Rassumfrassum is a LSP/JSONRPC multiplexer that allows one LSP client (Emacs' eglot, Neovim, etc.) to connect to multiple language servers seamlessly.

Parinfer is a plugin for Kakoune, Vim, Neovim and Emacs that infers parentheses and indentation. This library can be called from other editors that can load dynamic libraries.

editorconfig-checker is a lint tool to verify that a project matches the specifications in {.editorconfig

parinfer-rust-emacs is an Emacs-centric fork of parinfer-rust, itself an implementation of Shaun Lebron’s Parinfer. This builds a shared library intended to be loaded by the emacs-parinfer-rust-mode Emacs plugin, though a standalone binary is built also.

mle is a small, flexible, terminal-based text editor written in C. Notable features include: full Unicode support, syntax highlighting, scriptable rc file, macros, search and replace (PCRE), window splitting, multiple cursors, and integration with various shell commands.

dte is a portable console text editor with features like multiple buffers/tabs, syntax highlighting, customizable color scheme (including support for 24-bit true colours), kitty keyboard protocol, editorconfig support, amongst other features.

Fe is a small folding editor. It folds arbitrary text regions; it is not bound to syntactic units.

Fe has no configuration or extension language and requires no setup. Its user interface is emacs-like and it has menus for the very most important functions to help beginners. Further there is a reference card. It offers:

• Regions and Emacs-like kill ring

• Incremental search

• Keyboard macros

• Editing binary files

• Multiple windows and views

• Compose function for Latin 1 characters

Hexer is a multi-buffer editor for binary files for Unix-like systems that displays its buffer(s) as a hex dump. The user interface is kept similar to vi/ex.

Leafpad is a GTK+ text editor that emphasizes simplicity. As development focuses on keeping weight down to a minimum, only the most essential features are implemented in the editor. Leafpad is simple to use, is easily compiled, requires few libraries, and starts up quickly.

QEmacs (for Quick Emacs) is a very small but powerful editor. It has features that even big editors lack:

• Full screen editor with an Emacs look and feel with all Emacs common features: multi-buffer, multi-window, command mode, universal argument, keyboard macros, config file with C-like syntax, minibuffer with completion and history.

• Can edit files of hundreds of Megabytes without being slow by using a highly optimized internal representation and by mmaping the file.

• Full Unicode support, including multi charset handling (8859-x, UTF8, SJIS, EUC-JP, ...) and bidirectional editing respecting the Unicode bidi algorithm. Arabic and Indic scripts handling (in progress).

• WYSIWYG HTML/XML/CSS2 mode graphical editing. Also supports Lynx like rendering on VT100 terminals.

• WYSIWYG DocBook mode based on XML/CSS2 renderer.

• C mode: coloring with immediate update. Emacs like auto-indent.

• Shell mode: colorized VT100 emulation so that your shell work exactly as you expect. Compile mode with next/prev error.

• Input methods for most languages, including Chinese (input methods come from the Yudit editor).

• Hexadecimal editing mode with insertion and block commands. Unicode hexa editing is also supported.

• Works on any VT100 terminals without termcap. UTF8 VT100 support included with double width glyphs.

• X11 support. Support multiple proportional fonts at the same time (as XEmacs). X Input methods supported. Xft extension supported for anti aliased font display.

• Small! Full version (including HTML/XML/CSS2/DocBook rendering and all charsets): 200KB big. Basic version (without bidir/unicode scripts/input/X11/C/Shell/HTML/Dired): 49KB.

Jed is a powerful programmer's editor using the S-Lang scripting language for configuration and extensibility. It provides emulation modes for the key bindings of many editors (including Emacs and WordStar), and has syntax highlighting for dozens of languages. Jed is very small and fast.

EditorConfig makes it easy to maintain the correct coding style when switching between different text editors and between different projects. The EditorConfig project maintains a file format and plugins for various text editors which allow this file format to be read and used by those editors.

FeatherPad is a lightweight, Qt-based text editor, offering features like syntax highlighting, tabbed interface, and customizable settings.

A Kakoune / Neovim inspired editor, written in Rust.

Lem is a Common Lisp editor/IDE with high expansibility.

Typstwriter is an integrated editor for the Typst typesetting system, including syntax highlighting and compiler output as well as file-system and document views presented in a clean, friendly Qt graphical interface.

Vis aims to be a modern, legacy free, simple yet efficient vim-like text editor. It extends vim's modal editing with built-in support for multiple cursors/selections and combines it with sam's structural regular expression based command language.

Manuskript provides a rich environment to help writers create their first draft and then further refine and edit their masterpiece. With Manuskript you can:

• Grow your premise from one sentence, to a paragraph, to a full summary,

• Create characters,

• Conceive plots,

• Construct outlines (Outline mode and/or Index cards),

• Write with focus (Distraction free mode),

• Build worlds,

• Track items,

• Edit and re-organize chapters and scenes,

• View Story line,

• Compose with fiction or non-fiction templates and writing modes,

• Import and export document formats such as HTML, ePub, OpenDocument, DocX, and more.

Additionally Manuskript can help in many more ways with a spell checker, markdown highlighter, frequency analyzer, and automatic save in plain text file format.

GNU Moe is a powerful-but-simple-to-use text editor. It works in a modeless manner, and features an intuitive set of key-bindings that assign a degree of severity to each key; for example, key combinations with the Alt key are for harmless commands like cursor movements while combinations with the Control key are for commands that will modify the text. Moe features multiple windows, unlimited undo/redo, unlimited line length, global search and replace, and more.

The edlin program is a small line editor, written for FreeDOS as a functional clone of the old MS-DOS program edlin.

Geany is a small and fast Integrated Development Environment (IDE) that only has a few dependencies on other packages and is as independent as possible from special desktop environments like KDE or GNOME.

The basic features of Geany are:

• syntax highlighting

• code completion

• auto completion of often constructed constructs like if, for and while

• auto completion of XML and HTML tags

• call tips

• folding

• many supported filetypes like C, Java, PHP, HTML, Python, Perl, Pascal

• symbol lists

• embedded terminal emulation

• extensibility through plugins

This package provides a modeless text editor with menu bar. It supports syntax highlighting, regular expressions, configurable menus, keybindings, autocomplete and unlimited undo. It can pipe a marked block of text through any command line filter. It can also open very large binary files. It was originally developed on the Amiga 3000T.

L3afpad is a GTK+ 3 text editor that emphasizes simplicity. As development focuses on keeping weight down to a minimum, only the most essential features are implemented in the editor. L3afpad is simple to use, is easily compiled, requires few libraries, and starts up quickly. L3afpad is a fork of Leafpad that uses GTK+ 3 instead of GTK+ 2.

Mg (mg) is a GNU Emacs style editor, with which it is "broadly" compatible. This is a portable version of the mg maintained by the OpenBSD team.