The 22.214.171.124 version of LightBulb is available as a free download on our software library. The actual developer of the free program is Alexey 'Tyrrrz' Golub. This download was scanned by our antivirus and was rated as malware free. The most recent setup file that can be downloaded is 1.9 MB in size. The software is included in System Utilities.
From the developer:
Background application that reduces eye strain at night by automatically adjusting display gamma based on current time.
You may want to check out more software, such as WinBatch, VisualCron or Aarons Cliker, which might be similar to LightBulb.