Useful links

French associations :

• ACSEL: Association pour le Commerce et les Services En Ligne : https://www.acsel.eu/
• AFNum : AFNum is the French Digital Association: https://www.afnum.fr/
• AGIT : Alliance Green IT : https://alliancegreenit.org/
• AOTA Association of Alternative Telecom Operators: https://www.aota.fr/
• Académie Technologies : https://www.academie-technologies.fr/
• AlternativeTelecom : https://www.alternativetelecom.fr/
• Avicca: Association des Villes et Collectivités pour les Communications électroniques et l'Audiovisuel: https://www.avicca.org/
• Digital League : https://digital-league.org
• Euclidia : https://www.euclidia.eu/
• FFT Fédération Française des Télécom : https://www.fftelecoms.org
• FIEEC: Fédération des Industries Electriques, Electroniques et de Communication : https://www.fieec.fr/
• FR-Nog: French Network Operators Group : https://www.frnog.org
• France Datacenter : https://www.francedatacenter.com/
• Hexatrust : https://www.hexatrust.com
• Infranum : https://infranum.fr/
• Institut Numérique Responsible : https://institutnr.org/
• Numeum : https://numeum.fr/en
• Ofitem: French association of mobile telephony infrastructure operators: https://ofitem.fr/
• Quadrature du net : https://www.laquadrature.net/
• ADIRA AURA Region : https://www.adira.org/
• PACA CIP region : https://www.cip-paca.org/
• CRIP France region : https://www.crip-asso.fr
• SYCABEL: Syndicat professionnel des fabricants de fils et de câbles électriques et de communication : https://www.sycabel.com/
• Teratec : https://www.teratec.eu/

International associations :

• CISPE: Cloud Infrastructure Services Providers in Europe : https://cispe.cloud/
• DigitalEurope : https://www.digitaleurope.org/
• EUDCA : https://eudca.org
• Euro IX : https://euro-ix.net
• EuroCloud : https://eurocloud.fr
• EuropaCloudAlliance : https://www.europeancloudalliance.com/
• Gaia-X : https://gaia-x.eu/
• ISOC Internet Society : https://www.internetsociety.org
• Open IX : https://www.oix.org/
• Openinternet pro project European association : https://www.openinternetproject.eu/

Collaborative suites and office tools

• LibreOffice Complete office suite, alternative to Microsoft Office, multiplatform (Windows, macOS, Linux)
• OnlyOffice  Online office collaboration, compatible with MS Office formats
• Collabora Online Cloud and enterprise version of LibreOffice, integrated with Nextcloud or OwnCloud
• The Digital Suite   : A set of sovereign collaborative tools for French administrations

Cloud, file storage and sharing

• Nextcloud  Personal and collaborative cloud platform (alternative to Google Drive, Dropbox, etc.)
• Seafile Robust, self-hosted file synchronisation and sharing solution

Messaging and diaries

• Thunderbird Free e-mail client with integrated calendar
• Mailo  : Ethical French e-mail service with no data resale
• ProtonMail, Tutanota  : European encrypted e-mail safes
• Ecomail : Eco-responsible 100% French email service

Automation, workflow, integration

• n8n  : Automation of data flows and APIs, open source alternative to Zapier, self-hosted possible
• Talaxie : ETL/open source data management for integration and transformation

Document management

• Alfresco Community or Nuxeo : Open source EDM (electronic document management)

Collaboration tools

• Jitsi Meet Free self-hosted videoconferencing (alternative to Zoom, Teams)
• Mattermost, Rocket.Chat Team instant messaging, self-hosted (Slack/Teams alternative)
• Framateam Mattermost Instance managed by Framasoft
• Mobilizon : Event and registration management, federated

Web browsers and confidentiality

• Mozilla Firefox Open source, cross-platform browser, privacy leader
• Brave : Privacy-focused browser
• Qwant , SearxNG  European/open source search engines with an eye to privacy

Security, access management and encryption

• KeePassXC, Bitwarden Open source password managers
• OpenVPN, WireGuard : Open source VPN
• GnuPG  : Encrypting and signing emails

Cartography, graphics, multimedia

• GIMP : Photo/image retouching, an alternative to Photoshop
• Inkscape : Vector drawing, an alternative to Illustrator
• LibreCAD  , QGIS 2D CAD (technical drawings), GIS/Mapping

System and network administration

• OCS Inventory NG : Inventory and management of IT assets
• GLPI IT Service Management and Helpdesk

Taking notes

• Joplin Note-taking, multi-platform synchronisation, open source
• Trilium Notes  : Hierarchical notes with rich editing and self-hosting

Other Reference Systems

• Comptoir du Libre Directory of public sector and sector-specific business software
• SILL (Interministerial Open Source Software Base) : Recommended official directory for the French administration, very up-to-date
• Open source and digital commons cluster Catalogues, resources and support for French administrations

Note:
There are a number of recent platforms that list, verify and continuously evaluate European alternative solutions (cloud services, security, collaborative working, etc.), including European Alternatives.

These tools are available, actively developed, robust and, for the most part, referenced by the French government, the open source community and sovereign digital players.