OpenVAS

OpenVAS is a powerful and versatile Open Source vulnerability scanner providing comprehensive security assessments for various systems and protocols.

OpenVZ

OpenVZ is an Open Source container-based virtualization technology for Linux that allows multiple isolated virtual environments to run on a single physical server.

Open Web Calendar is a customizable, Open Source web calendar that embeds into websites using ICS links, ensuring privacy and broad compatibility.

Open-Xchange

Open-Xchange provides open, flexible, and scalable email platform solutions for businesses and service providers worldwide.

OpnForm

OpnForm is an Open Source, no-code platform for creating beautiful and functional online forms.

OPNsense

OPNsense is a free and Open Source firewall and router offering robust network security and easy management.

OrangeHRM is a comprehensive, Open Source Human Resource Management system.

OS.js is an Open Source JavaScript web desktop platform providing a full desktop environment within a web browser.

osTicket

osTicket is a free, Open Source help desk and support ticket system.

Osuny

Osuny is an Open Source content management system focused on creating accessible, sustainable, and secure websites.

Outline

Outline is a fast, collaborative knowledge base platform for teams to organize, share, and access information efficiently.

OWASP ZAP

OWASP ZAP is a free and Open Source web application security scanner that helps identify and mitigate vulnerabilities.

ownCloud

ownCloud is an Open Source software for secure file synchronization, sharing, and content collaboration, enabling easy teamwork from anywhere.

Pacemaker

Pacemaker is an Open Source high-availability cluster resource manager that ensures continuous operation of applications and services.

PacketFence

PacketFence is a free and Open Source network access control (NAC) solution that secures networks by managing and controlling access to devices and users.

pagure is a light-weight git-centered forge based on pygit2

Papermark

Papermark is an Open Source, secure document sharing platform with advanced analytics and brand customization, offering a superior alternative to Docsend.

Parseable

Parseable is a high-performance, diskless, Open Source database built for modern infrastructure, offering significant speed and cost advantages.

Passbolt

Passbolt is a secure, Open Source credential management platform for teams that enables secure collaboration and centralized control over passwords and secrets.

Payload

Payload is an Open Source, Next.js native backend for building modern, flexible web applications.

PeerTube

PeerTube is a free, Open Source, and decentralized video-sharing platform that prioritizes user privacy and community control.

PeerTube search-index

The PeerTube search-index project provides a fast and efficient search functionality for the PeerTube video platform.

Penpot

Penpot is a collaborative, open source design and prototyping tool that generates exportable web standard code, bridging the gap between design and development.

Pentaho Community Edition

Pentaho Community Edition is a powerful business intelligence platform providing comprehensive data integration and analytics capabilities.