- Home: https://freeso.org/
- Inspiration: The Sims Online
- State: beta
- Download: https://freeso.org/download/
- Keyword: game engine, remake, simulation, content original required
- Code repository: https://github.com/riperiperi/FreeSO.git (@created 2015, @stars 692, @forks 81)
- Code language: C#
- Code license: MPL-2.0
- Code dependency: MonoGame
- Developer: andrewknoll, Cosmatevs, ddfczm, dotequals, Franco Franks, Jeremy Glazebrook, Mats Vederhus, riperiperi, Sim, simptomo, TheArchitectFreeSO, Todd Hertzelle, Tony Bark