Developer Tools Startups

Zenter was a startup that built web-based presentation software for creating and sharing slideshows online. Acquired by Google in 2007, where its technology contributed to the presentations feature of Google Docs (later Google Slides).

2 investors

Zenyard offers an AI agent for reverse engineering that analyzes entire binaries to produce source-like decompiled code, reconstruct structs, and let researchers ask plain-language questions about complex files. It works inside existing decompilers and can be deployed in the cloud, private cloud, or fully on-premises including air-gapped networks, serving security researchers.

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

Zephr provides a spatial stack of modular products that enable location-aware AI, including place data APIs, precise positioning (GNSS with 6DoF), and on-device LLM capabilities for mobile applications. The platform serves developers and companies building location-aware AI features.

2 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.

2 investors

ZeroDev provides smart account infrastructure for blockchain applications, enabling better onboarding, transaction flows, and user experiences through account abstraction technology.

2 investors

Zipline is a data infrastructure platform built on the open-source Chronon project that lets engineering teams build, deploy, and monitor real-time data pipelines, features, and embeddings for AI agents and ML models. Deployed entirely within a customer's own cloud, it provides context, retrieval, observability, and governance for teams building production AI and ML systems.

2 investors

zkVerify is a verification layer for zero-knowledge proofs, designed to verify proofs quickly and at scale across different ecosystems and proving schemes. It targets developers building systems that require proof verification, offering integration with existing infrastructure and multiple ZK proving schemes.

2 investors

ZML is a production inference stack that compiles AI models to run across multiple hardware accelerators — including NVIDIA, AMD, TPU, and Trainium — from a single codebase without rewriting. It targets AI/ML workloads seeking hardware-independent, high-performance model inference.

2 investors

Zo is an AI agent platform that provides access to multiple AI models for chatting, generating media, and transcribing audio, along with a set of built-in tools and integrations. It functions as an agent harness that connects to external tools and lets users bring their own API keys or AI subscription providers to power the agent.

2 investors

Zumata provides SaaS travel technology for the accommodation sector. Its products include internet booking engines and hotel content services that apply machine learning to distribution problems. Customers are travel companies looking to manage inventory distribution and pricing.

2 investors

Zumo Labs creates synthetic training datasets for computer vision applications including autonomous vehicles, robotics, and security systems, offering an alternative to manual data collection and labeling.

2 investors

Wishket is a South Korean online platform that connects companies with verified IT freelancers and development firms for software and IT projects. It offers expert vetting, matching within 24 hours, and an escrow-based contract system, and provides AI tools for cost estimates and finding similar past projects.

2 investors

Arsaga Partners provides one-stop digital transformation (DX) services including business and technology consulting, AI development, system and application development, and web production and marketing. It also operates staffing and job placement services, serving corporate clients across Japan.

2 investors

BlueMeme provides low-code application development services centered on the OutSystems platform, along with training, seminars, and its "Digital Agent Service" that combines automation and agile methods for enterprise system modernization. The Japan-based company also pursues generative-AI legacy system migration and quantum-AI bioinformatics initiatives.

2 investors

divRIOTS builds Figma plugins, browser extensions, web tools, and APIs that convert web pages, images, and various file formats (PDF, PSD, AI, and others) into fully editable Figma designs, and export Figma frames to HTML code. Its tools serve designers and developers working in Figma who need to import existing content or move between design and production code.

1 investor

/dev/fast is an AI-native code review platform that enables developers to review pull requests 10x larger in half the time by focusing on architecture rather than implementation details. It uses AI agents to reduce mean time-in-review by 2x while optimizing token costs, and includes a git server built on object storage for reliability.

1 investor

19th is a platform that lets users train small, task-specific machine learning models from their own examples, automatically searching model candidates and distilling them into production-ready models. It targets teams building focused product tasks (such as classification and PII identification) without requiring a dedicated ML team, positioning its models to outperform frontier LLMs on accuracy, latency, and cost.

1 investor

Squid is a cross-chain platform providing a routing and execution engine that lets users swap, bridge, and route tokens across 100+ blockchains and 20,000+ tokens in a single transaction. It serves retail users, developers, chains, and institutions through a bridge app, APIs, SDKs, widgets, and bespoke infrastructure for stablecoins, FX, and RWAs.

1 investor

280 North is a web design and app development agency based in Liverpool that builds custom websites and applications for small businesses and enterprises. The company provides in-house development support with proprietary tools and 24/7 client messaging.

1 investor

3LC builds interactive, visual, human-in-the-loop tools for data-centric AI, letting data scientists inspect, edit, and re-train on individual training samples to improve model accuracy. The platform targets AI and computer vision teams, with a focus on physical AI and multimodality.

1 investor

A U.S. developer of email and messaging cleanup tools. Its technology allows users to delete large batches of messages at once and offers related services for managing inbox clutter.

1 investor

42 Lisboa is a free software development school in Lisbon that teaches coding and programming specializations through peer-to-peer, project-based learning to students 18 and older regardless of prior experience. The school offers a 6-24 month common core curriculum to develop junior developers and advanced specialization tracks in cybersecurity, AI, game development, and other areas.

1 investor

99x is a digital product engineering company that builds web platforms, mobile apps, e-commerce solutions, and business-critical systems, embedding AI and agentic workflows across the product lifecycle. It provides facilitated teams and nearshore engineering talent to clients across Scandinavia, Europe, and North America.

1 investor