Leshy SFMaker is a retro-style sound effect generator. It can be used to quickly generate sounds for games and other applications. (Browser Requirements: Google Chrome or Firefox. Chrome is preferred. Internet Explorer doesn't support WAVE audio and mobile browsers tend not to have good enough audio support.)

Example Sounds

Hits and Explosions Noises Jumps & Power-ups Loss
Zap Chirps and Blips Song Mode Pick Up
These buttons load an example sound into SFMaker which then may then be used as a starting point for generating new sounds.
Introduction
Documentation
Example Sounds