Open-source alternatives to Btop

Bashtop is a terminal-based system monitor and resource dashboard for Unix systems, including Linux, macOS, and FreeBSD. It provides a text-user interface for tracking real-time hardware performance and managing system processes. The tool functions as a hardware dashboard that visualizes processor, memory, disk, and network usage. It includes process management capabilities that allow users to filter, sort, and terminate active system tasks directly from the command line. Users can customize the visual appearance and behavior of the monitor through integrated menus or local configuration fil

Atuin is a command-line tool that replaces standard shell history with a searchable, encrypted SQLite database. By hooking into shell initialization scripts, it provides an interactive, keyboard-driven interface for real-time command filtering and retrieval. The platform ensures data privacy through a client-side encryption layer, securing sensitive history and configuration data before it is synchronized across multiple machines. Beyond history management, Atuin functions as an executable documentation platform that enables teams to create and share interactive runbooks. These documents use

nvtop is a terminal-based dashboard used for monitoring the performance, memory usage, and temperature of multiple graphics processors and hardware accelerators. It functions as a centralized administration tool to track the health and compute load of several devices across a single system. The tool distinguishes itself by correlating system process IDs with hardware resource consumption, allowing users to identify specific applications consuming GPU resources. It employs a vendor-agnostic abstraction layer to support hardware from multiple different manufacturers within a single interface.

LACT is an AMD GPU control suite and performance tuner for Linux systems. It functions as a GPU hardware monitor and management interface designed to optimize VRAM and processor frequencies through offsets and custom power profiles. The project utilizes a client-server architecture, allowing a graphical interface to monitor and control graphics hardware over a network connection via a background daemon. This remote management capability enables users to manage hardware on distant machines from a centralized interface. The suite covers hardware tuning for overclocking and undervolting, power

Redox is a POSIX-compliant, microkernel-based operating system written entirely in Rust. By utilizing a memory-safe language for the kernel and all system components, the project eliminates common vulnerabilities such as buffer overflows and use-after-free errors. Its architecture relies on a minimal kernel that manages only essential hardware and process isolation, delegating all other system services to unprivileged user-space processes. The system distinguishes itself through a modular design where hardware drivers and system services run as independent user-space daemons, allowing them to

This library provides a cross-platform toolkit for retrieving system metrics and managing processes. It functions as a unified interface for accessing low-level hardware and operating system data, allowing developers to monitor CPU, memory, disk, and network usage across diverse computing architectures without requiring external dependencies. The project distinguishes itself through its ability to maintain consistent data structures across different operating systems by parsing native system headers and wrapping low-level system calls. It includes specialized support for containerized environ

Helix is a terminal-based modal text editor designed for efficient code manipulation and navigation. It centers on a selection-first editing model, where operations are performed on active ranges rather than individual cursor positions, allowing for precise control over text and code structures. The editor distinguishes itself through deep integration with structural parsing and language intelligence. By utilizing an incremental parsing library, it builds concrete syntax trees that enable advanced features like structural code navigation, intelligent indentation, and syntax-aware text object

Lazydocker is a terminal-based command-line utility that provides an interactive dashboard for monitoring and controlling containerized environments. It functions as a text-based user interface, allowing users to manage containers, images, and volumes directly within a terminal emulator through keyboard-driven navigation. The tool distinguishes itself by replacing manual command-line sequences with a unified workspace that communicates directly with the Docker daemon via the local Unix domain socket. It maintains state synchronization by listening to real-time container events and utilizes co

Procs is a high-performance system process monitor and viewer written in Rust. It serves as a replacement for the ps command, providing a command-line interface to track active system processes and their associated CPU and memory metrics. The tool is distinguished by its container awareness, which maps system tasks to their corresponding Docker container names. It also features an interactive process tree to visualize parent and child relationships in a hierarchical layout and a JSON exporter for programmatic data analysis and automation. The monitoring surface includes real-time activity tr

This project provides a comprehensive guide and set of architectural patterns for developing professional command-line interfaces using Node.js. It focuses on establishing industry standards for terminal-based applications, ensuring that tools are predictable, maintainable, and user-friendly. The guide emphasizes creating high-quality user experiences through interactive terminal elements, actionable error reporting, and graceful handling of system signals. It distinguishes itself by detailing how to integrate command-line tools into automated pipelines, specifically through the use of struct

neohtop is a terminal-based system resource monitor and process manager for Linux. It provides a text-based user interface for tracking CPU and memory usage and managing active system tasks without requiring a graphical desktop environment. The utility functions as a live dashboard for observing hardware performance and resource allocation. It enables users to search, filter, and terminate system processes, with the ability to pin specific entries to ensure they remain visible during monitoring. The tool covers general system observability and process management, allowing users to isolate sp

This project is a curated directory of command line applications and utilities designed to enhance developer productivity and streamline technical workflows. It serves as a comprehensive index of open-source software, categorizing tools that assist with system administration, development automation, and personal task management. The repository distinguishes itself by providing a structured collection of terminal-based software that spans diverse functional domains. It includes resources for managing infrastructure and cloud resources, performing code maintenance, and customizing terminal envi

Trippy is a network diagnostic tool and terminal user interface that combines ping and traceroute functionality to analyze network paths and performance. It provides a network packet parser and path analyzer to detect packet loss, jitter, and multipath routing through continuous network probing. The project is distinguished by its support for specialized tracing strategies, including Paris and Dublin, to ensure consistent path discovery. It identifies network address translation devices and utilizes heuristic analysis to distinguish genuine packet loss from rate-limiting. Broad capability ar

Progress is a Linux system utility designed to monitor the real-time data transfer progress of active system commands. It functions as a process monitor that reads the proc filesystem to calculate the throughput and estimated completion time of data-intensive tasks. The tool specifically tracks the progress of running Linux commands such as copy, move, and disk duplicate operations. It provides visual status indicators, including completion percentages and current transfer speeds, for standard utilities that do not include their own progress bars. The utility's observability capabilities cov

Cameradar is a network scanning tool designed to discover publicly accessible IP cameras. It identifies active Real Time Streaming Protocol services by scanning IP ranges and using device fingerprints to determine specific hardware models. The tool performs security auditing through dictionary-based probing and brute force attacks to uncover valid streaming paths and authentication credentials. It validates discovered streams by verifying the receipt of real-time transport protocol data packets to eliminate false positives. The system supports a multi-stage discovery pipeline and can export

smtp4dev is a suite of tools featuring a mock SMTP server that intercepts outgoing email traffic and stores messages for inspection instead of delivering them to recipients. It includes a web-based viewer for inspecting email metadata, raw source code, and MIME structures, alongside a responsive email previewer that simulates how HTML emails appear across different viewport sizes and device layouts. The project provides a traffic analyzer to log protocol interactions and session data for debugging delivery failures. It also operates as a TLS SMTP server, supporting encrypted connections via T

hledger is a plain text accounting tool and double-entry ledger manager that stores financial transactions in human-readable text files. It functions as a financial reporting engine for generating balance sheets and income statements, and as a multi-currency investment tracker for managing commodity lots and capital gains. The project distinguishes itself by providing multi-interface data access, allowing users to interact with their financial data via a command line interface, a terminal user interface, and a web server. It features a market-price valuation system to calculate the current va

Skim is a cross-platform interactive fuzzy finder that runs as a terminal application, a Rust library, a Vim and Neovim plugin, and a shell integration tool. It provides real-time filtering and selection from lists of items, supporting keyboard and mouse navigation, live preview panes, and multi-select functionality across Linux, macOS, and Windows. The tool distinguishes itself through a composable query expression tree that supports fuzzy, exact, inverse, prefix, suffix, and logical AND/OR operators, combined with a Smith-Waterman scoring engine that penalizes typos and gaps for natural rel

Yazi is a high-performance terminal file manager designed for keyboard-driven navigation and organization of local file systems. Built as an asynchronous application, it utilizes a non-blocking runtime to execute concurrent file operations and interface updates, ensuring the user experience remains responsive even during intensive tasks. The interface is rendered directly into the terminal emulator using escape sequences to maintain minimal memory overhead. The application distinguishes itself through a modular architecture that supports custom functionality via an embedded scripting engine.

This project is a terminal-based log analyzer and real-time traffic monitoring system designed for web server environments. It processes raw server access logs to generate structured statistical insights, providing visibility into visitor behavior, bandwidth usage, and request latency. The tool functions as a high-performance utility capable of handling large-scale datasets through multi-threaded parsing and memory-efficient data structures. The software distinguishes itself by offering both an interactive terminal interface and a web-based dashboard that updates in real-time via WebSocket st

F Prime is a component-based framework designed for the development and deployment of embedded and spaceflight software. It provides a modular architecture that decouples software logic from communication interfaces, allowing developers to define system structures through a domain-specific modeling language. This model-based approach enables automated code generation, ensuring consistency across complex system topologies while maintaining strict interface contracts between software modules. The framework distinguishes itself through its integrated build system and ground data operations suite

Sysdig is a Linux system observability tool and kernel event analyzer designed for capturing and analyzing kernel-level system calls and operating system events. It functions as a system call tracer and container security monitor, providing deep visibility into the activity of machines, virtual machines, and containers. The project specializes in non-invasive container inspection, allowing for the monitoring of container activity and resource usage without modifying the container environment or adding instrumentation. It enables the recording of detailed system traces into binary files for re

Sampler is a shell command monitoring tool and terminal-based metrics dashboard. It functions as a YAML-configured shell orchestrator that executes commands at set intervals to collect data and monitor system metrics. The tool distinguishes itself by rendering real-time shell output as terminal widgets, such as sparklines, gauges, bar charts, and run charts. It also includes a conditional alerting system that triggers audio notifications, visual alerts, or secondary shell commands when sampled output matches predefined data conditions. The project covers broad capability areas including shel

This project is a suite of basic command line utilities rewritten in Rust, providing a cross-platform implementation of POSIX shell utilities. It serves as a portable CLI toolset designed to run across different operating systems and architectures. The implementation includes a WebAssembly shell environment, which allows these essential command line tools to be executed directly within a web browser without requiring a local installation. The toolset covers a broad range of system capabilities, including filesystem operations, text processing and stream editing, and system administration too

Gotop is a terminal-based system monitor and resource dashboard built with the Go programming language. It serves as a text-based user interface for real-time tracking of hardware resources, network activity, and running processes. The application provides a performance dashboard featuring graphical widgets for CPU and memory metrics. It includes a process manager that allows users to list, sort, and terminate active system processes based on their resource consumption. The interface supports customization through theme styling and layout configurations, enabling users to adjust color scheme

This project provides a command-line interface for managing the lifecycle of applications from the Apple App Store. It functions as a package manager for macOS, enabling users to search for software, install new applications, and maintain existing installations directly through terminal commands. The tool distinguishes itself by wrapping private system APIs to perform store operations that are typically restricted to the graphical user interface. It integrates with the operating system to handle administrative privilege elevation, allowing for secure, automated modifications to protected appl

Czkawka is a cross-platform utility designed for storage optimization and filesystem maintenance. It functions as a comprehensive file analysis engine that identifies redundant data, including duplicate files, empty directories, broken symbolic links, and temporary files. By utilizing hash-based content verification, the tool ensures accurate identification of duplicates regardless of file names or metadata. The project distinguishes itself by offering both a native graphical user interface and a command-line interface, allowing for both interactive management and automated, headless system m