Question2Answer is a free, Open Source, and highly customizable Q&A platform built with PHP and MySQL, offering robust features and extensive plugin support.

QUESTIONSTAR

QUESTIONSTAR is a user-friendly online survey tool with advanced analytics and seamless integration with MS Office, ideal for all types of surveys.

Quickpay

Quickpay is a secure, reliable, and easy-to-use online payment gateway for businesses of all sizes.

Quickwit

Quickwit is a blazing-fast, scalable search and analytics engine for cloud storage, ideal for log management and distributed tracing.

Quintessence Research B.V. is a digital innovation project that develops solutions to enhance circular economy practices through research on product data management, supply chain transparency, and sustainable design.

A multiple-choice quiz platform with a results analysis interface.

Quobis Collaborator is an enterprise-grade unified communications platform offering video conferencing, instant messaging, and PBX integration with multiplatform support.

Quodari is a privacy-focused web application for organizing, sharing, and collaborating on content within groups, teams, or communities.

QuoIntelligence GmbH is a European threat intelligence provider delivering actionable, predictive cybersecurity insights through a tailored, AI-powered platform to help organizations stay ahead of evolving threats and comply with regulatory standards.

Radicale

Simple CalDAV and CardDAV server

Raidboxes Emails

Raidboxes Emails provides secure, reliable, and scalable email hosting with robust spam and virus protection, powered by Mailbox.org.

Rainbow Business Communication

Rainbow by Alcatel-Lucent Enterprise is a secure, all-in-one cloud communication and collaboration platform enhancing team collaboration and employee productivity.

Rainbow Office

Rainbow by Alcatel-Lucent Enterprise is a secure, all-in-one cloud communication and collaboration platform that enhances team collaboration and employee productivity.

Rancher

Rancher is a comprehensive, Open Source Kubernetes management platform that simplifies the deployment and operation of Kubernetes clusters across diverse environments.

RapidForge

RapidForge is a self-hosted, Open Source platform for rapid application development and workflow automation.

rapidmail

rapidmail is a user-friendly email marketing platform offering newsletters, transaction emails, and marketing automation tools for businesses of all sizes.

Rapid.Space provides a fully open, sustainable, and globally available 5G edge cloud platform with high-performance VPS, CDN, PaaS, and private 4G/5G services.

A global, high-performance HTTP2 Content Delivery Network (CDN) offering low latency and high availability for websites worldwide.

High-performance, dedicated virtual private servers with direct SSD access, a global CDN, and REST API for automation.

Rastertech is a web application that presents RasterTech's software suite for CAD, raster editing, and license management, offering product information, support, and resources.

RAUC

RAUC is a lightweight, secure, and flexible open source update client for embedded Linux devices, enabling reliable over-the-air firmware updates.

RAYONNANCE is a digital transformation company offering end-to-end mobility, traceability, and business process digitization solutions through integrated software, hardware, and services.

RcodeZero

RcodeZero DNS provides fast, simple, and resilient anycast DNS solutions for enterprises, ISPs, and registries.

React

React is a JavaScript library for building user interfaces, enabling efficient and reusable component-based development for web and native applications.