Developer Tools Startups

Vocal Bridge provides a developer SDK and CLI for adding real-time voice interaction to AI applications, letting apps embed bidirectional voice with UI actions, turn any text-based LLM agent into a voice agent, and place outbound phone calls. It works with any LLM (Claude, GPT, Gemini, or in-house) and targets developers building voice-first products across domains like financial assistants and clinical workflows.

1 investor

Dubler 2 is a desktop application that converts voice input into MIDI notes in real time using AI-powered pitch tracking, allowing musicians and producers to use their voice as an instrument within any digital audio workstation. The product is designed for music producers, composers, and vocalists working in electronic music production.

1 investor

VoiceRun is a developer platform for building, evaluating, simulating, deploying, and testing code-first voice AI agents through a terminal CLI and agentic workflows. It targets developers and enterprises, offering hands-on delivery support to move from demo to production.

1 investor

Voicery creates artificial voices using neural networks that sound nearly identical to human speakers, serving content creators who produce audiobooks, podcasts, dubbed media, and voice-over work.

1 investor

VoiceVoice provides a platform for hosting virtual events built around small-group conversation rather than one-way presentation. Organizers set a topic, and participants are placed into guided discussions that can run at scale across many simultaneous groups. It is used by organizations, campaigns, and community groups convening distributed audiences.

1 investor

Glass Devtools builds AI-powered code editing tools, having previously created Void, an open-source AI code editor. The company focuses on developer tools for software engineers.

1 investor

Voler Systems publishes a podcast featuring conversations with industry leaders about engineering innovation, product development, and technologies for next-generation devices.

1 investor

Vonjour is a US developer of a customer communications platform centered on business text messaging. It routes inbound messages and chats to agents and collects them in a shared team inbox with prior conversation context attached. It is aimed at businesses that handle customer questions over SMS and chat.

1 investor

Agora provides an end-to-end governance platform for cryptocurrency protocols, enabling on-chain coordination for community voting on protocol upgrades and ecosystem funding decisions. The platform serves decentralized autonomous organizations and protocol communities built on Ethereum.

1 investor

Voxeet develops a communications platform as a service that developers embed in their own applications. Its API set covers spatial 3D audio, video, screen sharing, presentation and broadcast modes, call recording, transcription and translation, messaging, and scheduling.

1 investor

Voxshell develops meshing software for computer-aided engineering (CAE) and computational fluid dynamics (CFD), using a new algorithm to speed up 3D data pre-processing. It targets hardware and aerospace product development teams, reducing processing time from hours to minutes.

1 investor

The company offers technology for deploying AI models with faster inference speed while maintaining accuracy.

1 investor

Waddle Labs provides an API that connects to robots and, from a natural-language prompt, uses AI agents to generate a control policy for the robot to carry out the requested task. The product targets robotics developers and operators.

1 investor

Wafer develops performance optimization tools and services across GPU accelerators, architectures, and computing stack layers.

1 investor

WarpBuild provides continuous integration and development infrastructure tools that speed up code building, iteration, and deployment for engineering teams.

1 investor

Warrant provides an authorization service that developers use to implement access control policies in their applications, offloading permission logic to a dedicated platform so engineering teams can concentrate on product development.

1 investor

Wasp is an open-source framework for building full-stack web applications, using a configuration file to handle boilerplate for features like authentication, database, and deployment. It is designed to work well with AI coding tools by reducing code and keeping codebases structured for developers.

1 investor

Watchsend provides analytics for iOS applications by recording their state and presenting user behavior and performance data as video playback, allowing developers to identify and diagnose issues.

1 investor

Wato is a shared AI workspace platform that provides centralized memory, tools, workflows, and cloud sessions for AI agents across an organization. It integrates with MCP-compatible clients and allows teams to manage permissions, reuse AI skills, and maintain audit trails across distributed agent work.

1 investor

Wavedash is a browser-based gaming platform that runs games natively in Chrome without downloads, installs, or streaming latency, and provides link-based multiplayer. It offers developer tools supporting engines like Unity, Godot, Unreal, and Three.js, handling hosting, distribution, cloud saves, achievements, and analytics for a 10% platform fee.

1 investor

Waveium provides cloud-based wireless propagation simulation through a single API, computing the radio channel across 0.5–30 GHz from rough environment sketches such as CAD files, coordinates, addresses, or point clouds. It serves network planners and product R&D teams across mining, telecom infrastructure, industrial sites, space/non-terrestrial networks, and consumer tech.

1 investor

Waypoint provides an email layer designed for software teams building SaaS products, marketplaces, and fintech applications. The company was launched in 2023 and focuses on simplifying product email integration.

1 investor

We Do AI is an AI consulting and software development agency that helps mid-market and enterprise companies integrate artificial intelligence into their operations through strategy workshops, custom AI software solutions, and data analytics services. The company serves German-speaking businesses seeking to implement AI forecasting, image recognition, pattern detection, and big data analytics capabilities.

1 investor

WeAreDevelopers is a global platform where tech professionals build skills, share knowledge, and connect with peers and employers. The company hosts online communities and industry events across Europe, North America, and India to help developers advance their careers and enable companies to strengthen employer branding and recruit talent.

1 investor