Text-Documents
Stirling PDF
Stirling PDF merges, splits, compresses, converts, and edits PDF files through a Windows desktop app or a self-hosted setup
LightPDF
Need to edit, convert, sign or reorganize PDFs without a pricey suite
Sublime Text
Looking for a fast, distraction-free code editor
Ashampoo Office
TextMaker for documents, PlanMaker for spreadsheets, and Presentations for slide decks make up Ashampoo Office
Icecream PDF Split & Merge
Need to pull a few pages out of a PDF or join several into one
SSuite Ex-Lex Office Pro
Looking for a free, lightweight office suite that runs well on older PCs
SSuite Office WordGraph
When a letter or report needs formatting and you want to work offline, SSuite Office WordGraph provides a desktop word processor for creating and editing documents
PersonalBrain
Do your notes fit badly into folders because every idea links to several others
novaPDF
Need clean, consistent PDFs from any document you can print
PSPad editor
The main editor window keeps multiple documents in one workspace, with syntax coloring available for supported file types
Soda 3D PDF Reader
For most people using Windows, seeing a PDF document is just a matter of a few seconds and no hassle
Obsidian
Want notes that link together like a personal wiki and stay on your own PC
iSilo
Have an old collection of iSilo ebooks or reference files from the Palm or Pocket PC days
Smallpdf
Need to shrink a PDF, turn it into a Word document, or combine several files