Open Source software is software with source code that anyone can inspect, modify or enhance. Freeware products can be used free of charge for both personal and professional (commercial use).
HTML tags completion with Tab-key (Snippets plugin).Binary/Hex viewer for files of unlimited size.Simple auto-completion (fixed list) for some lexers.
It is extensible by Python add-ons (plugins, linters, code tree parsers, external tools). CudaText is a cross-platform free text editor, written in Lazarus.