-
InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
OWAMP is even a standardized protocol (RFC 4656).
For the record, there is another tool that can perform such kind of one-way measurement called https://github.com/heistp/irtt .
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.