Open-source alternatives to Fastfetch

screenFetch is a shell-based system information tool and terminal profiler. It retrieves hardware and software specifications, operating system details, and kernel data to display them within a terminal window. The utility combines system discovery with distribution branding, printing gathered specifications alongside ASCII-art logos. It includes a utility to trigger screenshots of the resulting terminal output. The tool handles environment variable extraction and the execution of external system commands to format and arrange system metadata for display.

Fastfetch is a command-line utility designed to retrieve and display detailed hardware and operating system specifications. It functions as a terminal-based system profiler, providing developers with a method to verify environment configurations and diagnose system issues during local development. The tool distinguishes itself through a modular architecture that organizes data collection into independent components, allowing for the selective enabling or disabling of features to manage resource usage. It utilizes direct interactions with kernel interfaces and system APIs to acquire data, main

lf is a terminal-based file manager and TUI file explorer that provides keyboard-driven navigation for browsing and organizing files and directories. It operates as a shell-integrated tool that synchronizes the current working directory with the calling shell and supports vi-style keybindings for filesystem operations. The project distinguishes itself through its ability to render images directly in the terminal via the SIXEL graphics protocol and its shell-driven execution model, which allows users to extend functionality using external shell scripts and commands. It also implements a server

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

This project is a modular, terminal-based dashboard framework designed to aggregate and display real-time information within a grid-aligned interface. It functions as a centralized monitoring tool that translates data from local system resources, infrastructure services, and external web APIs into a unified, text-based display. The dashboard is distinguished by its plugin-based architecture, which allows users to encapsulate distinct data sources and display logic into isolated, independently managed modules. Users define their workspace through declarative configuration files or an interacti

Cash is a JavaScript implementation of Unix shell utilities and command-line interfaces. It provides a collection of standard system-level text processing and file manipulation tools written in ES6 that run without native compilation or external dependencies. The project allows for the programmatic execution of shell operations using function calls and tagged templates. It implements a system for chaining multiple commands together to filter and transform data through programmatic pipelines, mimicking standard shell pipe behavior. These capabilities enable the execution of Unix-style command

Blink is a mobile terminal platform for iOS that combines an SSH and Mosh client with a local shell emulator, snippet manager, and SSH key storage. It renders terminal output using Chromium's HTerm engine for fast display and maintains persistent remote sessions across network changes through the Mosh protocol. The platform supports SSH key-based authentication, WebAuthn hardware security keys, and SOCKS5 proxy tunneling for secure remote access. The terminal environment is built around gesture-based session navigation, allowing users to switch between multiple shells with swipe and pinch ges

Pokemon-Terminal is a command line wallpaper rotator and terminal background theme manager. It functions as a shell-based image orchestrator that modifies system settings and configuration files to render custom graphics across various terminal emulators and operating systems. The utility allows for the automated selection and display of images as terminal backgrounds or system wallpapers. It features dynamic theme rotation and the ability to cycle through image libraries using randomization and regional filters. The system covers the management of CLI aesthetics through a searchable databas

Shuttle is a macOS menu bar application that serves as an SSH shortcut menu and terminal command orchestrator. It allows users to launch remote server connections and execute shell scripts through a persistent status bar interface. The utility parses system SSH configuration files to create a navigable menu of remote servers. It organizes these hosts into hierarchical nested menus using path-based identifiers to group servers and environments. The application manages terminal automation by dispatching shell commands to a preferred terminal emulator. It supports custom command definitions wit

Eza is a command-line utility designed to replace standard directory listing tools by providing a more informative and visually intuitive interface for exploring file systems. Built with memory-safe systems programming, it queries low-level operating system interfaces to retrieve and display comprehensive file metadata, including permissions, ownership, and modification times. The tool distinguishes itself through its use of terminal-based color coding and advanced organization capabilities. It maps structured file metadata to specific color sequences to improve readability and offers modular

ttyd is a web-based terminal emulator that shares a command-line shell over a web connection. It serves as a remote console and shell gateway, allowing for remote system administration and command execution through a standard web browser. The project includes specialized capabilities for rendering graphical images via the Sixel standard and supporting bidirectional file uploads and downloads using the ZMODEM transfer protocol. It supports collaborative terminal sharing, enabling multiple concurrent users to connect to the same running process or session in real time. The system provides secu

Simple system info written in C

Async-profiler is a suite of performance tools designed for sampling Java runtimes, tracking memory allocations, and monitoring hardware counters. It functions as a low-overhead sampling profiler for Java applications, collecting stack traces and memory allocation data without safepoint bias. The project provides specialized utilities for generating interactive flame graphs to visualize execution hotspots in a web browser. It includes a hardware performance counter monitor to track low-level system events such as cache misses and page faults. The toolset covers several diagnostic domains, in

This project is a technical reference and a collection of internal analysis notes focused on the Go language runtime and compiler. It provides a detailed breakdown of the language internals, covering memory management, garbage collection, and the execution model of the scheduler. The material distinguishes itself by providing deep dives into low-level system details, including a reference for Go assembly instructions, register usage, and system call interfacing. It specifically analyzes the internal implementation of concurrency primitives, such as the goroutine scheduling mechanism, channel

CppGuide is a curated collection of educational resources and practical guides focused on C++ server development, Linux kernel internals, concurrent programming, network protocols, and security exploitation. It provides structured learning paths for backend developers, covering everything from interview preparation to building high-performance network servers and understanding operating system fundamentals. The guide distinguishes itself by offering in-depth, hands-on tutorials that walk through real-world implementations, including building a Redis-like server from scratch, designing custom

This project is a technical reference and educational guide focused on the internal architecture of the Linux kernel. It serves as a low-level systems programming resource and documentation for operating system internals, detailing the implementation of core mechanisms within the kernel source code. The materials provide a detailed study of the Linux kernel, tracing behavior through actual C source and assembly. It specifically covers the progression from the bootloader and decompression to the final kernel entry point, alongside the management of hardware interrupts and symmetric multiproces

This project is a collection of diagnostic tools designed for auditing IP quality, analyzing network stability, profiling server environments, and benchmarking hardware performance. It provides a suite of utilities to evaluate virtual private servers through hardware performance benchmarking and system environment diagnostics. The toolset includes a streaming service unlock checker to determine regional content access, an IP reputation audit tool for blacklist and geolocation verification, and a network quality analyzer for measuring latency and throughput. It covers broader capability areas

nix is a Unix system API library and Rust system programming interface that provides type-safe bindings for invoking low-level system calls. It serves as a low-level operating system wrapper and POSIX compatibility layer, allowing for kernel interactions and administrative tasks through safe wrappers around platform-specific APIs. The project provides a kernel device interface for controlling hardware devices, managing kernel modules, and configuring terminal interfaces. It differentiates itself by offering type-safe wrappers for memory mapping and zero-copy input-output operations to reduce

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

This project is a comprehensive educational resource consisting of a Bash programming tutorial, scripting reference, and Linux command line manual. It provides instructional materials for writing scripts, automating system tasks, and mastering terminal navigation and Unix system administration. The guides cover a wide range of shell environment customization, including prompt styling and the use of aliases. It also provides a shell environment guide for managing configuration files and initializing user environments. The materials detail a broad set of capabilities including control flow log

OSV is a unikernel operating system and cloud-native execution environment designed to run as a secure microVM on hypervisors such as KVM, Firecracker, Xen, and VMware. It functions as a Linux binary compatible runtime, allowing unmodified Linux binaries to be executed as secure microVMs without requiring recompilation. The project distinguishes itself through its ability to package applications into minimal bootable images and its provide of a virtual machine management API. This REST interface enables remote monitoring of system health, management of execution traces, and control over guest

Cointop is a terminal-based cryptocurrency dashboard that displays real-time market data, prices, and portfolio values in a text-based interface. It aggregates data from multiple cryptocurrency exchange APIs and presents it in an interactive terminal user interface with vim-inspired keyboard shortcuts for navigation and control. The application distinguishes itself by embedding an SSH server that allows remote access to the dashboard from any device, with persistent client configuration tied to individual SSH keys. It includes a fuzzy search system for quickly finding coins by name, desktop n

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.

This project is a collection of resources and utilities for macOS terminal customization, providing a set of color schemes, a palette previewer, and theme conversion tools. Its primary purpose is to manage the visual appearance of the default macOS Terminal application. The toolkit includes a theme converter for transforming color scheme files between different terminal application formats. It also features a previewer that uses escape sequences to generate visual representations of color palettes for validation. The system covers broader capabilities for command line interface visual design

blessed-contrib is a terminal user interface framework and a Node.js console widget library designed for building data-driven command line interfaces. It serves as an ASCII data visualization toolkit and a dashboard framework for organizing grid-based layouts and interactive elements within a console. The project provides a collection of reusable terminal components, including a command line image renderer and tools for text-based graphic rendering. It specifically enables the creation of terminal dashboards through a system for positioning multiple widgets across rows and columns and a mecha

WSL is a compatibility layer and virtualization platform that enables the execution of native Linux binaries directly on a host operating system. By utilizing a lightweight virtual machine and direct kernel system call mapping, it provides a high-performance environment that bridges Linux-based command line utilities with host-native tools. This architecture allows for full system call compatibility while maintaining minimal resource overhead. The platform distinguishes itself through deep integration with the host environment, allowing users to run isolated Linux distributions alongside stan

This project serves as a curated directory of resources, tools, and frameworks designed to enhance the functionality and aesthetics of terminal environments. It functions as a comprehensive guide for users seeking to optimize their command-line workflows and personalize their shell experience. The repository provides access to a wide range of utilities for terminal customization, including alternative terminal emulators, color schemes, and visual themes. It also catalogs specialized tools for managing persistent sessions, automating system tasks, and integrating external web services directly