The legacy wiki pages are here for reference purposes only.
For up-to-date information make sure to check the documentation section.

The umbraco documentation wiki

The umbraco documentation wiki is community driven documentation effort for Umbraco. Content is both submitted by The core team, the MVPs, the umbraco corporation and ofcourse anyone else in the community who wishes to contribute.

Table of contents is the community mothership for Umbraco, the open source cms. With a friendly forum for all your questions, a comprehensive documentation and a ton of packages from the community. This site is running Umbraco version 7.5.7