SaveIt – Download Videos You Own, Fast & Private (Windows)
Paste a link, pick a quality, get a local copy — YouTube, Vimeo, and hundreds more. No upload, no account. Free edition available; one-time purchase for unlimited.
SwipeIt – Swipe to Declutter Photos, Videos & Files (Windows)
Swipe right to keep, left to delete. SwipeIt clears out old photos, videos, and downloads in minutes — nothing leaves your PC, and nothing is deleted until you confirm. $19.99, one-time purchase.
One Click It Tools – Yours. Offline. Private.
One Click It Tools are simple Windows tools you buy once and keep forever. Works offline, stays private — nothing ever leaves your computer.