The Sims Resource - The Sims 3 Resource

The Sims Resource (often referred to as simply TSR) is a Sims custom content site offering custom content for all Sims games which can be downloaded with the intent to alter and/or expand the games. The site offers a wide variety of furniture, hairstyles, clothing items, residential lots, etc. which can all be downloaded for free and installed into people's games and used in gameplay. It was formed in 1999 by a group of players who were tired of the limitations instated by the official Sims creators. To date, TSR has 866k+ custom floors, walls, objects, clothing, hair, and make-up to download for The Sims, The Sims 2, The Sims 3, and The Sims 4. As of 2010, the site counts 2.2 million members and a bout 680k mods.

The site was founded by Steve Bonham, Thomas Isacsson, Johan Isacsson, Jan Isacsson, and Mikeal Sundberg. It has daily updates, and has a core group of featured artists, who create some of the most popular and best looking items on the site.

All downloads are available for free and registration is not required. Initially, the site offered a subscription-based premium membership option, allowing paid users access to premium content, but this was eventually changed in October 2013 and users are now allowed to download every single article on the site, including those previously offered exclusively for subscribers. Premium users, however, can still benefit from perks such as ad-free browsing and faster, more convenient download options.

There are active forums on the site, which a wide variety of different topics such as how to forums that guide new creators in creating meshes, to general gameplay tips and tricks that everyone can use. The forums are heavily moderated, and no chatting is allowed above the PG-13 level. The moderators and staff of The Sims Resource strive to keep the entire site child friendly, and do not allow any conversation or content to be shown that could be considered R rated.