- Java - JInSim - a Java InSim library
- PHP4/5 - LFSWorldSDK, class for stats retrieval
- .NET - LFS External (InSim/OutSim/OutGauge SDK Library)
- POSTING SOMETHING? Read this sticky first!
- PHP4/5 - LFS Hostname codepage converter v2
- .NET - LFSlib.NET status
- .NET - LfsReplayParser - Library to parse LFS replay headers
- Python - Pyinsim - A Python InSim Module
- .NET (C#) - Open Source Cruise Server
- .Net - LinqToLfsWorld