# Lightning

> free software

**Wikidata**: [Q854029](https://www.wikidata.org/wiki/Q854029)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lightning_(software))  
**Source**: https://4ort.xyz/entity/lightning-q854029


## References

1. [Source](https://addons.mozilla.org/de/thunderbird/addon/lightning/versions/)
2. [Source](https://developer.mozilla.org/en-US/docs/Mozilla/Calendar/Calendar_Versions)
3. Freebase Data Dumps. 2013