| Description: | Solar elevation and blackbody colour calculation library |
| Status: | Feature complete |
| Source: | https://git.maandree.se/libred |
| Latest release: | 1.0.2.1 |
| License: | ISC License (Internet Systems Consortium license) |
| Written in: | C (ISO C99) |
libred is a C library for calculating the Sun's apparent elevation and colours temperatures.