One of the groups of Travelers:
- Archivists: A faction of scholars devoted to recording all of metahistory.
- Big Two: OTL and The Revisionists, the largest and most powerful factions.
- The Free Market: A faction of merchants that trade to Travelers.
- Green Time: A faction of ecologists and eco-terrorists.
- Hedonists: A faction of Travelers devoted to time tourism and the physical pleasures thereof.
- Machinists: A faction of Travelers who want to introduce technology far uptime.
- Messiahs: A loose faction of Travelers who take on influential religious and political roles in the timeline.
- OTL: A Traveler faction dedicated to restoring the Original TimeLine. Also, the original timeline itself.
- Racketeers: A loose faction of merchants and thieves who make their living from manipulating future knowledge.
- Revisionists: A Traveler faction dedicated to crafting a timeline in which humanity achieves a utopian civilization.
- The Shelter: A faction devoted to taking care of the Timelost.
- The Span: A faction of fanatics attempting to destroy Travel technology.
- Timelost: A faction/label, of Time Orphans and other factionless Travelers.