Developer Tools Startups
5,798 companies tagged Developer Tools, with their investors and founders.
Archbee is a documentation and knowledge portal platform that enables teams to create, organize, and share technical documentation with customers and internal users. It provides API documentation, in-app guides, FAQs, and knowledge bases with features like AI-powered search, SEO optimization, and integration capabilities.
2 investors
Archblock describes itself as a company working to open access to financial opportunities and global trade. The page provides only mission and culture statements, with no concrete detail on its products or services.
2 investors
Ardent provides instant, production-grade database clones that load in seconds and scale efficiently, enabling AI agents and developers to test database code and solve data problems without risk to production. The platform is designed for data teams running AI workloads at scale.
2 investors
Argus Labs builds infrastructure for open, interoperable massively multiplayer online games using distributed systems and protocol engineering. The company aims to enable game worlds to operate on shared protocols rather than proprietary, siloed systems.
2 investors
Aries offers a trading platform where users can trade individual stocks, ETFs, options, and index options in a single application.
2 investors
Ark Labs builds programmable finance infrastructure on Bitcoin, enabling faster settlement and global transactions. The company provides digital products and tools for developers to build applications on the Bitcoin network.
2 investors
Armature captures and analyzes user sessions with AI agents, showing what users ask, how agents respond, and identifying use cases and failures. The platform helps product teams understand agent behavior and fix issues through session replay and analysis.
2 investors
ARMO provides a runtime behavioral Cloud Application Detection and Response (CADR) platform that protects cloud applications against zero-day and ongoing threats across the cloud technology stack. It offers explainable and traceable runtime security for cloud-native environments.
2 investors
Artboard Studio is an online mockup generator and editor that allows designers to apply images and videos to over 5,000 realistic mockups across devices, apparel, packaging, print, and branding categories. The tool offers browser-based editing, Figma and Adobe Express plugins, video mockup support, and AI-powered mockup generation for portfolios, case studies, and client presentations.
2 investors
Arvo AI builds Aurora, an open-source (Apache 2.0) AI agentic tool for incident management and root cause analysis aimed at Site Reliability Engineers. It uses LangGraph-orchestrated LLM agents to autonomously investigate cloud incidents across AWS, Azure, GCP, OVH, Scaleway, and Kubernetes, integrating with monitoring and collaboration tools like PagerDuty, Datadog, and Slack.
2 investors
Aspect is a unified media storage and collaboration platform that combines file storage, video streaming, and AI-powered automation for creative teams. It allows teams to upload, collaborate, review, and stream media files like a local network drive while automating media workflows with artificial intelligence.
2 investors
Assemble provides a platform for managing changes across enterprise systems, allowing developers to scope dependencies, modify logic, and validate changes across multiple platforms from a single interface.
2 investors
Asserts provides monitoring and observability software for distributed cloud applications, enabling engineering teams to define runtime assertions and manage monitoring as code rather than through disjointed dashboards and alerts.
2 investors
Assistiv Labs provides browser-based tools that let web developers, QA engineers, designers, and accessibility specialists test their products on real assistive technologies (such as screen readers) across platforms. It serves teams working on web accessibility and inclusive design.
2 investors
Astadia helps organizations migrate mainframe workloads to modern computing platforms through legacy modernization and managed services.
2 investors
Winfunc is an autonomous application security platform that connects to GitHub repositories to run static analysis (SAST), software composition analysis (SCA), AI triage, and automated remediation, delivering audits with executable proof-of-concepts and fixes as pull requests. It targets enterprise engineering and security teams and supports major programming languages for codebase-wide vulnerability detection.
2 investors
Astral builds high-performance developer tools for the Python ecosystem, including Ruff (a fast Python linter) and uv (a fast Python package manager), both written in Rust. The company aims to increase productivity across the Python development community.
2 investors
Astronome AI provides an AI-powered platform for IT management that automates tasks like device onboarding, management, and security while delivering infrastructure insights. The platform is designed for businesses of all sizes seeking to reduce IT complexity and operational overhead.
2 investors
2 investors
Asya.AI is an AI research and software development company that creates products designed to augment human capabilities while maintaining user control. The company serves clients across multiple sectors through research-driven product development and design services.
2 investors
Atexto provides audio-to-text transcription services through an online platform. Customers upload recordings, organize them into projects or folders, monitor transcription progress and download completed transcripts; the output is also used as training and test data for speech recognition systems. Its clients include companies with recurring transcription needs and teams developing voice technology.
2 investors
Athanor builds Kairos, a verification engine for hardware and software that uses formal tools to prove or refute equivalence for RTL optimizations, carrying machine-checked proof and measured area reductions. It also maintains Pythia, an open-source Lean 4 tactic library for theorem proving, serving engineering teams that require formally verified computational claims.
2 investors
Athenian provides metrics and insights for software engineering teams, offering a software development analytics product covering the full development cycle. It integrates with source code platforms such as GitHub to track engineering performance.
2 investors
Athina is a platform for monitoring, tracing, and evaluating LLM-based AI applications, enabling teams to run experiments, manage prompts and flows, and configure automated or human evaluations. It serves both technical and non-technical members of AI development teams, with options for self-hosted deployment and fine-grained access controls.
2 investors














