ft2demos (freetype demos and tools) Set of demo programs and tools for freetype. Can be useful for testing and debugging problems with fonts (or with freetype itself). Includes these tools: ftbench - benchmark some common FreeType paths ftchkwd - test fixed font width ftdiff - compare font hinting modes ftdump - simple font dumper ftgamma - screen gamma calibration helper ftgrid - simple glyph grid viewer ftlint - simple font tester ftmemchk - simple memory tester (tests FreeType's memory allocator) ftmulti - multiple masters font viewer ftpatchk - tests whether patented hinting is necessary ftstring - string viewer (displays text in specified font) fttimer - simple performance timer ftvalid - font layout table validator ftview - simple glyph viewer ttdebug - a TrueType bytecode debugger Most of the commands have man pages. Also most of the commands show usage info if you run them with --help (or with no arguments). This package is known as "freetype2-demos" on Arch and Debian systems.