Only useful free tools here — office apps, PDF helpers, writing tools, and form resources people actually use.
📄 Office & Writing
LibreOffice
Full free office suite for documents, spreadsheets, presentations, and editable files.
WindowsmacOSLinuxOffice Suite
Google Docs
Free online word processor with sharing, comments, and autosave.
WebAndroidiPhone/iPadDocuments
OnlyOffice
Free office suite with strong Microsoft file compatibility.
WindowsmacOSLinuxOffice Suite
📑 PDF & Forms
PDF24 Creator
Merge, split, compress, and convert PDFs for free.
WindowsPDF Tools
PDFsam Basic
Open-source PDF merge and split tool.
WindowsmacOSLinuxPDF Tools
DocHub
Free web tool for signing and filling PDFs.
WebPDF Signing
📝 Writing & Notes
Obsidian
Offline note app using plain Markdown files.
WindowsmacOSLinuxAndroidiPhone/iPadNotes
Joplin
Open-source note-taking app with sync and encryption.
WindowsmacOSLinuxAndroidiPhone/iPadNotes
Grammarly Free
Writing assistant for spelling, grammar, and clarity checks.
WebWindowsmacOSAndroidiPhone/iPadWriting