Official Page

• EA Support
• Official Forum
• Origin
• Patches

Custom Content

• ModTheSims
• MySims3Blog
• NRaas Industries (Mods von Twallan)
• Resource.cfg (Patch 1.12/2.7/3.3/4.0 and higher)
• TFM’s Naughty Sims Asylum (Twoftmama, Shimrod & Bluegenjutsu)

Forums (English)

• Mod The Sims
• Official Forum

Tutorials & Helpful Resources

• Carl’s The Sims 3 Guide & Walkthrough
• ellacharmed (World Fixes and other stuff)
• Nona’s Sims
• Sims FAQ
• SimsVIP
• SimsWiki
• The Simalogue Sims Library

Tools

• CC Magic — Custom Content Mangement and Game Launcher
• CleanInstaller (aka Custard) – Alpha
• Crash Log Analyzer
• Dashboard
• Framework Installer Tool (aka MonkeyBar)
• Patch Downloader
• S3pe

My Other Blogs

• Crinrict’s Gaming World
• Unravel Unraveled

Helpful Non-Sim Programs

• 7-zip (englisch)
• CCleaner
• WinRar