Cachet

Cachet is an Open Source status page system that helps organizations communicate downtime and maintenance transparently and efficiently.

Caddy

Caddy is a secure, easy-to-use, and highly scalable web server that automates HTTPS certificate management and simplifies infrastructure.

cAdvisor

cAdvisor is a container resource usage monitor providing detailed insights into container performance and resource allocation.

CAERP

CAERP is an Open Source management software for Employment Assistance Centers.

cal.com

Cal.com: The better way to schedule your meetings, offering a fully customizable experience for individuals and businesses.

Calendar.online: A secure and versatile online calendar for individuals and teams, easily shared via access links and boasting robust features.

Captcha

Captcha.eu provides invisible, GDPR-compliant bot protection for websites and applications, ensuring privacy and security without user interaction.

CaptchaFox

CaptchaFox is a privacy-focused bot detection service that protects websites from malicious bots and spam while providing a seamless user experience.

Carts Guru

Carts Guru is a multichannel marketing automation platform designed for e-commerce growth, enabling businesses to reach customers effectively, automate campaigns, and analyze results for data-driven decision-making.

Casdoor

Casdoor is an Open Source, UI-first IAM/SSO platform supporting OAuth 2.0, OIDC, SAML, and more.

CentOS

CentOS is a community-driven Open Source Linux distribution known for its stability, reliability, and compatibility with Red Hat Enterprise Linux.

Centreon

Centreon is an open, scalable, and business-oriented IT and OT monitoring platform that provides complete visibility into digital performance and reduces downtime.

Ceph

Ceph is an Open Source, distributed storage system providing a unified, scalable, and highly reliable storage solution built from commodity hardware.

Cert Warden

Cert Warden is a centralized ACME certificate manager that simplifies PKI management by automating certificate renewals and providing a secure, user-friendly interface.

CFEngine

CFEngine is a versatile automation platform for infrastructure management, security, and compliance, available in Open Source and commercial versions.

Chamilo

Chamilo is a free, Open Source Learning Management System (LMS) that simplifies online training and education.

Chatwoot

Chatwoot is an Open Source, omnichannel customer support platform that helps businesses manage conversations, build relationships, and delight customers at scale.

Checkmk

Checkmk is a powerful and scalable IT monitoring platform that helps you monitor your entire IT infrastructure, from cloud to on-premises, to optimize performance and reduce downtime.

Chirpy

Chirpy is an Open Source, privacy-friendly comment system for building better online communities.

Chocolatey

Chocolatey is a modern package manager for Windows enabling streamlined software automation and deployment.

cidaas

cidaas is a leading cloud-based Customer Identity and Access Management (CIAM) platform providing secure and seamless user authentication and authorization.

Citadel TEAM is a secure, end-to-end encrypted messaging, audio, and video conferencing SaaS solution hosted in France for professional communications.

This module integrates CiviCRM with Drupal 8, allowing nonprofits to manage constituent relationships within their Drupal websites.

This project provides a seamless integration of CiviCRM into Drupal 7, combining the strengths of both platforms for improved CRM functionality.