Alternatives Open-Source Open-Source Alternatives
Découvrez les alternatives libres aux logiciels propriétaires. Souveraineté, économies et contrôle total. Discover open-source alternatives to proprietary software. Sovereignty, savings and full control.
💰 Calculez vos économies 💰 Calculate Your Savings
Économies annuelles estimées Estimated annual savings
35,000 €
En migrant vers Nextcloud + Mattermost + OnlyOffice By migrating to Nextcloud + Mattermost + OnlyOffice
💬 Communication & Collaboration Communication & Collaboration
| Logiciel Propriétaire | Proprietary Software | Alternative Open-Source | Open-Source Alternative | Points Forts | Strengths |
|---|---|---|---|---|---|
| Slack | Mattermost, Rocket.Chat, Zulip | Chat d'équipe, intégrations, webhooks Team chat, integrations, webhooks | |||
| Microsoft Teams | Nextcloud Talk, Jitsi Meet | Visio + chat intégré Video + integrated chat | |||
| Zoom | Jitsi Meet, BigBlueButton | Visioconférence illimitée, enregistrement Unlimited video conferencing, recording | |||
| Google Meet | Jitsi Meet, Galène | Pas de limite de temps, confidentialité No time limit, privacy | |||
| Discord | Revolt, Element (Matrix) | Serveurs communautaires, vocal Community servers, voice |
📧 Email & Calendrier Email & Calendar
| Logiciel Propriétaire | Proprietary Software | Alternative Open-Source | Open-Source Alternative | Points Forts | Strengths |
|---|---|---|---|---|---|
| Gmail / Google Workspace | Zimbra, Mailcow, Mail-in-a-Box | Email + calendrier + contacts Email + calendar + contacts | |||
| Outlook / Exchange | Zimbra, SOGo, Kopano | Compatible Outlook, ActiveSync Outlook compatible, ActiveSync | |||
| Google Calendar | Nextcloud Calendar, Radicale | CalDAV, partage, sync mobile CalDAV, sharing, mobile sync |
📁 Stockage & Partage de Fichiers File Storage & Sharing
| Logiciel Propriétaire | Proprietary Software | Alternative Open-Source | Open-Source Alternative | Points Forts | Strengths |
|---|---|---|---|---|---|
| Google Drive | Nextcloud, Seafile, ownCloud | Sync desktop, mobile, partage Desktop sync, mobile, sharing | |||
| Dropbox | Nextcloud, Syncthing, Seafile | Versioning, chiffrement Versioning, encryption | |||
| OneDrive | Nextcloud, FileCloud | Intégration Office, collaboration Office integration, collaboration |
📝 Suite Bureautique Office Suite
| Logiciel Propriétaire | Proprietary Software | Alternative Open-Source | Open-Source Alternative | Points Forts | Strengths |
|---|---|---|---|---|---|
| Microsoft Office 365 | LibreOffice, OnlyOffice, Collabora | Compatible .docx, édition simultanée Compatible .docx, simultaneous editing | |||
| Google Docs | OnlyOffice, Collabora Online, CryptPad | Édition collaborative temps réel Real-time collaborative editing | |||
| Adobe Acrobat | LibreOffice Draw, Stirling-PDF | Édition PDF, signatures PDF editing, signatures |
📊 Gestion de Projet Project Management
| Logiciel Propriétaire | Proprietary Software | Alternative Open-Source | Open-Source Alternative | Points Forts | Strengths |
|---|---|---|---|---|---|
| Jira | Taiga, OpenProject, Plane | Agile, Scrum, Kanban, Gantt Agile, Scrum, Kanban, Gantt | |||
| Asana | Taiga, Wekan, Planka | Tâches, timeline, automatisation Tasks, timeline, automation | |||
| Trello | Wekan, Planka, Focalboard | Kanban, drag & drop Kanban, drag & drop | |||
| Monday.com | OpenProject, Taiga | Gantt, ressources, budget Gantt, resources, budget | |||
| Notion | AppFlowy, Affine, Outline | Wikis, docs, bases de données Wikis, docs, databases |
💼 CRM & Ventes CRM & Sales
| Logiciel Propriétaire | Proprietary Software | Alternative Open-Source | Open-Source Alternative | Points Forts | Strengths |
|---|---|---|---|---|---|
| Salesforce | SuiteCRM, Odoo CRM, EspoCRM | Pipeline, automation, reporting Pipeline, automation, reporting | |||
| HubSpot | Mautic, SuiteCRM | Marketing automation, leads Marketing automation, leads | |||
| Pipedrive | EspoCRM, SuiteCRM | Pipeline visuel, app mobile Visual pipeline, mobile app |
🔐 Sécurité & VPN Security & VPN
- NordVPN → WireGuard, OpenVPN
- 1Password → Vaultwarden, KeePass
- LastPass → Vaultwarden, Passbolt
📈 Analytics & BI Analytics & BI
- Google Analytics → Matomo, Plausible
- Tableau → Metabase, Superset
- Power BI → Metabase, Redash
🤖 Marketing Automation Marketing Automation
- Mailchimp → Mautic, Listmonk
- SendGrid → Postal, Mailtrain
- ActiveCampaign → Mautic
🎨 Design & Créatif Design & Creative
- Photoshop → GIMP, Krita
- Illustrator → Inkscape
- Figma → Penpot
Prêt à migrer vers l'open-source ? Ready to migrate to open-source?
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