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- Davical - https://gitlab.com/davical-project/davical - PHP - sabre/dav - https://github.com/sabre-io/dav - PHP - radicale - https://github.com/Kozea/Radicale - Python
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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- Davical - https://gitlab.com/davical-project/davical - PHP - sabre/dav - https://github.com/sabre-io/dav - PHP - radicale - https://github.com/Kozea/Radicale - Python
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- Davical - https://gitlab.com/davical-project/davical - PHP - sabre/dav - https://github.com/sabre-io/dav - PHP - radicale - https://github.com/Kozea/Radicale - Python
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- JMAP is the likely successor to CardDav https://jmap.io/