Ambrosia Software, a long-time maker of Mac software stretching back to System 7, is not going out of business -- at least according to its founder and president, Andrew Welch. He took to Twitter to dispel accusations that the company was closing up shop, following tweets to that effect from former coders who announced on Wednesday they had been let go. The company, currently best known for its screen capture tool Snapz Pro X and ringtone maker iToner, confirmed the layoffs but said the company is not folding.