App Hosting / PaaS service catalog

OpenCV is an open-source computer vision and machine learning library offering thousands of algorithms for image processing, object detection, and video analysis across multiple languages.

OpenJDK is the open-source reference implementation of the Java Platform, Standard Edition, providing the Java runtime, compiler, and class libraries under the GPL.

OpenMined is an open-source community and set of tools for privacy-preserving machine learning using techniques like federated learning, differential privacy, and secure multi-party computation.

OpenNebula is an open-source cloud management platform for orchestrating virtualized data centers and edge deployments across KVM, LXC, and Firecracker hypervisors.

OpenProject is an open-source project management application offering task tracking, Gantt charts, agile boards, and team collaboration with self-hosted and cloud options.

OpenRouter is an API gateway that provides unified access to large language models from multiple providers including OpenAI, Anthropic, and open-source models through a single endpoint.

OpenSCAD is a free, script-based 3D CAD modeler that generates solid geometry from a declarative programming language, popular for parametric design and 3D printing.

OpenSea is a marketplace for NFTs and digital collectibles on Ethereum, Polygon, Solana, and other blockchains, supporting buying, selling, and minting.

The Open Source Hardware Association is a nonprofit that promotes the open-source hardware movement, maintaining the OSHWA certification and community standards.

Collaborative open-source mapping project providing free geographic data and maps.

openSUSE is a community Linux distribution sponsored by SUSE, offering the rolling-release Tumbleweed and the stable Leap editions with the YaST configuration tool.

OpenText is a Canadian enterprise information management vendor offering content services, business process automation, security, and analytics software for large organizations.

OpenTofu is an open-source infrastructure-as-code tool forked from Terraform and stewarded by the Linux Foundation, letting teams define and provision cloud resources declaratively.

Openverse is a search engine for openly licensed images, audio, and other media, maintained by the WordPress Foundation and aggregating works from Creative Commons sources.

OpenWrt is an open-source Linux-based operating system for routers and embedded networking devices, providing a writable filesystem with package management in place of stock firmware.

OpenZeppelin provides open-source smart contract libraries, security audits, and tooling for building and operating secure Ethereum and EVM-based applications.

OpenZFS is an open-source implementation of the ZFS file system and volume manager, offering copy-on-write snapshots, pooled storage, and data integrity across Linux, FreeBSD, and macOS.

Opera GX is a gaming-oriented web browser from Opera featuring CPU, RAM, and network limiters, Twitch and Discord integrations, and customizable themes.

OPNsense is an open-source FreeBSD-based firewall and routing platform forked from pfSense, offering stateful filtering, VPN, and traffic shaping through a web UI.

OPPO is a Chinese consumer electronics manufacturer, owned by BBK Electronics, best known for Android smartphones, wireless audio products, and smart devices.

OpsLevel is an internal developer portal that helps engineering teams track service ownership, maturity, and standards across microservice architectures.

Orange S.A. is a French multinational telecommunications operator providing mobile, fixed-line, broadband, and enterprise network services across Europe and Africa.

Orchard Core is an open-source, modular multi-tenant content management system and application framework built on ASP.NET Core.

ORCID is a nonprofit that issues persistent digital identifiers to researchers and links them to their publications, grants, and affiliations across scholarly systems.