| NeoGPS-GarminClock | NeoGPS fork configured for Garmin 18x LVC clock projects. |
| Time64 | 64-bit timekeeping functionality for Arduino AVR boards |
| Timezone64 | 64-bit Arduino time zone conversions and daylight saving time adjustments. |
| TLC5947_SplitLatch | TLC5947 driver with separate shift and latch operations. |