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Wintertrace
Passau, Germany
What it is
Wintertrace is a tool for winter service operators to document completed operations with GPS tracks, weather data, and photos, then generate PDF service proofs. Drivers can use the free OwnTracks app on Android or iOS to send location data directly to a Wintertrace installation over HTTPS, without an intermediate cloud. Weather is fetched automatically at the start and end of an operation; Open-Meteo is the default provider, with Bright Sky and MET Norway also available. A client portal lets customers view their operations and weather, optionally see GPS tracks, and download earlier proofs. Configurable email notifications cover operation starts, ends, and exceptions, with delivery through plain SMTP and a notification log. Data tools include driver-data anonymisation, configurable retention periods, and CSV and PDF export. The free, open-source core is listed as free under GNU AGPLv3, with no artificial driver, customer, or operation caps; hosting capacity is the limit. Self-hosting requires PHP 8.4.1 or newer, MySQL 5.7+ or MariaDB 10.3+, a cron job every minute, and disk space for the system and photos. Wintertrace documents work rather than managing orders, optimizing routes, or functioning as an ERP.
For and against
For
- Creates PDF proofs from operation records.
- Weather is fetched at operation start and end.
- Client portal supports proof downloads.
- No artificial driver, customer, or operation caps.
Against
- Self-hosting requires specific server software.
- A cron job must run every minute.
- It does not provide route planning.
- Free self-hosted edition has no service level agreement.
The verdict
Wintertrace focuses on documenting winter service work, with client access, exports, and configurable data controls. Operators should account for its self-hosting requirements and the absence of order, routing, and ERP functions.
Who it suits
It suits winter service operators who need records of operations and customer-accessible proofs. It is less suited to teams seeking order management, route optimization, or ERP functions.
Plans and prices
Free and open source core
Unlimited drivers, customers and operations; limited by hosting capacity · GNU AGPLv3
Read 7 Oct 2026 · wintertrace.com
On the record
- Audience and scope
- Wintertrace is aimed at winter service operators and focuses on documenting operations; it is not an order management system, routing optimiser or ERP.wintertrace.com · read 7 Oct 2026
- Customer portal
- Clients can log in to view their own operations, weather and optionally GPS tracks, and download past service proofs as PDFs.wintertrace.com · read 7 Oct 2026
- Data protection
- Core tools include driver-data anonymisation, configurable retention periods and full CSV and PDF export.wintertrace.com · read 7 Oct 2026
- Demo
- The site offers a real installation with every feature and module for 48 hours, after which it is deleted automatically.wintertrace.com · read 7 Oct 2026
- GPS
- The free OwnTracks app for iOS and Android sends location data directly to the installation over HTTPS, without an intermediate cloud.wintertrace.com · read 7 Oct 2026
- Hosting requirements
- The download page lists PHP 8.4.1 or newer, MySQL 5.7+ or MariaDB 10.3+, a cron job every minute and a few hundred MB of disk space plus photos.wintertrace.com · read 7 Oct 2026
- Limits
- The product states there are no artificial driver, customer or operation caps; hosting capacity is the limit.wintertrace.com · read 7 Oct 2026
- Maker
- Wintertrace describes itself as a private open-source project maintained by one person, Michael, in Passau, Germany.wintertrace.com · read 7 Oct 2026
- Notifications
- Configurable email notifications cover operation starts, ends and exceptions; delivery uses plain SMTP and includes a notification log.wintertrace.com · read 7 Oct 2026
- Purpose
- Wintertrace documents winter service operations by capturing GPS tracks, weather data and photos, then generating PDF service proofs.wintertrace.com · read 7 Oct 2026
- Security
- Updates are signed with Ed25519 and verified against a root key embedded in the application; admins approve updates manually.wintertrace.com · read 7 Oct 2026
- Support
- Support is by email; the maintainer typically replies within a few days when available, and the free self-hosted edition has no service level agreement.wintertrace.com · read 7 Oct 2026
- Weather
- Weather data is fetched automatically at operation start and end; Open-Meteo is the default provider, with Bright Sky and MET Norway also available.wintertrace.com · read 7 Oct 2026
