Light Table has been discontinued. Similar apps include Notepad++, which is free and open source. Other options are Visual Studio Code, Sublime Text, VSCodium and Vim. There's no shortage of Code Editors like Light Table, with more than 50 alternatives for Windows, Linux, Mac, the web and Chrome OS.
Boa Constructor is a cross platform Python IDE and wxPython GUI Builder. It offers visual frame creation and manipulation, an object inspector, many views on the source like object browsers, inheritance hierarchies, doc string generated html documentation, an advanced debugger...
This tool can transform texts into a variety of formats/structures. It can assist tasks of data formatting and coding. Formatting steps can be stored and reused. The tool includes text-to-speech of various languages.
GPU powered Emacs written in Rust with a modern display engine. Aiming for modern design & multi-threaded Elisp, 10x performance, zero-pause concurrent GC and 100% Emacs compatibility.
China
Tungsten Text Editor is a small, lightweight text editing app similar to Notepad. It is a Progressive Web App (PWA) for desktop operating systems (Windows, macOS, Linux, ChromeOS, etc.), implemented using web technologies (HTML, CSS, JavaScript).
Japan
Free text and markdown editor. Developer friendly thanks to integrated Dark mode and syntax highlighting of code. Secure your notes on the fly with our AES encoder. Multi-notes and draft support. Available on all platforms.
Batch-Notepad that can replace, insert, delete, copy, and move text in multiple files in bulk! Perform advanced search and replace operations using RegEx substitutions. Supports multi-line replace, wildcards, match selection, case matching, Unicode!.
United States
People joke about what IDE they use often, things like Word, MS Notepad, sometimes even Eclipse, and then often times MS Paint. People joke about MS Paint because it's not even a text editor, people joke about it because it doesn't have one feature in common with IDEs.
