torch
torch
Prince of Persia: Original Trilogy

All editors are available for free (zero price; gratis).
For libre software, check the "FOSS" column of the table.

(alphabetical) Prince of Persia 1 PoP2 This program is:
Apple II BBC Master C64 DOS Game Boy Color Java ME Macintosh Master System Mega Drive NES Sega Genesis SNES DOS for DOS for Windows for GNU/Linux FOSS
apoplexyNNNYNNNNNNNYYNYYY
leapopYYYNNNNNNNNNNNYYY
legbopNNNNYNNNNNNNNNYYY
lemdopNNNNNNNNYNYNNNYYY
lemsopNNNNNNNYNNNNNNYYY
NESPrincEdNNNNNNNNNYNNNNYNN
pophaleNNNNNYNNNNNNNNYYY
PoPMapNNNNNNYNNNNNNNNNN
POPMAPNNNYNNNNNNNNNYNNN
popyornNNNNNNYNNNNNNNYYY
Pr1SnesLevEdNNNNNNNNNNNYNNYNY
Pr2LevEdNNNNNNNNNNNNYNYNY
PrincedNNNYNNNNNNNNNYPNY
Princedit*NNNYNNNNNNNNNYNNN
RoomShakerNNNYNNNNNNNNNNYNN
RoomShaker IINNNNNNNNNNNNYNYNN

*The first editor ever created, not including Mechner's own editor of which video footage is available.