Developer Tools Startups

Voxel51 provides data and model management tools for computer vision and AI development. The platform serves teams building autonomous vehicles, robotics, and other AI applications that rely on visual data.

5 investors

Walrus Memory is a portable memory layer for AI agents that stores encrypted, verifiable context on the Walrus data platform so agents retain memory across sessions, apps, and runtimes. It offers an SDK (Python, TypeScript, JavaScript) with programmable access permissions, native MCP support, and plugins for developers building multi-agent workflows, support agents, and personal assistants.

5 investors

WhyLabs provided AI observability and monitoring tools for responsible AI adoption, including platforms for data logging, privacy-preserving monitoring, and large language model oversight. The company has discontinued operations and open-sourced its technology.

5 investors

Wild Moose builds an AI-powered on-call copilot that automates root cause analysis for production incidents, designed for engineering teams in fast-moving environments. The platform reduces investigation time and helps organizations resolve incidents faster while reducing the on-call burden on engineers.

5 investors

xmemory is a schema-based memory layer that lets AI agents read and write in natural language while storing facts, relationships, and workflow state as validated, queryable memory. It targets developers building multi-agent and long-running AI systems, offering features like schema evolution, RBAC, lineage, and debugging for regulated environments.

5 investors

YearOne is an AI-powered software engineering intelligence platform that provides data-driven insights to help development teams improve productivity, reduce burnout, and mitigate project delivery risk. It tracks performance metrics and work patterns to enable faster, on-time delivery while maintaining code quality and developer wellbeing.

5 investors

Yet Analytics builds open-source software for learning data management and interoperability, including xAPI Learning Record Stores, data filtering tools, and synthetic data generators. The company serves educational technology organizations and learning platforms seeking standardized data infrastructure.

5 investors

Yhat provided a platform for managing the complete lifecycle of data science projects, from model development through deployment. The company was acquired by Alteryx.

5 investors

Zaraz offers a third-party tag manager that optimizes how websites load external tools using a single line of code, aiming to improve page speed, conversion rates, and SEO. It was acquired by Cloudflare.

5 investors

Zencoder builds AI-powered tools for software engineering that automate repetitive development work, combining AI research with R&D to produce production-grade software solutions. It serves developers and engineering teams working in AI-assisted software development.

5 investors

Zenduty is an incident management and alerting platform that helps organizations reduce alert fatigue and accelerate incident response through integrations with tools like Slack, Jira, and Microsoft Teams. The platform serves DevOps and engineering teams across enterprises seeking to maintain system uptime and operational reliability.

5 investors

Zephyr Cloud is a deployment platform for micro frontends and mini apps that lets developers ship code to the edge via a single line of code, with support for React Native and the web. Built to work with Module Federation, it offers a built-in default cloud or bring-your-own-cloud deployment across multiple providers, plus semver versioning, tags, and unlimited environments for development teams.

5 investors

Zeplin builds developer tools for React engineers and design system teams, including Omlet, a component analytics tool that shows how and where React components and their props are used. The products help teams update, clean up, and maintain their component libraries.

5 investors

TRUSTDOCK provides API-based identity verification (eKYC/KYC) and digital ID services, letting businesses confirm customer identities online. The company operates in Japan, serving both private-sector and government clients.

5 investors

2501 builds an AIOps platform with autonomous agents that monitor, predict, and remediate infrastructure issues without human intervention, aimed at enterprise, government, and financial services operations teams. It emphasizes on-premise and air-gapped deployment with security and data sovereignty built into the architecture.

4 investors

4 investors

8th Wall is an open-source platform for building 3D experiences and WebAR applications with free tools including an XR engine and desktop editor. It enables developers to create augmented reality experiences for web and native platforms that can be deployed anywhere.

4 investors

A Cloud Guru is an online learning platform focused on cloud computing skills, offering certification courses, hands-on labs, practice exams, and live cloud sandboxes for AWS, Azure, Google Cloud, and Linux. It serves individual engineers and enterprise teams building cloud fluency, and was acquired by and integrated into Pluralsight in 2021.

4 investors

Actiondesk is a spreadsheet tool that connects to live data sources, offering the familiarity of a spreadsheet with the analytical capabilities of a business intelligence tool. The company was acquired by Datadog.

4 investors

aelf is a blockchain platform with a multi-dAppChain, cloud-native architecture and AI-enhanced features designed to support parallel transaction processing. It provides developers and creators with templates, SDKs, and documentation across languages such as C#, Java, JavaScript, Python, and Go to build, deploy, and manage decentralized applications (dApps).

4 investors

Africa's Talking offers communication and payments APIs — including Voice, SMS, and airtime — that let developers build mobile engagement and customer communication applications without integrating directly with mobile operators. The platform serves developers and businesses across Africa.

4 investors

AgentMail provides an email inbox API that enables AI agents to create and manage their own email accounts. The platform serves developers building AI agents that need email communication capabilities.

4 investors

AGI develops on-device AI agents that automate tasks across applications while maintaining privacy and working offline. The platform integrates with existing hardware and software stacks to enable context-aware autonomous actions on smartphones, PCs, and wearables.

4 investors

Agile Analog develops and automatically generates customizable analog IP for semiconductors using its Composa™ technology, serving ASIC and SoC designers across applications in high-performance computing, IoT, AI, automotive, and aerospace.

4 investors