Nextpad++

Nextpad++ is a full native Linux port of the Notepad++ text editor, built
with GTK4 and the Scintilla editing component that was fully ported to GTK4.

Multi-tab editing, full find/replace with regular expressions, split
views, side panels (Document List, Function List, Document Map,
Workspace, Git), macros, per-language syntax highlighting, User
Defined Languages and UDL Admin with the ability to import Notepad++
and Sublime UDLs , session persistence, automatic backups, a plugin
SDK with a Plugins Admin catalog , a command palette, batch processing
to run macros on folders and files.

Nextpad++ also available for macOS with both having full parity with Notepad++ for Windows