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DebugView++Klogg
Free

Free and open source under the Boost Software License.

 Free

Free and open source.

Windows macOS, Linux
  • Filtering and highlighting of log lines
  • Collects debug output and log files in one view
  • Handles very large log files quickly
  • Separate pane for search and filter matches
  • Windows only
  • No releases listed on the GitHub releases page
  • Release activity is infrequent
  • Focused on viewing and searching, not log collection or aggregation
Downloadable app Downloadable app
Open source Open source
License: BSL-1.0 License: GPL-3.0
No account needed No account needed
Works offline Works offline

Checked October 2, 2026

Checked October 1, 2026

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