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PingPlotter vs OpenTrace: catalog facts
PingPlotter	OpenTrace
Freemium Free tier available; paid plans unlock longer history and more targets.	Free Free and open source under the GPL-3.0 licence.
Windows, macOS	Windows, macOS, Linux
Hop-by-hop view pinpoints where in the route problems occur Long-running timeline view catches intermittent issues	Visual display of traceroute hops Runs on Windows, macOS and Linux
Free tier is limited compared to paid plans Diagnosing root cause still often requires ISP cooperation	Focused on route tracing only Documentation is partly in Chinese
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.