AbuseIPDB - AbuseIPDB is an IP address blacklist for webmasters and sysadmins to report IP addresses engaging in abusive behavior on their networks, or check the report history of any IP.
glogg - glogg is a multi-platform GUI application to browse and search through long or complex log files.
Metadefender - Metadefender, by OPSWAT, allows you to quickly multi-scan your files for malware using 43 antivirus...
klogg - klogg is the fork of glogg - the fast, smart log explorer.
Joe Sandbox - Automated Malware Analysis - Development and Licensing of Automated Malware Analysis Tools to Fight Malware
LogViewPlus - Looking for a better log viewer? LogViewPlus is a professional log file viewer that can parse, read, tail, merge and analyze log files in any format. Remote log files (SFTP) and large files are supported. Easy configuration.