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Open Log Viewer vs Retrospective Log Analyzer: catalog facts
Open Log Viewer	Retrospective Log Analyzer
Free Free and open source under GPL-3.0-or-later.	Paid Commercial software; pricing is available on the developer’s pricing page.
Windows, macOS, Linux	Windows, macOS, Linux
Opens multiple log files in tabs Follows changes to log files	Collects logs from Docker and Kubernetes alongside files Fetches remote logs over SSH
Desktop app built with Electron	Uses kubectl to access Kubernetes container logs.
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0-or-later	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 8, 2026

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