Odoo is an all-in-one business management platform that simplifies operations, improves collaboration, and boosts productivity.

Apache OFBiz is an Open Source, Java-based ERP system offering a comprehensive suite of business applications and a flexible framework for automating enterprise processes.

Offen

Offen is a self-hosted, Open Source web analytics platform prioritizing user privacy and data control.

Open Journal Systems (OJS) is an Open Source platform for managing and publishing scholarly journals online.

OLinuXino

OLinuXino is a series of Open Source, long-term supported, Linux-enabled single-board computers for industrial and commercial applications.

OneUptime

OneUptime is an Open Source platform combining monitoring, status pages, incident management, and more to build reliable software.

OnlyOffice

ONLYOFFICE is a collaborative office suite with document editors, spreadsheets, presentations, and PDF tools available online, offline, and for mobile devices.

A clean and responsive interface for managing and monitoring Zend OPcache.

OpenBoard is a free, Open Source, cross-platform interactive whiteboard software for schools and universities.

Opencast is a free, Open Source platform for automated video capture and distribution of educational content at scale.

Openchangelog

Openchangelog helps you create and manage beautiful, up-to-date changelogs for your software products.

OpenCloud

OpenCloud is an Open Source, Go-based server backend providing scalable and secure services with flexible authentication options.

openDCIM is a free, web-based application for managing data center infrastructure, replacing spreadsheets and offering features such as inventory tracking, capacity planning, and power outage simulation.

OpenEMR

OpenEMR is the world's leading Open Source electronic health record (EHR) and medical practice management software, providing a comprehensive, cost-effective, and customizable solution for healthcare providers.

OpenJDK is an Open Source project that provides a free and collaborative implementation of the Java Development Kit.

OpenKM

OpenKM is a Open Source Document Management System

OpenLdap

OpenLDAP is a robust, Open Source implementation of the Lightweight Directory Access Protocol (LDAP), providing a suite of tools and libraries for managing directory information.

OpenNebula

OpenNebula is an Open Source cloud and edge computing platform that simplifies the management of private, hybrid, and edge cloud infrastructures.

OpenNebula Community Edition

OpenNebula is an Open Source cloud and edge computing platform that simplifies the deployment and management of private, hybrid, and multi-cloud infrastructures.

OpenProject

OpenProject is a powerful, secure, and Open Source project management software for classic, agile, or hybrid project management.

OpenSearch

OpenSearch is an Open Source, enterprise-grade search and observability suite for managing unstructured data at scale.

OpenStack

OpenStack is an Open Source cloud computing platform providing a comprehensive suite of services for building and managing cloud infrastructure.

openSUSE

openSUSE is a community-driven Open Source Linux distribution offering stable and rolling release options, along with a comprehensive suite of development tools.

OpenTestFactory

OpenTestFactory is an Open Source test orchestration framework for automating and managing automated tests.