Free and/or Open Source

For your PC:

♦   Atlantis classy word processor

♦   Gnumeric speedy spreadsheet

♦   Apache Office best free openoffice

♦   Softmaker free any-device office suite

♦   PhotoFiltre or Paint.net photo editors

♦   Audacity audio recorder and editor

♦   WinAMP Internet Music Player

♦   Foobar2000 Hi-Fi Music Player

♦   Potplayer or VLC Movie Players

♦   Ywriter or Lyx authoring books & movies

♦   Homebank or Grisbi personal finance

Utility:

♦   Ccleaner cleanup fixup speedup

♦   Start Menu for Win7, or Windows 8, 10

♦   Burnaware for writing CD and DVD discs

♦   VNC for remote control

♦   Caffeine keeps computers awake

Internet Software:

♦   Dawn privacy+firefox Internet browser

♦   Slimjet privacy+chrome Internet browser

♦   Firefox Internet browser

♦   Pidgin Messenger for Yahoo, FB, Gmail

Scam Blockers:

♦   Ublock Origin Reduce ads, block scams

♦   Ghostery safer surfing, for desktop PC

♦   Unchecky for safer software installs

♦   Open DNS also blocks some scams

Malware and Virus Removal:

♦   Avira Free Antivirus

♦   Super Anti-Spyware

♦   Malwarebytes cleaner

Anti-Spy (anti-identity-theft):

♦   O&O Shutup10 and O&O AppBuster

♦   HTTPS Everywhere for safer connections

♦   Privacy Badger for privacy/safety

♦   TinyWall anti-egress firewall

Free Books & Manuals:

♦   Project Gutenberg

♦   Open Library

More Open-Source Software:

♦   Open Source for Windows the big list

♦   Opensource.com