Developer Tools Startups

CTO.ai builds a developer operations platform that measures and improves developer productivity through workflow intelligence and KPI tracking. The platform helps software development teams and their companies understand and optimize engineering workflows to reduce productivity losses.

1 investor

CtrlB provides a high-performance log-search and observability platform, using a distributed query engine with Parquet ingestion, indexing, and parallel execution over object storage. It offers OpenTelemetry-native logs, traces, and metrics with fast point search for engineering teams handling observability and security at scale.

1 investor

Cua builds open-source, self-hostable infrastructure for computer-use AI agents, giving them full desktop environments on Linux, Windows, macOS, and Android. Its products include Lume (local macOS VMs on Apple Silicon) and Cua Cloud, which provides cloud desktop sandboxes powered by a patented virtualization stack.

1 investor

Cubyts provides software governance and engineering context management platform that connects requirements, architecture, code, and delivery activity to continuously detect drift, identify risk, and maintain traceability across software development teams. The platform enables continuous governance through specialized agents that monitor and guide development work in progress, rather than through traditional post-event reviews and checkpoints.

1 investor

Cumulus Labs provides an inference platform that consolidates production AI infrastructure (routing, caching, observability, evaluation, fine-tuning, and runtime) into a single API. The platform serves AI teams building production applications across any model provider or framework.

1 investor

Currents is a dashboard, reporter, and test orchestrator focused on Playwright, used to debug, monitor, and speed up Playwright tests in CI. It targets software development and QA teams, offering features like rule-based automation, integrations (GitHub, Slack, Jira), crash-resilient reporting, smart test orchestration, and an MCP server for AI agents.

1 investor

Curvenote builds an open-core platform for sharing and publishing scientific research with dynamic, interactive content rather than static PDFs, enabling researchers to preserve code, data, and reproducibility in their published work. The platform serves academic and research institutions globally and contributes to open-source science communities.

1 investor

Botium is an AI bot validation platform that tests AI agents, chatbots, and NLU systems across voice and chat channels before deployment. It enables organizations to accelerate testing lifecycles and catch issues early through automated testing, prompt validation, and real-world scenario simulation.

1 investor

Cybeats is a software supply chain security company that provides an SBOM (Software Bill of Materials) management platform for organizations to track software components, automate vulnerability lifecycle management, and prioritize security remediation. It serves enterprises and manufacturers, including those in regulated industries such as medical devices, needing software transparency and compliance.

1 investor

Cyberdesk provides a developer toolkit for automating desktop applications, particularly legacy systems like EHRs and ERPs, serving developers in healthcare, finance, logistics, and related sectors.

1 investor

CyberHive provides secure communication and zero-trust connectivity solutions designed for defense, military, and other mission-critical operations across constrained or contested environments. The platform delivers resilient data transmission with post-quantum security for use cases including battlefield operations, offshore platforms, emergency services, and remote infrastructure.

1 investor

CyberPanel is a free, open-source cloud infrastructure platform that provides hosting, email, DNS, cloud servers, VPN, and security scanning capabilities for engineers and hosting providers. Built by developers who run the software in production, it evolved from a control panel for OpenLiteSpeed into a complete infrastructure solution.

1 investor

Cyberwave provides an infrastructure platform that abstracts robots, sensors, and autonomous systems behind universal APIs, with digital twins for simulation and orchestration tools to deploy and manage device fleets through code. It serves developers and enterprises building on physical systems across robotics, autonomous navigation, sensor fusion, and edge AI.

1 investor

Cytal presents information about its investors on this page. The page itself does not describe what Cytal builds or the market it serves.

1 investor

D5 Render is a real-time rendering tool designed to simplify design workflows for architects and design teams. It provides photorealistic visualization, asset libraries, and AI automation to accelerate the design and presentation process.

1 investor

DagKnows offers an AI-based SRE platform that autonomously investigates IT incidents by building causal investigation trees, identifying root causes, and capturing resolutions as reusable runbooks. It is aimed at DevOps and engineering teams in enterprises, with on-prem deployment, RBAC, SSO, and audit trails for security and compliance.

1 investor

DAGWorks provides open-source Python frameworks—Hamilton for ML and data pipelines and Burr for AI agent applications—that include built-in observability, lineage tracking, and versioning to help developers monitor and maintain AI systems in production.

1 investor

daily.dev is a personalized feed and community platform for developers to discover relevant technical content and connect with other engineers. The product combines curated technical sources, community features called "squads", and native apps, and is supported by an ad-respectful model that prioritizes developer experience over monetization.

1 investor

Dailybot provides team recognition and engagement tools integrated into chat platforms like Slack and Microsoft Teams, enabling teams to acknowledge and celebrate work moments in real-time as part of daily workflow. The product uses kudos, leaderboards, and value tagging to build recognition culture within organizations.

1 investor

Dalton is an AI agent that runs inside a company's production environment, ingesting logs, traces, metrics, and deploy data to detect anomalies, investigate root causes across code and infrastructure, and propose or autonomously apply fixes such as rollbacks, patches, and config changes. It targets engineering, SRE, and DevOps teams for incident detection, observability, and automated remediation.

1 investor

DANIMA Technologies provides web development, SaaS development, and digital marketing services including e-commerce solutions, social media management, SEO, and print design for businesses across North America.

1 investor

Dapta offers a no-code conversational AI platform that lets small and mid-sized businesses build voice and text agents to handle calls, qualify and follow up with leads, book appointments, and sync data with their CRM. The platform integrates with over 300 tools and serves industries including home services, real estate, education, finance, and legal.

1 investor

A platform that allows developers to deploy AI agents as API endpoints with integrated tooling, isolated execution environments, and persistent processing capabilities for long-running workflows with automatic error recovery.

1 investor

Dark Wolf provides full-stack software development, UI/UX design, microservice architecture, and application modernization services for mission-critical systems, primarily serving U.S. government and defense customers.

1 investor