Developer Tools Startups
5,798 companies tagged Developer Tools, with their investors and founders.
Canvas builds a continual-improvement system for organizations deploying AI agents in production, automating the feedback loop that learns from agent behavior, proposes updates, and applies improvements to enterprise workflows including sales and account management.
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
Para simplifies blockchain interaction for developers and users through tools and services. The company is composed of crypto and fintech operators with experience building wallets, protocols, and financial products.
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
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
Cartesi develops application-specific rollups for decentralized computation in the Web3 ecosystem, enabling builders to leverage traditional development tools for blockchain applications.
2 investors
Caution is a verifiable confidential compute platform that deploys sensitive workloads to secure enclaves and provides cryptographic proof that production code matches the reviewed source, build, and configuration. It currently runs on AWS Nitro Enclaves and serves high-assurance workloads such as AI model serving, healthcare data, key management, and blockchain node operation.
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
Center was a crypto developer-tools business that provided APIs (including an NFT rendering API) aggregating on-chain data from EVM blockchains, marketed via a consumer website at center.app. The company has since shut down its crypto devtools operation and is pivoting to a new venture (devtee.com).
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
Cesium is an open developer platform for building software applications with 3D geospatial data, providing visualization, data pipelines, curated data, and analytics. It includes a rendering engine and an implementation of 3D Tiles for streaming large datasets, serving developers across industries including government agencies and the U.S. Department of Defense.
2 investors
Chariz operates a distribution platform for iOS jailbreak tweaks, add-ons, and apps not available through the App Store, letting users customize and extend iPhone, iPad, and iPod touch devices. It serves the jailbreaking community with tools for device customization and access to the underlying operating system.
2 investors
Charlie Labs builds "daemons" — always-on AI processes defined in Markdown files that work proactively across tools like Slack, Linear, and GitHub to handle recurring maintenance work such as PR review, issue labeling, dependency updates, and documentation upkeep. It is aimed at software development teams looking to automate background engineering and project-management tasks.
2 investors
Chassy provides a software platform for testing, deploying, and monitoring AI models and software on edge hardware devices ranging from robots and drones to microcontrollers. The platform serves hardware and robotics companies with tools for model deployment, fleet management, secure inference at the edge, and autonomous testing.
2 investors
ChatSee provides infrastructure for monitoring, governing, and controlling autonomous AI agent behavior in production environments, addressing the gap between traditional software observability and the needs of enterprise AI systems.
2 investors
CheckiO develops game-based coding challenges for Python and TypeScript learners, with platforms at py.checkio.org and js.checkio.org, plus a space strategy game called Empire of Code. The platform serves individual coders improving their skills and educational institutions using CheckiO in classrooms.
2 investors
Project Chiron provides active, experimental math education for students. The company was founded by Oxford math graduates who believe math learning should be hands-on and exploratory rather than lecture-based.
2 investors
Chkk provides a platform for managing Kubernetes upgrades and lifecycle operations, automating risk assessments, version tracking, and add-on compatibility management. It targets platform and DevOps engineering teams running Kubernetes across clouds such as EKS, GKE, and AKS, helping them reduce upgrade costs and prevent breakages.
2 investors
Chromatic is a platform built on Storybook that runs visual, interaction, and accessibility tests to catch UI issues before release and enforce UI standards across teams. It centralizes components, stories, tests, and documentation in a shared workspace and integrates with CI/CD pipelines for development teams shipping web UI.
2 investors
ChromaWay is a blockchain technology company that builds Web3 infrastructure for businesses and projects. It operates globally with a distributed team across more than 15 countries.
2 investors
Chronicle uses production data to generate test scenarios and evaluate AI agents before deployment, helping businesses verify agent readiness and reduce critical failures. The platform serves teams building and deploying AI agents.
2 investors
Ciklum is a global product engineering and digital services company that combines software development, human-centered design, and applied AI to build digital products for clients. It serves fintech, retail, healthcare, and hi-tech industries, operating with engineers across EMEA, the US, and APAC.
2 investors
Ciphero provides a deterministic security layer that lets security teams observe, audit, and verify AI interactions across models, agents, and machines. Its engine combines proprietary verifiers (for prompt injection, malicious commands, secrets, and PII) with plain-English policies to inspect AI inputs, outputs, commands, and tool calls, and produce compliance-ready audit trails; its Orpheus product runs on endpoints to verify actions taken by coding agents like Claude Code, Codex, and Cursor.
2 investors
CircuitLab provides an online circuit simulator and electronic schematic editor for electrical engineers, students, and electronics hobbyists to design, analyze, build, and share electronic circuits.
2 investors
















