FreeSpell - FreeSpell is a spell checker for any and all Windows applications.
Ginger - Powerful and effortless desktop & mobile solutions for improving your writing and productivity. Ginger Software is your personalized editor - everywhere you go.
ClipMem 3 - Advanced Clipboard-Manager
CopyQ - CopyQ : Clipboard Manager with Advanced Features.
tinySpell - A spell-checker for Windows. Checks text in clipboard and/or on the fly in any Windows program. Small and easy to use. Resides in the taskbar notification area. Free download.
Maccy - Lightweight open-source clipboard manager for macOS