Developer Tools Startups
4,617 companies tagged Developer Tools, with their investors and founders.
Hybrid is a platform for building custom AI agents and running AI on-chain, offering a Web3 copilot called Atlas for on- and off-chain data insights, along with a mixture-of-experts framework and decentralized storage. It targets Web3 developers and users working with blockchain data.
2 investors
Bun is a JavaScript and TypeScript toolkit that includes a runtime, bundler, test runner, and package manager designed to be compatible with Node.js projects. It can be adopted incrementally as individual tools or as a complete stack.
2 investors
Burner is a second phone number app that lets users create additional phone numbers for calls, texts, and picture messaging to manage privacy, organize contacts, and maintain anonymity. The service targets individual consumers seeking to protect their primary phone number and control who can reach them.
2 investors
Buzzle analyzes recorded sales and customer success calls to extract trends and metrics that inform product marketing, competitive positioning, and feature demand assessment. The platform automatically identifies customer pain points and market signals from a company's call library.
2 investors
2 investors
Bytebot is an open-source AI desktop agent that operates in a containerized Linux environment to complete computer tasks via screen interaction, mouse, and keyboard—automating workflows across multiple applications and websites at scale. It serves enterprises and teams needing to automate repetitive work such as data entry, document processing, and multi-system workflows without coding.
2 investors
Cadstrom provides automated schematic and PCB validation software that catches design errors traditional ERC flows and manual reviews miss, producing structured validation reports before boards go to fabrication. It serves hardware and electrical engineering teams looking to reduce respins, project cost, and schedule delays.
2 investors
Cake is a fully managed, modular AI infrastructure platform that helps teams build and deploy AI-powered applications using open source tools with built-in security and compliance. The platform serves development teams looking to accelerate time-to-market for LLM-powered apps and ML pipelines.
2 investors
CalcTree is a no/low-code platform that automates calculation and workflow tasks for engineers, reducing time spent rebuilding calculations and managing data. It serves engineers in the construction and infrastructure sectors to support design and collaboration.
2 investors
Caligra is a computer hardware company designing devices for technical professionals including scientists, artists, engineers, and designers to support creative and technical work.
2 investors
Canary is an AI-powered testing platform that automatically generates and executes comprehensive test cases across an application's user journey for development teams. It supports flexible deployment options including cloud, self-hosted, and on-premises configurations.
2 investors
Candu is a no-code UX editor that lets product and growth teams build, launch, and A/B test in-app content such as onboarding flows, banners, and product tours using a drag-and-drop editor and a JavaScript snippet. It serves SaaS product teams looking to create and personalize in-product user experiences without engineering time.
2 investors
Capacitive provides a data access layer that connects AI agents to internal company information, offering role-based access controls and security monitoring across multiple platforms.
2 investors
Capy is a development environment that orchestrates multiple AI agents working in parallel to write and ship software. It allows developers to assign tasks to AI agents rather than writing code line-by-line, with support for different AI models optimized for different tasks.
2 investors
Cardano is a proof-of-stake blockchain platform built on peer-reviewed research and its Ouroboros protocol, supporting decentralized applications, payments, and on-chain governance. It provides infrastructure for developers and organizations building secure, scalable, and sustainable decentralized systems.
2 investors
Cardinal integrates customer feedback, CRM data, and task management systems to use machine learning for prioritizing product features based on customer demand, impact, and revenue potential.
2 investors
Cartridge provides infrastructure for onchain games, including a game-native wallet and identity system (Cartridge Controller) and a deterministic onchain game engine (Dojo Engine). It offers regulatory-compliant real-money reward functions that use verifiable randomness, and lets players earn, buy, and trade in-game assets, targeting game studios building onchain economies.
2 investors
Cased uses AI to automate cloud infrastructure management, letting developers describe what they want to deploy and where while the tool handles tools like Terraform, Kubernetes, Docker, and AWS. It targets development teams that lack dedicated infrastructure specialists.
2 investors
Catio (Archie AI) provides an "Architecture IDE" that turns business goals and constraints into system-aligned architecture decisions, plans, and execution-ready specs, grounded in a team's live system. It helps software and infrastructure engineering teams make modernization and design decisions, detect architecture drift, and keep systems aligned as they evolve.
2 investors
Causely provides autonomous reliability and troubleshooting software for cloud-native environments, helping engineering teams prevent incidents and reduce mean time to resolution. The platform applies causal analysis to distributed systems to enable proactive incident prevention rather than reactive troubleshooting.
2 investors
Cekura provides testing, monitoring, and optimization tools for voice and chat AI agents. The platform enables developers to simulate scenarios, run evaluations before production, replay real conversations, and continuously improve agents through voice observability and analytics.
2 investors
Centauri AI builds an AI-powered document processing platform that extracts, enriches, and automates data from institutional documents (PDFs, agreements, pitchbooks) for financial services firms. The system routes documents through domain-aware agents that parse, validate, and deliver structured output with full source tracing for underwriting, portfolio monitoring, and compliance workflows.
2 investors
Cephable builds cross-platform desktop and mobile software plus a developer SDK that lets people control digital tools through voice, face, head, and button-based input, with on-device generative AI for tasks like content creation and translation. It is used by individuals, teams, students, educators, developers, and enterprises for accessible and adaptive productivity across any software.
2 investors
Chakra Labs develops high-fidelity simulation environments and research infrastructure for training and evaluating frontier AI models on computer use tasks. The platform provides containerized reinforcement learning environments designed for autonomous agent research, with support for both GUI and programmatic interactions.
2 investors