Airtable - Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.
Kega Fusion - Kega Fusion is an emulator for the Sega Genesis / Megadrive, Master System, Game Gear, 32x...
FriendlyData - Communicate with databases like a human
RetroArch - RetroArch is a frontend for emulators, game engines and media players.
SpreadsheetDB - A database that you can query with spreadsheets
Gens32 Surreal - A revamped version of ...