BlueSpice is an open-source enterprise wiki and knowledge management platform based on MediaWiki, offering a European alternative for secure, compliant, and sovereign knowledge infrastructures.

Bonita

Bonita is an Open Source, low-code platform for designing, automating, and optimizing business processes.

BorgBackup is a deduplicating backup program with compression and authenticated encryption for efficient and secure data backups.

BorgWarehouse is a fast and modern web UI for managing a central BorgBackup repository server.

Budibase

Budibase is an Open Source, low-code platform for rapidly building and deploying internal tools and automating workflows.

Bugfender

Bugfender is a remote logger, crash reporter, and in-app user feedback tool for mobile and web application developers that helps track and resolve bugs efficiently.

Bugzilla

Official repository for the Bugzilla bug tracking system.

Buildbot

Python-based continuous integration testing framework

BunkerWeb

BunkerWeb is an Open Source, next-generation Web Application Firewall (WAF) that protects web services by acting as a reverse proxy and blocking attacks before they hit.

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.

CaptchaFox

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

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.