Since Zan’s Minimap Mod has been discontinued, ReiFNSK has stepped up to the plate and delivered his own spin on a minimap mod for Minecraft.

Feature list from the developer:

• Fast processing
• Beautiful map rendering:
  • Expression of semitransparent blocks
  • Bump-map expression of height
  • Expression of dynamically changing lighting
  • Automatically generate the block colors from your texturepack
  • Biome color
• Entities radar
• Cave mapping
• Waypoints (Can not teleport)
• Ingame keyconfig
• ZanMinimap frame appearance
• Indication of slime spawning chunks (Does not work in multiplayer after minecraft 1.2)