Free and/or Open Source
  For your PC:
  ♦   Atlantis classy word processor
  ♦   Gnumeric speedy spreadsheet
  ♦   Apache Office best free openoffice
  ♦   Kingsoft or Softmaker free 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