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Features, usage and installation instructions aresummarised on the homepage. Terminology (e.g. the difference between a Cellar, Tap, Cask and so forth) isexplained here.

If Homebrew was updated on Aug 10-11th 2016 andbrew update always saysAlready up-to-date. you need to run:

cd"$(brew --repo)"&& git fetch&& git reset --hard origin/master&& brew update

1. Typebrew search for a list.
2. Or visitbraumeister.org to browse packages online.
3. Or usebrew search --desc <keyword> to browse packages from the command line.

brew help,man brew or checkour documentation.

First, please runbrew update andbrew doctor.

Second, read theTroubleshooting Checklist.

If you don't read these it will take us far longer to help you with your problem.

We'd love you to contribute to Homebrew. First, please read ourContribution Guide andCode of Conduct.

We explicitly welcome contributions from people who have never contributed to open-source before: we were all beginners once! We can help build on a partially working pull request with the aim of getting it merged. We are also actively seeking to diversify our contributors and especially welcome contributions from women from all backgrounds and people of colour.

A good starting point for contributing is runningbrew audit --strictwith some of the packages you use (e.g.brew audit --strict wget if you usewget) and then read through the warnings, try to fix them untilbrew audit --strict shows no results andsubmit a pull request. If no formulae you use have warnings you can runbrew audit --strict without arguments to have it run on all packages and pick one. Good luck!

Please report security issues tosecurity@brew.sh.

This is our PGP key which is valid until May 24, 2017.

• Key ID:0xE33A3D3CCE59E297
• Fingerprint:C657 8F76 2E23 441E C879 EC5C E33A 3D3C CE59 E297
• Full key:https://keybase.io/homebrew/key.asc

Homebrew's lead maintainer isMike McQuaid.

Homebrew's current maintainers areAlyssa Ross,Andrew Janke,Baptiste Fontaine,Alex Dunn,FX Coudert,ilovezfs,Josh Hagins,JCount,Misty De Meo,neutric,Tomasz Pajor,Markus Reiter,Tim Smith,Tom Schoonjans,Uladzislau Shablinski andWilliam Woodruff.

Former maintainers with significant contributions includeXu Cheng,Martin Afanasjew,Dominyk Tiller,Brett Koonce,Jack Nagel,Adam Vandenberg and Homebrew's creator:Max Howell.

• discourse.brew.sh (forum)
• freenode.net#machomebrew (IRC)
• @MacHomebrew (Twitter)

Code is under theBSD 2-clause "Simplified" License.Documentation is under theCreative Commons Attribution license.

Homebrew is a non-profit project run entirely by unpaid volunteers. We need your funds to pay for software, hardware and hosting around continuous integration and future improvements to the project. Every donation will be spent on making Homebrew better for our users.

Please consider a regular donation through Patreon:

Our Xserve ESXi boxes for CI are hosted byMacStadium.

Our Mac Minis for CI were paid for byour Kickstarter supporters.

Our Mac Minis for CI are hosted byThe Positive Internet Company.

Our bottles (binary packages) are hosted byBintray.

Our website is hosted byNetlify.

Secure password storage and syncing provided by1Password for Teams byAgileBits

Homebrew is a member of theSoftware Freedom Conservancy