openchantier - 2026 Pricing, Features, Reviews & Alternatives

OpenChantier is a cloud based project management and business administration solution designed for construction tradespeople and contractors across various building trades. It consolidates all project information from quotation through invoicing into a single accessible platform. The solution addresses fragmented workflows by centralizing site documentation, time tracking, materials management and financial processes within a unified system that functions on mobile devices at job sites and on desktop computers in office environments.

The platform offers comprehensive project management capabilities that include project creation with assignable tasks, automated progress tracking and ready to use templates for rapid setup. The photo and document management feature captures timestamped photographs directly from job sites and organizes them automatically by project within a centralized storage system. Clients can view shared progress logs that combine visual documentation and project notes in real time.

The financial management module generates online signable quotes, compliant PDF invoices, deposit documentation and credit notes with automatic numbering and tax calculation. It supports Factur-X format for France, ZUGFeRD format for Germany and Peppol BIS three point zero format for European Union compliance according to the EN 16931 standard. Real time profitability tracking monitors materials, expenses and labour costs per project to calculate actual margins beyond initial estimates. A visual planning interface enables deadline tracking across teams and configurable roles and permissions support collaboration with colleagues and subcontractors. A client portal provides a single link for progress updates, quote signing and communication without account creation. Automated payment reminders dispatch notifications at predetermined intervals with integrated payment links and receipt generation.

The software operates as a standalone software as a service solution with data hosted exclusively on European Union servers in Frankfurt, Germany under end to end TLS encryption. The system adheres to strict GDPR requirements with full data export and deletion capabilities available to users. A mobile application under development for iOS and Android devices will offer offline mode functionality, allowing photos to be taken, hours to be logged and notes to be created without network connectivity with automatic synchronization upon reconnection. No external accounting system integration is required for core functions while electronic invoicing transmission through approved platforms is integrated. A European based support team is reachable by email with a twenty four working hour response time. The platform maintains EU data sovereignty and no exposure to US Cloud Act provisions.