| htcw_bits | Provides advanced bit manipulation |
| htcw_button | Provides button functionality |
| htcw_data | Provides STL free containers |
| htcw_gfx | Provides cross platform graphics |
| htcw_io | Provides STL free streams |
| htcw_json | Provides JSON parsing |
| htcw_lcd_miser | Provides a timeout for your LCD backlight |
| htcw_ml | Provides HTML and XML parsing |
| htcw_rmt_led_strip | Provides neopixel driving facilities |
| htcw_uix | Provides cross user interface functionality |