Cloud Computing Startups

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 management services using software-defined networking (SDN) and network function virtualization (NFV) technologies for customers seeking to control and optimize their network infrastructure.

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

Opus 2 provides AI-enabled case management and legal technology software for law firms handling commercial disputes and arbitration. The platform is used by major law firms globally to manage litigation, virtual hearings, and document analysis.

1 investor

Byond, by OpusXenta, is a cloud-based software platform for cemeteries and crematoria to manage records, operations, reporting, and digital cemetery mapping. It serves death care providers in Australia and New Zealand, the USA, and the UK.

1 investor

Oqton develops AI-driven software for additive manufacturing, combining CAD/CAM technology, cloud integration, and simulation to help manufacturers scale industrial production. The company serves manufacturers of all sizes looking to adopt or optimize additive manufacturing processes.

1 investor

Orchestra provides a platform for building, running, and monitoring AI agents and data pipelines on cloud data warehouses including Snowflake, Databricks, BigQuery, and Azure, serving data teams.

1 investor

Orfeostory is a web and mobile app development agency in Singapore that provides custom website design, development, and app creation services for businesses of various sizes. The company serves SMEs and corporate clients seeking web solutions ranging from e-commerce platforms to WordPress and PHP development.

1 investor

OrientDB is an open source multi-model NoSQL database management system that combines graph and document data models in one operational database. It aims to provide high-performance read and write operations and can serve as a replacement for a relational or single-model operational DBMS.

1 investor

Orijin builds software and supply chain solutions for cocoa and coffee producers, enabling transparency and traceability across agricultural value chains in Latin America and East Africa.

1 investor

Orion is a data and AI-enabled software engineering services partner that delivers enterprise-grade solutions including AI development, cloud modernization, and digital transformation services. The company serves enterprise clients globally across multiple industries through nearshore and offshore delivery centers.

1 investor

OrionVM provides Infrastructure-as-a-Service (IaaS) cloud computing infrastructure for customers using proprietary technology. The company serves businesses requiring scalable cloud computing resources.

1 investor

OryxAlign is an IT services and managed service provider (MSP) operating across the UK and Europe that designs, secures, and manages critical infrastructure for data centres, constructions projects, and commercial workplaces. The company serves mid-market and SMB clients with co-managed IT services and technology implementation.

1 investor

OTOY develops 3D rendering software and cloud rendering services for creative professionals, including OctaneStudio+ and tools for visual effects workflows.

1 investor

OUTSCALE, a brand of Dassault Systèmes, provides sovereign cloud infrastructure, a low-code business process platform, and AI-powered virtual twin services for companies, healthcare institutions, and public organizations. It emphasizes data sovereignty, cyber governance, and security certifications such as SecNumCloud and HDS, with a focus on the French and European market.

1 investor