Developer Tools Startups

Xkit provides B2B SaaS developers with a single API to build deep integrations across their customers' CRM systems, including custom fields, objects, and workflows. It lets developers deliver CRM integrations with one build that works regardless of how each customer's CRM is configured.

2 investors

xMatters provides critical event management and digital threat detection capabilities, now part of Everbridge's platform that integrates physical and digital security monitoring through a unified interface for enterprise organizations.

2 investors

Xternity is a platform that lets game developers integrate Web3 and blockchain functionality into their games across any coding language, handling tokenization, smart contract deployment, and related in-game asset features. It serves game studios in the Web3 gaming industry.

2 investors

Yotewo provides pre-vetted IT talent and hiring solutions for startups, helping companies quickly access specialized tech expertise. The platform aims to make recruitment transparent and efficient for businesses seeking to build technical teams.

2 investors

Younode is a software development firm that builds web and mobile applications, AI agents, and in-house products for clients. The company focuses on creating technology services that deliver value across business and development domains.

2 investors

YouTeam operates a hiring platform that connects startups with vetted offshore software engineers seeking full-time contracts who are not listed on freelance portals or job boards. It focuses on helping startups, including Y Combinator companies, source engineering talent.

2 investors

Zaro provides AI governance and workspace management for enterprises, enabling control over what AI models can read, call, and modify across files, tools, and applications. The platform centralizes context management, audit trails, and permissions while supporting multiple AI models and frameworks with vendor-neutral portability.

2 investors

Zartis is a technology consulting firm specializing in AI transformation and software engineering, helping organizations integrate AI into their teams, systems, and products and build production-ready AI systems, data platforms, and cloud infrastructure. It serves enterprise clients across industries such as financial services, energy, healthcare, logistics, telecom, and education, operating across Europe and the Americas.

2 investors

Zeabur is a deployment platform aimed at software developers. The company is building developer-focused product with roots in Taiwan and a presence in Silicon Valley.

2 investors

Zeeve is an enterprise-grade, no-code automation platform for deploying, monitoring, and managing blockchain nodes and networks across multiple protocols, along with Rollup-as-a-Service and RPC infrastructure for Web3 builders. It serves developers, Web3 startups, and enterprises building and scaling decentralized apps, networks, and appchains.

2 investors

Provides hands-on training and workshops that teach engineering teams to adopt AI-augmented development workflows using their own codebase and stack. Offered by an independent consultant/trainer serving software engineering teams and their leadership.

2 investors

Zenbu is a hackable IDE built on Zenbu.js with native support for the Pi coding agent, enabling developers to customize the environment and run parallel development workflows with multi-agent support and git worktree integration.

2 investors

Perforce Zend provides secure PHP runtimes, monitoring tools, and enterprise web platform solutions for organizations building and maintaining mission-critical PHP applications. The company offers extended security support, compliance tools, and managed infrastructure for PHP-based systems used across global enterprises.

2 investors

ZenGuard builds a security and testing layer for LLM-based AI agents, providing runtime guardrails against data leaks, prompt injections, and harmful content, as well as adversarial security testing and penetration testing. It targets companies deploying customer-facing AI agents that need to protect sensitive data and meet compliance standards such as OWASP LLM Top 10 and NIST AI RMF.

2 investors

Blackmagic AI is an OpenRouter-style API gateway that lets developers access frontier AI models from providers like OpenAI, Anthropic, Google, and others through a single OpenAI-compatible API and prepaid credits. It offers features including a chat playground, model catalog, usage logs, per-token billing, and API key management for production traffic.

2 investors

Zenoss provides service-centric observability technology—including service modeling, dependency mapping, and impact analysis—now part of Virtana's observability platform delivered as Service Observability. It serves IT Ops, SRE/DevOps, and platform engineering teams monitoring hybrid on-premises and cloud infrastructure.

2 investors

ZenRows Extract is a web scraping tool that converts supported websites into typed JSON without requiring custom parsers or CSS selectors, reading a page's DOM to automatically detect and return fields such as prices, ratings, contacts, and listings. It maintains prebuilt extractors for specific sites (e.g. e-commerce, travel, real estate, and professional profiles) and offers a css_extractor option for unsupported pages.

2 investors

Zenter was a web-based presentation application offering PowerPoint-style functionality along with the ability to pull in content from the web and share slide shows in a public library for others to remix. The company was acquired by Google in June 2007.

2 investors

Zenyard builds an AI agent for reverse engineering that analyzes entire binaries to help security researchers understand complex code faster and with fewer manual reconstruction tasks. It targets reverse engineers and security researchers working on complex binary analysis.

2 investors

Zep provides infrastructure that manages and governs agent memory at scale across multiple data sources including chat, documents, events, and business data. The company serves enterprise organizations deploying AI agents that need persistent, temporal context across their deployments.

2 investors

JRebel is a developer productivity tool for Java developers that eliminates application redeploys during coding, letting changes take effect in real time. It integrates with popular IDEs including IntelliJ IDEA, Eclipse, NetBeans, and Visual Studio Code, and offers reporting on developer ROI.

2 investors

ZettaBlock provides a Web3 data platform that indexes and unifies on-chain and off-chain data across 12+ blockchains, offering pre-parsed datasets and low-latency GraphQL/REST/SQL APIs. It targets institutional and enterprise developers building Web3 applications that need real-time blockchain data, streaming, and custom query capabilities.

2 investors

Zinc provides an API that automates and integrates online purchases, acting as a programmable commerce layer for e-commerce transactions. It positions its purchasing API as infrastructure for automation, AI, and agent-driven commerce.

2 investors

ZKM builds zero-knowledge proof infrastructure, including its Entangled Rollups technology, for blockchain networks. It provides technical documentation, whitepapers, and educational resources focused on the Bitcoin economy and rollup systems.

2 investors