-latency inference for developers building voice applications across STT, TTS, and LLM stacks.
5 investors
AI Fund is a venture studio led by AI pioneers, operators, founders, and investors that helps founders build and scale AI companies. It operates as an investment and company-building organization in the artificial intelligence space.
5 investors
Aikido provides integrations that deliver notifications from its security platform directly into team messaging applications.
5 investors
Akuity offers an enterprise software delivery platform built on the open-source Argo CD and Kargo projects, providing GitOps-based continuous deployment, policy-driven environment promotion, and AI-driven operations across Kubernetes, VMs, and cloud environments. It serves platform teams and SREs at startups and enterprises managing application delivery at scale.
5 investors
Alokai develops frontend software for ecommerce retailers to build fast, modern online storefronts using composable commerce and headless architecture. The platform provides ready-made components, integrations, and services that developers can use individually or together throughout the frontend development lifecycle.
5 investors
An open-source design editor that allows developers and AI coding agents to collaborate on creating, modifying, and deploying UI components in real time, with changes directly converted to production code.
5 investors
Anvil provides software for collecting and sharing information through digital workflows, replacing manual paperwork-based processes. The platform serves organizations that need to streamline document and data collection across hiring, real estate, voting, and other business processes.
5 investors
A platform that converts text into mobile apps, websites, tools, and products using code generation and integrations including GPT-5 and 40+ third-party services.
5 investors
Apex.AI develops safety-certified, scalable software for mobility systems, including its Apex.OS product (with Apex.Grace runtime SDK and Apex.Ida communication middleware) to help build software-defined vehicles. Its tools serve developers across the automotive, agriculture, medical, and defense industries.
5 investors
Apiary provides API design and documentation tools with team collaboration features, enabling development teams to manage API blueprints through a centralized dashboard with role-based access control and project management capabilities.
5 investors
Applitools provides a visual testing platform that uses AI to automatically validate user interfaces and catch visual defects across browsers and devices. The platform serves QA and testing teams who integrate it into their existing testing frameworks and CI/CD workflows.
5 investors
Appwrite provides a backend development platform that abstracts technical complexity for developers, offering integrated solutions for building applications from ideation to scale. The platform is designed for software developers and built with open-source community input.
5 investors
Argilla develops open-source, data-centric software for building and improving AI and NLP models, with a focus on human feedback and data quality. It targets machine learning teams and developers working on natural language processing applications.
5 investors


















