Projects sharing features with Mtail

This library provides a toolkit for instrumenting Go applications with performance metrics, enabling the tracking of counters, gauges, and timers. It serves as a foundational framework for recording application behavior and resource usage, offering thread-safe primitives to manage the lifecycle of these instruments within a central registry. The system distinguishes itself through a high-performance design that utilizes atomic operations to track event frequencies, avoiding the overhead of mutex locks during execution. It employs snapshot-based sampling to capture point-in-time data, ensuring

OpenTelemetry PHP is a standard-compliant observability framework designed to instrument applications for the collection and export of telemetry data. It provides a comprehensive suite of tools for capturing traces, metrics, and logs, enabling developers to monitor operational behavior and system performance in real time. The project distinguishes itself through an interface-driven plugin architecture that allows for the modular configuration of exporters, processors, and samplers. To maintain performance in production environments, it supports the use of native binary extensions for data ser

Gatus is a service health monitoring tool and automated status page that tracks the availability and performance of endpoints. It functions as a multi-protocol uptime monitor, validating service health through response conditions, certificate expiration checks, and multi-step workflow executions. The system distinguishes itself by supporting a wide range of communication standards including HTTP, TCP, UDP, WebSocket, gRPC, and DNS. It enables the creation of developer-oriented dashboards that display real-time uptime, publish incident announcements, and generate dynamic uptime badges for exte

Logrus is a structured logging library for Go that produces machine-readable output using key-value pairs and JSON formatting. It serves as a pluggable logging framework providing a thread-safe event logger with configurable mutex locking to manage concurrent writes across multiple goroutines. The project distinguishes itself through a pluggable hook system that routes log entries to external services or custom destinations. It also features a contextual logger capable of attaching persistent metadata and request-scoped fields to entries to improve traceability. The framework covers broad ob

Uptrace is an OpenTelemetry-based observability platform designed to collect, store, and analyze distributed traces, metrics, and logs. It functions as a centralized logging backend, a distributed tracing system, and a metrics engine to monitor application performance and system health. The platform is distinguished by AI-powered operational capabilities, allowing users to query telemetry data and manage monitoring dashboards using natural language. It specifically includes specialized monitoring for generative AI pipelines, tracking token usage and response quality for LLM interactions and r

Loguru is a Python logging library and thread-safe framework designed for recording system events and diagnostic messages. It functions as a structured logging tool that can serialize messages into JSON strings with metadata for automated parsing and analysis. The library includes a specialized exception tracker that captures unhandled crashes across main and background threads, rendering detailed stack traces that include local variable values. It further distinguishes itself through a unified routing pipeline that can intercept messages from the standard library logging module and dispatch

LLM Guard is a security firewall and guardrail framework designed to scan and sanitize inputs and outputs for large language models. It functions as a proxy gateway and security layer to block prompt injections, toxicity, and sensitive data leakage while ensuring that model interactions remain compliant with organizational policies. The system distinguishes itself through a modular scanner pipeline that utilizes local model orchestration to eliminate external network dependencies. It supports real-time security filtering via streaming chunk analysis and implements a fail-fast execution model

The AWS Cloud Development Kit is an infrastructure-as-code framework that enables developers to define and provision cloud resources using familiar programming languages. By utilizing construct-based synthesis, it translates high-level, object-oriented code into declarative templates, allowing for the automated management of complex cloud environments through a centralized, code-driven control plane. The framework distinguishes itself through its ability to model infrastructure as a dependency-aware resource graph, ensuring that components are provisioned and updated in the correct order. It

Oncall is an incident response management platform designed to coordinate alert routing, on-call scheduling, and incident resolution workflows. It functions as an alert routing and escalation engine that directs notifications to responders using rule-based deduplication and conditional escalation policies. The system includes a multi-channel notification gateway for delivering urgent alerts via SMS, push notifications, and chat platforms, featuring the ability to bypass device silence settings. It also serves as an on-call scheduling system that manages team rotations and availability through

sd is a command line text manipulation utility designed for searching and replacing text patterns across multiple files. It functions as a regex-based find and replace tool that allows for in-place file editing directly from the terminal. The project supports both regular expression replacements, including the use of capture groups for complex transformations, and fixed string replacement for literal text substitutions. It specifically handles multi-line text replacement by processing file contents as single blocks to match patterns that span across newline characters. The tool provides capa

toolong is a terminal log viewer and TUI log manager designed for monitoring live log streams and navigating large log files. It functions as a log aggregator and JSONL formatter, capable of merging multiple log files into a single chronological view by automatically detecting timestamps. The application supports the visualization of structured data by pretty printing JSONL files and applying syntax highlighting to common web server log patterns. It handles large-scale data efficiently through virtual-sized scrollable views, allowing users to open compressed logs or files of any size without

Sprig is a comprehensive library of helper functions designed to extend the Go text template engine. It provides a wide array of custom functions that can be injected into the engine to enable complex data manipulation and logic directly within templates. The project offers specialized capabilities for cryptography, including the generation of private keys, X.509 certificates, and secure password hashes. It also includes advanced logic extensions for semantic versioning comparison, ternary evaluations, and the resolution of environment variables from the host operating system. The library co

ngxtop is a real-time web server dashboard and traffic analyzer that transforms raw Nginx access logs into immediate visual metrics. It functions as a live monitor for tracking request rates, response codes, and bandwidth usage by parsing server logs as they are written. The tool extracts performance data from combined, common, and JSON log structures. It uses these parsed logs to identify high-traffic endpoints and server error patterns for troubleshooting. The system processes log streams through a pipeline that includes schema-based extraction, record filtering via evaluatable expressions

lnav is a terminal-based log viewer and analyzer designed for aggregating, filtering, and analyzing multiple log files in a single chronological view. It functions as a console application that can replace the system pager, providing syntax highlighting and document navigation for system or application logs. The project distinguishes itself by mapping unstructured log data to virtual SQLite tables, enabling the use of SQL and PRQL for structured data analysis, aggregations, and relational queries. It further differentiates its capability set through native integration for retrieving and taili

Search-Replace-DB is a MySQL search and replace tool designed for updating database strings and migrating PHP-based websites and content management systems. It functions as a database migration utility to update references and table engines when moving sites to new servers or domains. The project specifically handles the updating of text inside serialized PHP arrays and objects, recalculating lengths to maintain data structure integrity and prevent corruption. It also includes a converter for modifying storage engines and character collations across multiple MySQL tables. Additional capabili

JSON5 is a parser and serializer for a human-readable configuration format that extends JSON. It serves as a JavaScript-based data parser that allows for a more flexible version of the JSON specification to simplify manual editing of data files. The project provides capabilities to support comments, trailing commas, and multi-line strings. It includes utilities to convert this extended syntax into standard JSON for compatibility with tools requiring strict specifications. The library covers data serialization, string parsing, and structural syntax validation. It also provides integration for

Nezha is a multi-server infrastructure monitor and website uptime monitor that provides a centralized dashboard for tracking real-time resource utilization and system health. It functions as a protocol server and alerting engine, utilizing remote agents to collect telemetry data across multiple operating systems. The system distinguishes itself with a web-based remote administration interface, allowing users to execute maintenance commands and manage scheduled tasks on remote hosts via a browser-based terminal. It also integrates a Model Context Protocol server to provide a secure HTTP entry

HaE is a network traffic analysis tool designed to extract, classify, and highlight specific data fragments within network messages and HTTP traffic. It functions as an HTTP data extractor and traffic content filter, utilizing a network metadata aggregator to centralize highlighted data fragments and annotations for analysis. The tool identifies high-value network packets by mapping classification results to visual color markers and employs a modular classification system to isolate data fragments from binary or text streams. It distinguishes the severity of matched data by piping extracted c

Tailspin is a regex-based text colorizer and terminal log viewer designed to transform plain text streams into colorized output. It functions as a command line log highlighter and tailer that applies syntax highlighting to logs using regular expressions. The tool distinguishes itself through its ability to monitor files in real time and pipe live output through a highlighter. It recognizes and colors common data types such as IP addresses, UUIDs, HTTP methods, JSON objects, dates, and memory pointers. Users can define custom highlight styles and regex patterns to assign specific colors to uni

Knwl.js is a JavaScript named entity recognition library and text entity extractor. It functions as an extensible text parsing engine designed to scan unstructured strings for specific data patterns and convert them into structured information. The engine utilizes a modular framework that allows for the recognition of custom data types. This is achieved through a plugin system for language pattern matching, enabling the integration of custom logic to identify unique data types within text. The library identifies and isolates entities such as dates, times, phone numbers, emails, and locations

Apkleaks is a static analysis tool and security auditor designed to extract hardcoded secrets, API endpoints, and sensitive data from Android application packages. It operates as a secret scanner that analyzes compiled binaries without executing them to identify potential information leaks and insecure endpoints. The tool utilizes a regex-based data extraction engine to identify sensitive strings within decompiled code. It supports customization through JSON-defined search patterns and provides configuration flags to tune the behavior of the underlying disassembler. The analysis pipeline enc

todo-comments.nvim is a Neovim plugin and codebase task navigator that highlights and manages task keywords within code comments. It functions as a Lua-based highlighter and workflow extension that aggregates pending work and notes from source code into a searchable project list. The plugin provides visual tracking of task comments using custom syntax highlighting and allows for jumping between these markers within a file. It enables project-wide task management by searching for tagged comments across multiple files to organize a development roadmap.

Write-good is a command-line text analysis tool and English prose linter designed to identify grammatical errors and stylistic weaknesses. It functions as a readability optimization tool that scans documents to identify passive voice and wordy phrases. The system serves as a customizable prose style checker, allowing for the definition of specific language rules and forbidden terms to enforce project-specific writing guidelines. The tool provides capabilities for automated text analysis, style guide enforcement, and technical writing quality improvement. It supports the integration of custom

ActiveLabel.swift is a rich text parsing library and interactive text label for iOS. It functions as a replacement for standard labels, identifying specific text patterns within strings and applying distinct visual styles to recognized entities. The project enables the detection and highlighting of hashtags, mentions, and URLs using a custom regular expression text recognizer. It allows for the definition of project-specific text patterns and uses predicate-based filtering to determine if detected entities should be highlighted or ignored. The system manages user interaction through entity t

This is a Vim plugin that adds simultaneous multi-selection and parallel editing capabilities to the editor. It functions as a multi-cursor tool and regex-based batch editor, allowing users to perform the same editing action across multiple locations in a buffer at once. The extension enables the placement of virtual cursors across a document using regular expressions or by identifying all occurrences of a word. It also allows for the generation of cursors on every line within a visual selection to facilitate multi-line block editing. The tool supports synchronized character insertion and pa

ngxluawaf is an OpenResty web application firewall that uses Lua to filter malicious HTTP requests and block web attacks. It operates as a programmable request filter and IP access controller for Nginx, providing a security layer to identify and block unauthorized scanners, fuzzing attempts, and abnormal network requests. The project includes capabilities for HTTP layer 7 DDoS mitigation by restricting request frequency per IP address. It further secures the environment by restricting access to sensitive archives and blocking script execution in upload directories to prevent data leakage.

This project is a comprehensive collection of pre-commit hooks designed to automate code linting, style enforcement, and file validation before changes are committed to version control. It provides a suite of ready-to-use scripts that serve as quality guards, including static analysis hooks, configuration file validators, and tools for maintaining version control integrity. The collection distinguishes itself by offering specialized guards for repository health and security. This includes detection of leaked credentials and private keys, prevention of large file commits, and enforcement of br