Open-source alternatives to Kilo

Crossterm is a cross-platform Rust library for terminal manipulation, providing a low-level interface for controlling terminal state, cursor movement, and text styling. It acts as a cross-platform TTY interface that handles raw mode, alternate screen buffers, and terminal window metadata across different operating systems. The library includes an ANSI text styling engine for applying RGB colors and text attributes to console output, as well as a terminal input event handler for capturing keyboard presses, mouse movements, and terminal resize events in real time. It also provides system clipbo

Kakoune is a scriptable, modal text editor for the terminal that employs a client-server architecture. This model allows multiple terminal windows to connect to a single editing session, providing a programmable environment for managing source code and text. The editor is distinguished by its selection-first logic, where a text region must be predefined before a command is applied. It leverages regular expressions to manage multiple cursors and perform bulk edits across complex text patterns, and it integrates deeply with the shell by piping selections through external programs and filters.

Amp is a modal text editor for the command line. It provides a terminal-based interface for editing text and developing software, utilizing a modal interaction model that separates text entry from navigation and command execution. The editor integrates Git version control to record code changes directly within the interface. It also functions as a navigation tool, featuring a fuzzy file finder for approximate string matching and a symbol navigation tool for jumping to specific definitions and declarations within local source files. The system includes rule-based syntax highlighting to distin

This project is a terminal-based text editor and local file manipulation utility designed for modifying documents directly within a command-line environment. It functions as a text processing tool that enables users to perform file updates and content adjustments without requiring a graphical user interface. The editor provides a terminal-based user interface framework that renders interactive components through low-level character stream manipulation. It supports automated text processing by utilizing regular expression-based pattern matching to locate and replace character sequences across

Atom is an extensible code IDE and hackable text editor designed for source code editing and the creation of custom development environments. It functions as a syntax highlighting editor and a version control integrated editor that tracks file changes and synchronizes code with remote repositories. The editor allows for the modification of its own core functionality and supports a package-based plugin system for creating custom themes and snippets. It also serves as a Markdown preview editor, providing side-by-side visual rendering for content authoring. The platform includes capabilities fo

Slap is a terminal-based text editor designed to mimic the user experience and interface of a graphical code editor within a command-line environment. It functions as both a text editor and a text-user interface file manager, providing a navigable sidebar for organizing and switching between files and directories. The editor is built for extensibility through a plugin system that allows the loading of external scripts and packages to add new features and core functionality. Users can customize the editor workflow by remapping keyboard shortcuts, adjusting performance parameters, and modifying

Vis is a terminal-based modal text editor that utilizes vi keybindings and a system of structural regular expressions. It functions as a scriptable environment where Lua is used for configuration, custom key mappings, and plugin development. The editor distinguishes itself through a syntax highlighting system based on Parsing Expression Grammars and a pattern matching engine that treats text as a structure for complex search and replace operations. It also integrates directly with the system shell, allowing users to pipe text ranges to external commands and capture the resulting output. The

Zed is a terminal-based code editor built in Rust that provides a full-featured editing experience with familiar keybindings, mouse support, and multiple cursors. It runs entirely in the terminal while offering capabilities typically found in graphical editors, including split panes, a command palette, and integrated language server protocol support for real-time diagnostics, completions, go-to-definition, and code actions across multiple languages. The editor distinguishes itself through a plugin system that runs sandboxed TypeScript plugins in a QuickJS runtime, with an asynchronous bridge

Vim-galore is a comprehensive technical reference and curated guide for mastering the Vim text editor. It serves as a central resource for users seeking to understand the philosophy, command structure, and advanced customization capabilities required to operate professional-grade modal text editors effectively. The project distinguishes itself by providing a deep dive into efficient editing workflows, plugin management, and automation strategies within a terminal-based environment. It covers the full spectrum of editor mastery, from fundamental modal navigation and text manipulation to comple

Learn-Vim is an interactive learning platform designed to build proficiency in the Vim text editor. It provides a structured curriculum that guides users through the fundamentals of modal editing and command-line text manipulation to improve terminal productivity. The project functions as a terminal-based simulation that allows users to practice editing techniques within a sandboxed environment. By utilizing a virtual file system and state-machine sequencing, the platform validates user inputs against specific command patterns to ensure mastery of each lesson. This training environment cover

python-prompt-toolkit is a Python library and terminal user interface framework used for building interactive command line interfaces. It provides a toolkit for constructing complex terminal applications with advanced input handling and layout management. The project features a real-time syntax highlighting engine and a rendering system that ensures correct alignment and display of double-width Unicode characters. It includes specialized capabilities for command line autocompletion, providing ghost text suggestions and searchable input history. The framework covers a broad range of interface

This project is an educational resource designed to teach low-level software development through the incremental construction of a functional terminal-based text editor. It provides a step-by-step curriculum that guides users through the process of building an interactive application from scratch using C and standard terminal input handling. The tutorial distinguishes itself by utilizing an incremental implementation pattern, where each functional milestone builds upon previous code to ensure a manageable learning curve. To support this process, the project includes a command-line utility tha

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

NotepadNext is a desktop productivity application designed for creating and modifying plain text documents. It functions as a lightweight tool for managing local files, providing a consistent editing environment across Windows, macOS, and Linux operating systems. The application utilizes a cross-platform interface framework to ensure native-looking components and reliable file operations regardless of the host environment. By separating the underlying text data structures from the visual representation, the software maintains a clear distinction between document management logic and the user

Vim-quickui is a text user interface library and plugin for Vim and Neovim editors that renders interactive widgets directly inside terminal environments without external dependencies. The framework provides buffer-independent UI drawing, popup window layering, state-driven event handling, and data-driven dialog generation that constructs modal forms and input controls from declarative data structures. The extension covers a broad suite of interface components including dropdown menu bars, context menus, scrollable list boxes, confirmation dialogs, and string input prompts. Users can inspect

notepad-- is a cross-platform plain text editor designed for creating and modifying unstructured text files. It functions as a lightweight productivity tool that allows users to write and save documents across Windows, Linux, and macOS. The application utilizes a buffer-based editing model to decouple file storage from the visual display. This approach enables a consistent user interface for local file management and plain text document creation regardless of the underlying operating system.

Vim is a keyboard-driven text editor designed for the high-speed manipulation of source code and plain text files. It utilizes a modal interface that interprets keystrokes as either text insertion or complex navigation and editing commands. Built on a portable C core, the software maintains a consistent experience across diverse operating systems and terminal emulators through an abstraction layer that manages text in memory-mapped buffers. The editor functions as a highly modular platform that supports extensive customization through a built-in scripting engine and a plugin-based architectur

OpenInTerminal is a system interface extension for macOS that provides a custom Finder context menu, toolbar extensions, and clipboard utilities. It functions as a terminal emulator launcher and a shell path utility, allowing users to interact with the macOS file system through external applications. The project enables the launch of terminals and text editors directly from the file manager. It includes a shell path utility to copy escaped file paths to the clipboard and supports the configuration of specific terminal emulators and code editors. The software covers workflow automation throug

Remacs is a rewrite of the Emacs text editor implemented in Rust. It is a programmable and extensible text editor designed for improved memory safety and execution performance. The project includes a native interface that maps C library functions and structures into Rust to execute native logic. It uses native system APIs for cross-platform graphical interface rendering. The editor provides real-time text editing and supports the development of custom input methods and language dictionaries. The development process utilizes a containerized environment to ensure consistent build dependencies

Notepad3 is a lightweight Windows text editor designed as a replacement for the default system notepad. It is built on the Scintilla text engine to provide source code editing capabilities, including syntax highlighting, code folding, and automatic indentation. The editor is distinguished by its support for registry-free portable execution, allowing the application to run from removable storage without system installation. It features integrated file encryption and decryption tools for secure document management and a regular expression engine for complex search and replace operations across

Rustpad is a self-hosted collaborative text editor and code environment. It functions as a containerized web application that uses an operational transformation engine to synchronize text changes across multiple browser clients in real time. The system is designed for database-free document synchronization, allowing users to host private environments for sharing code snippets without external database dependencies. It supports ephemeral document hosting, where shared spaces are automatically removed from memory after a period of inactivity. The application manages data through an in-memory d

Opentui is a terminal user interface framework for building interactive command line applications. It provides a component-based system featuring a flexbox layout engine, a virtual node component tree, and a low-level 2D cell array renderer. The project is distinguished by a sophisticated keyboard binding engine that maps complex multi-stroke sequences and chords to named commands using prioritized, reactive layers. It also implements a plugin architecture that allows external modules to inject custom UI components into designated layout slots and extend input logic at runtime. Its capabilit

gocui is a console user interface library for the Go programming language. It provides a toolkit for building interactive terminal applications using a layout engine that organizes overlapping rectangular views and coordinates. The library features a terminal input handler to capture and map keyboard shortcuts and mouse events to specific application actions. It includes an ANSI escape sequence parser to manage text attributes, colors, and cursor positioning. The framework covers interface view management and overlapping window layering, allowing for a structured arrangement of content. Rend

Moeditor is a markdown text editor and document creator designed for drafting formatted text files with live preview capabilities. It functions as a visual editor that renders markdown syntax into a formatted layout in real time, supporting the authoring of technical content including mathematical expressions and diagrams. The editor includes specialized tools for transforming structured markdown-based diagram definitions into graphical representations and converting mathematical syntax into visual formulas within the preview window. It also features a multi-language interface that allows for

Chalk is a Node.js console formatter and terminal styling library used to add colors and text modifiers to command line output. It functions as a tool for formatting strings with foreground colors, background tints, and text styles using ANSI escape sequences. The library includes a terminal color support detector that automatically determines the color depth and capabilities of the current environment. It features an ANSI color downsampler that converts RGB, Hex, or 256-color values to the nearest compatible format based on the detected terminal capabilities. The project provides capabiliti

Ox is an extensible code editor and integrated development environment. It functions as a terminal-integrated text editor that combines source code editing with an embedded interactive command-line shell. The editor is distinguished by its programmable nature, utilizing a custom scripting API to integrate external functionality such as AI assistance and productivity tools. It further enables automation through an event-capture macro system for recording and playing back editing sequences. Core capabilities include multi-cursor editing, rule-based syntax highlighting, and a hierarchical file

Terminal-kit is a Node.js toolkit for building command-line applications and console user interfaces. It provides a comprehensive suite of utilities for console text styling, terminal graphics rendering, input parsing, and interactive interface construction. The library features a cell-based text grid model, a component document tree for hierarchical layout of interactive widgets, and off-screen pixel buffering for multi-layered image composition and manipulation. It handles direct escape-sequence output control and raw-mode input parsing to manage display regions and capture user interaction