Visual Studio Code, Sublime Text, Notepad++, Geany, GNU nano, Kate, VSCodium, GNU Emacs, EditPad Pro, Notepadqq, plist Editor, XML Notepad, XML Copy Editor, CudaText, Edit HTML Online, EditiX, Rapid PHP, 920 Text Editor, Simple CSS, SilverEdit, EditRocket, ChrunchApp, HTML5 Notepad, Vrode Script Editor, DtPad, JMTech 121 HTML Editor, JuffEd, Easy WebContent HTML Editor are some alternatives to SynWrite.