Cloud Computing Startups

On-Hertz provides API-driven software that turns a browser into an audio production platform for broadcasters, supporting mixing, AoIP contribution, loudness monitoring/levelling, playout, FX, and monitoring. Built on ST2110 and IP-native technology, it targets media companies moving from legacy hardware to scalable, distributed on-prem, mobile, or on-demand broadcast workflows.

1 investor

Treadie provides tools and utilities that extend Git functionality for software development teams, addressing workflows and tasks that Git itself does not cover.

1 investor

Remote.It provides identity-based secure remote access to industrial equipment such as PLCs and HMIs across factories, construction sites, greenhouses, utilities, and retail locations, without VPNs, open ports, or public IPs. It uses a lightweight device agent to broker end-to-end encrypted peer-to-peer connections, serving operators, technicians, and engineers managing distributed equipment fleets.

1 investor

The company provides optical fiber and data services to business customers and public sector organizations in Germany. It operates as a business carrier building a nationwide fiber network infrastructure.

1 investor

OneQrew provides a software platform for skilled-trade craft businesses (Handwerk) in Germany, covering areas such as order processing, accounting, recruiting, planning, and production. Its OneQrew HUB gives users direct access to current manufacturer product information within their trade-business software.

1 investor

One Source is a technology advisory and managed services provider that helps organizations design, procure, implement, and support digital transformation projects through a vendor-neutral approach. It offers services across technology expense management, cybersecurity, technology infrastructure, and customer experience.

1 investor

Onymos offers DocKnow, a document and data processing platform for clinical laboratories that captures, validates, and enriches intake documents such as test requisition forms and medical records. Deployed within the lab's own infrastructure, it uses AI to extract structured and unstructured data, flag conflicting information, run eligibility checks, and maintain audit and compliance records.

1 investor

Ooma Direct Routing for Microsoft Teams enables organizations to connect their Teams collaboration platform to the Public Switched Telephone Network for voice calling. The service routes incoming and outgoing calls through Ooma's cloud network, allowing Teams users to make, receive, and transfer calls without leaving the application.

1 investor

Oorly is an accessibility widget that website owners add via a small JavaScript snippet to improve accessibility for their site visitors. The service is managed entirely in the cloud and offers a set of accessibility features.

1 investor

Opcore provides high-performance infrastructure operated under real-world conditions, backed by in-house R&D and long-term client relationships. The company positions itself within European AI and data-center infrastructure.

1 investor

Opearlo is a digital platform that provides online services focused on speed, security, and user experience for businesses, organizations, and individuals seeking to improve productivity and efficiency through modern technology.

1 investor

Open-E develops software-defined storage solutions, including JovianDSS and JovianVHR, for enterprise data management, backup, and disaster recovery. The company serves businesses seeking hardware-agnostic storage software with features like ransomware resilience and data immutability.

1 investor

T Cloud Public (formerly Open Telekom Cloud) is a sovereign European cloud platform operated by Deutsche Telekom, offering compute, storage, AI/ML, big data, IoT, and managed services from data centers in Europe. It serves enterprises, public institutions, and research organizations that require GDPR-compliant, ISO 27001/BSI C5-certified infrastructure under European jurisdiction.

1 investor

Open-Xchange provides carrier-grade, self-hosted email, calendar, and collaboration software (OX App Suite) as an alternative to Gmail and Outlook, with an integrated AI agent and full control over data, deployment, and cost. It serves service providers such as telcos, hosting providers, and ISPs, as well as public-sector organizations including government, education, and regulated institutions.

1 investor

OpenBuilder provides a backend platform and visual debugging tools for developers to build applications without per-message costs. It offers OAuth and API integrations with third-party services including documentation, payment, CRM, email, and Slack.

1 investor

Open Coconut provides network interconnection and routing services with an on-demand self-service portal, letting customers provision, scale, and retire interconnections and routes as needed. It offers real-time network metrics for route selection and troubleshooting, and direct access to network engineers during incidents.

1 investor

OpenComputer is an open durable runtime for AI agents, running each session on a persistent virtual machine with full OS access that hibernates when idle and resumes with state intact after crashes or redeploys. It offers agents-as-code deployment, checkpoints, and elastic VMs for developers building on harnesses like Claude Agent SDK and OpenCode.

1 investor

Quo (formerly OpenPhone) provides a business phone system for calls and texting, aimed at small businesses and teams to communicate with and build relationships with their customers. The product offers a professional phone number and communication tools as an alternative to owners using personal numbers.

1 investor

OpenRelay operates a distributed overlay network that connects consumer GPUs into a fault-tolerant mesh for inference workloads, automatically routing traffic around failed nodes without manual intervention. The platform allows anyone to contribute compute resources and deploy inference jobs via a single API call.

1 investor

Opper is an EU-hosted AI gateway that provides a unified, OpenAI SDK-compatible API for accessing 300+ AI models across text, image, voice, and video, with automatic failover, tracing, and agent-building SDKs. It serves developers and companies with GDPR compliance, EU data residency, and AI governance/control-plane features.

1 investor

Opsima optimizes cloud spending and efficiency for companies, helping them reduce costs and maximize value from their cloud infrastructure. The company serves organizations of all sizes looking to optimize their cloud provider rates and operations.

1 investor

Opstrace is an open source observability platform built on Cortex and Loki that runs in a user's own cloud account for metrics, logs, and alert management. The company and its technology are being integrated into GitLab.

1 investor

OpsVerse offers Aiden, an AI copilot that integrates DevOps tools—Git repositories, CI/CD pipelines, and observability systems—into one platform to automate workflows and resolve issues through natural-language interaction. It serves engineering teams at startups, scale-ups, and enterprises, with deployment options across cloud, on-premise, and hybrid environments for data residency and compliance.

1 investor

Opsview provides IT infrastructure monitoring software for enterprises, offering centralized visibility across hybrid environments along with noise reduction and predictive analytics to prevent incidents. It also includes business service monitoring for enterprise IT teams.

1 investor