Really fast log explorer based on glogg project

Real-time HTTP Intrusion Detection

Rails logs analyzer (see how fast your views are rendering)

Logbert is an advanced log message viewer for log4net, log4j and others.

LogAnalyzer is a tool that helps you to analyze your log files by reducing the content with patterns you define.

Extract patterns from unstructured log messages

Salesforce Apex debug log analyzer for VS Code - blazing-fast: flame charts, SOQL/DML, Apex insights & more

Log Viewer for Log4j/NLog

Утилита для табличного просмотра логов технологического журнала 1С (и не только).

Terminal log analyzer built in Rust with instant filtering, structured field parsing, compressed file support, Docker/OTel streaming, and MCP integration.

Very basic CLI SIEM (Security Information and Event Management system).

MaaFramework 可视化日志分析工具

WinLog Insight, an offline Windows log analyzer, gathers system, security and application logs. Its 90 built-in rules spot brute force, abnormal privilege escalation and other threats. It provides visual risk panels, real-time alerts and one-click PDF/Excel audit reports, storing all logs locally.

FIX Log Viewer allows you to view FIX logs

An SDK and Tool that allows you to analyse, sort, filter, and search your logs. The added value is that all data is stored in Java objects that can be used for other purposes such as: assertions, reporting, automated decision making.

Web log analyzing tool

MySQL slow query log analyzer and performance reporting tool

Turn log files into a dashboard in seconds.

Lusan: Control Plane for Designing and Debugging Areg-Based Distributed Systems

Fast, zero-dependency access log analyzer, security threat inspector, and TUI dashboard for Caddy v2