Developer Tools Startups

Unosquare provides full-cycle digital engineering services and solutions across eight Centers of Excellence for companies in regulated and data-intensive industries. The company serves growing enterprises needing expert software development, user experience design, and product development talent globally.

1 investor

Unreal Speech provides a text-to-speech API that converts text into audio, offering low-latency streaming (around 300ms), per-word timestamps, and support for requests up to 10 hours of audio. It targets developers building voice features, with SDKs for Python, Node.js, and React Native.

1 investor

until.dev provides a coordination layer for software teams using AI coding agents, letting users define and sign off on feature plans that are broken into jobs for agents to claim and complete. A review agent then compares the delivered code against the agreed plan and surfaces any gaps or additions as decisions for the user.

1 investor

Unvest offers a no-code token vesting platform for crypto projects to create and manage customizable vesting schedules for investors, team members, and other stakeholders. It supports multiple blockchain networks and features like cliffs, linear and milestone-based unlocks, branded claim dashboards, on-chain locked-token transfers, and bulk address distribution.

1 investor

UOR Foundation develops the UOR Framework, a computational substrate for agentic AI that assigns each object a content-derived address to provide persistent identity, trustless verification, and composability. It aims to structurally address issues such as identity fraud, authentication exploits, prompt injection, and spam in AI agent systems.

1 investor

Firefox is a web browser built with privacy and user control as core features, offering tracker blocking, customization options, and focus tools to help users browse with minimal distractions and data monetization.

1 investor

Upper is a platform that connects companies with freelance tech talent and vendors through a cloud-based ecosystem for software development and delivery. It enables businesses to access vetted networks of remote developers and service providers to scale their tech initiatives on-demand.

1 investor

UPSTACK is a technology advisory firm that helps enterprise customers identify, evaluate, and source AI and machine learning solutions while managing vendor relationships and contracts. The company serves Fortune 1000 customers across various industries by providing advisory services, vendor comparison, and unified technology management.

1 investor

Uptime Labs provides gamified training simulations for software engineering teams to build incident response skills and resilience under pressure. The platform targets engineering teams in financial trading and other software-intensive industries.

1 investor

URSA Secure builds formal methods software to verify AI-generated code before production, helping companies reduce rework, prevent incidents, and accelerate modernization of large codebases. The toolkit applies formal verification techniques to prove software behavior and behavioral equivalence in AI-assisted development.

1 investor

uRun offers real-time AI model APIs for speech, language, and video that can be chained together on one machine without network trips between them, aimed at latency-sensitive applications like voice agents, live video, and avatars. It also runs an open platform for model labs to serve and tune their own models for developers.

1 investor

Useberry is a research platform that enables teams to plan, run, and share user research studies collaboratively. It serves product teams, UX designers, marketers, and product managers who need to conduct usability testing, surveys, and preference testing while keeping teams aligned.

1 investor

Cortex builds HydraDB, a graph database built on object storage with tiered hot/warm/cold storage, designed as a context and memory layer for AI agents and applications. It lets developers build ontologies, agent memory, company brains, and context graphs, combining graph structures with vector and relational primitives to deliver relevant, temporally versioned context.

1 investor

User Hero is a platform for consolidating user research in one place, letting teams organize studies, transcribe interviews, take collaborative notes, and tag and search observations. It automatically generates reports and rainbow charts to help product and research teams analyze findings faster.

1 investor

Userdoc is a software definition workspace that uses AI to create and manage software specifications, user stories, and requirements from ideas, existing code, and team knowledge. It serves software development teams, product managers, and freelancers who need to define, document, and scope software for both human and AI-driven development.

1 investor

UTXOS provides a wallet-as-a-service platform for developers building on Bitcoin, Cardano, and Spark that enables social login authentication and transaction fee sponsorship. The platform allows applications to onboard users without seed phrases or browser extensions while maintaining non-custodial security, targeting Web3 developers and enterprises.

1 investor

Youwei builds AI-driven intelligent operations tools that create digital twins of IT operations staff to preserve their experience and enable human-AI collaboration. It serves large enterprises across sectors such as finance, energy, and manufacturing, helping them shift from reactive "firefighting" IT operations to intelligent operations.

1 investor

UXCam provides mobile app analytics and session replay that automatically detects crashed sessions and integrates with crash log tools like Firebase Crashlytics. It helps product and analytics teams identify user struggles, troubleshoot issues, and understand app engagement.

1 investor

UXDuck develops a customizable operating interface for unmanned vehicles, compatible with drones, planes, copters, rovers, boats, and submarines. It serves users who need an adaptable control platform for a range of autonomous and remote-operated vehicles.

1 investor

Uxia is an AI-powered platform for user testing and research that helps teams conduct and analyze digital UX studies to generate actionable insights.

1 investor

UXLINK is a Web3 social platform and infrastructure that connects users and projects through account abstraction and cross-chain functionality. It provides simplified blockchain access via existing social media accounts (Telegram, X, Line, TikTok) and operates UXLINK ONE, a social-native rollup chain serving as its growth layer.

1 investor

UXMagic is an AI-powered design tool that converts text descriptions, screenshots, mockups, and URLs into production-ready UI designs and code. It generates complete user interfaces, wireframes, prototypes, and React code without requiring design experience.

1 investor

UXTesting is a remote user-experience testing and analytics platform serving corporate product and design teams.

1 investor

V-Labs provides augmented reality glasses with GNSS/RTK positioning for field work, enabling surveyors, contractors, and utilities to visualize and measure geospatial data with centimeter accuracy. The platform integrates work instructions and remote assistance to optimize field operations for utilities, railways, and construction contractors.

1 investor