Developer Tools Startups

Arroyo builds a stream processing engine designed for cloud environments and ease of use, enabling real-time data processing for companies building real-time applications. The platform serves organizations needing to process data with low latency without the need for specialized streaming infrastructure teams.

1 investor

Art-net provides cloud-based business process improvement and automation solutions, including no-code development tools, workforce management systems, and RPA software for enterprises and public sector organizations in Japan.

1 investor

Art of X builds Minds, a platform that simulates audiences for product and research teams to gather feedback and validate decisions without conducting traditional user research at scale. The service targets product managers, designers, and researchers who need rapid feedback validation while maintaining research quality standards.

1 investor

Artifakt is a cloud platform that lets developers deploy, host, and manage web applications on scalable, resilient cloud infrastructure. It serves developers, enterprises, and agencies, with managed hosting for frameworks and commerce platforms such as Akeneo, Magento, Sylius, Symfony, and WordPress.

1 investor

Fira is an AI-powered financial research platform that helps analysts and investors query and analyze complex financial documents, SEC filings, and internal data. The platform enables users to conduct comparative valuation analysis, reconcile financial statements, and generate cited answers across hundreds of documents for finance professionals.

1 investor

Artillery is a performance testing toolkit that provides load testing, Playwright-based end-to-end testing, and production monitoring capabilities for web applications and APIs. It serves development and DevOps teams that need to ensure application performance and reliability at scale.

1 investor

Artiphishell develops AI-driven security tooling that uses LLMs to automatically find, analyze, and patch software vulnerabilities, drawing on techniques such as guided fuzzing, symbolic execution, and binary analysis. The product is built from research the founding team ran during DARPA's AI Cyber Challenge.

1 investor

Artistanbul provides custom software development for organizations, including native and web-based mobile applications, along with business development, community management, and educational technology services. It builds Learning Management Systems (LMS) and innovative curricula for educational institutions.

1 investor

Asayer (OpenReplay) offers session replay and product analytics software that lets teams record and watch how users interact with their web apps to spot friction points, errors, and drop-offs. It includes co-browsing for live user support, developer tools for reproducing and fixing bugs, and a self-hosted deployment option for full control over customer data.

1 investor

Aserto provides a fine-grained, resource-level authorization platform that developers integrate into applications via SDKs, middleware, and gRPC/REST APIs, with a central control plane and local authorizers for real-time access decisions. It offers audit trails and compliance support, and is built on open-source foundations including the Topaz authorizer, Open Policy Agent, and a Google Zanzibar-inspired directory.

1 investor

ashr provides testing and evaluation infrastructure for AI agents, allowing developers to run tests, catch failures, and debug agent behavior before production deployment. The platform offers real-time tracing, prompt versioning, and automated failure detection for teams building autonomous agents.

1 investor

Kim is a no-code document generation and workflow automation platform that converts existing letters, forms, contracts, and compliance records into web applications for self-service data capture and document generation. The platform serves legal, contracting, compliance, and knowledge worker functions across financial services, pharma, technology, and professional services organizations.

1 investor

Dragonfly provides a platform that helps businesses make data-driven software purchasing decisions by offering transparent, unbiased information about tools and vendors. The platform cuts through vendor bias and marketing noise to enable companies to build the right technology stack for their needs.

1 investor

Aspect provides tools for building and publishing user interfaces quickly, aimed at software developers. It operates in the developer tools and SaaS category.

1 investor

Aspire Systems is a global technology services firm that partners with enterprises and software vendors to leverage technology outsourcing and software services. The company serves clients across software, banking, insurance, retail, and public sector verticals with AI-powered technology solutions and domain expertise.

1 investor

Assembla provides code collaboration and project management tools for development teams to coordinate work, manage code, and collaborate on projects. The company is now part of Idera, Inc., a portfolio of developer-focused software productivity platforms serving over 50,000 customers globally.

1 investor

AssembleAI provides AI-driven autonomous testing for embedded systems hardware, automatically generating test cases from engineering specifications and running them on lab instruments to identify and verify fixes for firmware and hardware issues. The platform integrates with existing development tools and lab equipment, targeting hardware engineering teams.

1 investor

Assembly Payments offers an API-powered platform for businesses to create and manage end-to-end payment flows, including collection, disbursement, automated reconciliation via virtual accounts, and embedded payments. The platform includes bank-grade security, built-in fraud checks, and PCI DSS compliance.

1 investor

Asserto is a framework-agnostic testing platform for developing and iterating on AI prompts, with support for agentic workflows, function calls, and structured outputs. It lets developers set up automated testing and validation (including JSONPath assertions) and compare model performance across providers like OpenAI, Anthropic, and Google.

1 investor

The Association for Information Systems is a professional membership organization that advances knowledge and promotes excellence in information systems research, teaching, practice, and study globally.

1 investor

Asteria Corporation develops and sells enterprise software focused on data connectivity and integration. Publicly listed in Japan, the company operates offices across Japan and international subsidiaries in Singapore, China, and the United States.

1 investor

Asterizm is a blockchain infrastructure platform that enables secure cross-chain smart contract transactions across multiple blockchain networks. The platform provides tools for developers to implement interoperable decentralized applications with built-in security validation mechanisms.

1 investor

AstraKode Blockchain is a low-code platform that enables businesses to develop blockchain-based solutions using drag-and-drop tools and pre-built components, supporting Hyperledger Fabric and Solidity technologies. The platform serves enterprises seeking to build trustless blockchain applications without extensive coding expertise.

1 investor

Astro is an open-source web framework for building content-driven websites such as marketing sites, blogs, and e-commerce stores, using island architecture to render components on the server and ship minimal JavaScript. It supports major UI frameworks, integrations, and one-line deployment to hosts like Netlify, Vercel, and AWS.

1 investor