Open-source alternatives to HeliumLogger

XCGLogger is a logging framework for Swift applications designed to capture events and system state for debugging and troubleshooting. It automatically includes metadata such as timestamps, line numbers, function names, and filenames in every log entry. The framework minimizes CPU overhead through deferred string evaluation, which delays expensive interpolation until the active log level is verified. To prevent blocking the main execution thread during I/O tasks, it utilizes an asynchronous log router that offloads writing operations to background queues. The system supports multi-destinatio

CleanroomLogger provides an extensible Swift-based logging API that is simple, lightweight and performant

:closed_book: Swift Logging Utility for Xcode & Google Docs

spdlog is a high-performance C++ logging library designed to record diagnostic messages and application events. It serves as an asynchronous logging framework and thread-safe library that coordinates access across concurrent threads to maintain message integrity. The project functions as a multi-target log router, distributing single events to multiple destinations such as consoles, files, and system daemons. It includes a log rotation manager that handles file lifecycles through basic, rotating, or daily rollover strategies to prevent disk exhaustion. The library covers a broad range of cap

A fancy logger yet lightweight, and configurable. 🖨

An OkHttp interceptor which has pretty logger for request and response. +Mock support

Hugo is an annotation-based debugging tool and Java method logging library. It functions as a method execution tracker that records method arguments, return values, and execution durations during application runtime. The project differentiates itself by using annotation-driven instrumentation and bytecode-level aspect injection to capture telemetry without requiring manual print statements. It employs post-compilation bytecode manipulation and aspect-oriented wrapping to insert interception logic around annotated method boundaries. The library covers observability and monitoring capabilities

Timber is an extensible logging framework and wrapper for Android applications. It provides an interface that extends the standard Android logging class to enable customizable output destinations and routing logic. The system uses a tree-based dispatch model and a plugin system to direct log messages to multiple external handlers. This allows for custom log routing to external services or files based on the current environment or specific criteria. The project includes tools for monitoring and observability, specifically a performance validator that analyzes logging calls to detect inefficie

A fast & lightweight approach to logging in R based on the widely-emulated Apache Log4j project.

Embedded logging absent of runtime errors

Willow is a powerful, yet lightweight logging library written in Swift.

Oaxoa.github.io

Delightful console output for Swift developers.

This Android logging library is a toolkit for printing formatted, stylized, and filtered debug messages to the Android console and local files. It functions as a console log styler, a log file writer, and a formatter for converting complex data into human-readable text. The library provides specific utilities for customizing the visual appearance of logs by tracking thread information and call depth. It includes capabilities for converting JSON, XML, and collection data into readable formats and saving console entries to local files for offline analysis. The system covers broader log managem

Clear console logging for every browser

:ledger: Minimal lightweight logging for JavaScript, adding reliable log level methods to wrap any available console.log methods

Portable, simple and extensible C++ logging library

A flexible logging library written in Swift

A simple Swift package for measuring and reporting the time taken for operations

SwiftyBeaver is an extensible logging framework for Swift that routes log output to multiple destinations simultaneously, including the Xcode console, local files, and remote cloud services. It supports recording messages at distinct severity levels with corresponding visual styling, and can attach arbitrary contextual data such as numbers, arrays, or dictionaries to log entries without requiring manual string conversion. The framework distinguishes itself through destination-based log routing, where each output target can have its own independent format and filter configuration managed by a

Customizable Console UI overlay with debug log on top of your iOS App

Shows your current framerate (fps) in the status bar of your iOS app

TraceLog is a highly configurable, flexible, portable, and simple to use debug logging system for Swift and Objective-C applications running on Linux, macOS, iOS, watchOS, and tvOS.

Class for logging excessive blocking on the main thread