| 2025-04-30 22:16:16 | ltk_tscc | Added Atari Bit Byter User Club as organiser of ABBUC Software Contest 2021 |
| 2022-10-31 17:41:24 | miker | Added competition Software |
| 2022-10-31 17:40:51 | miker | Set website to https://abbuc.de/category/community/software-competition/ |
| 2022-10-31 17:39:13 | miker | Added party 'ABBUC Software Contest 2021' |