Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
Subtitle Edit - Free subtitle editor with visual sync, time adjustments etc.Subtitle Edit Online · Subtitle Edit Videos · Subtitle Edit 3.
Adobe Acrobat DC - Make your job easier with Adobe Acrobat DC, the trusted PDF creator. Use Acrobat to convert, edit and sign PDF files at your desk or on the go.
Subtitle Workshop - Subtitle Workshop, a free subtitle editor. Official website - download Subtitle Workshop and get Subtitle Workshop news and information.
Wondershare PDFelement - All-in-one PDF editor
Subtitle Editor - Subtitle Editor is a GTK+3 tool to edit subtitles for GNU/Linux/*BSD.