Useful resources for writing Smart Contracts for Ethereum.

• Documentation
• Community
• Testing

• Homestead Guide - Ethereum Guide.
• Solidity - Solidity Programming Guide.

• Eris Solidity Tutorials - Tutorials | Solidity 1: The Five Types Model.
• Writing Upgradable Contracts - Writing Upgradable Contracts in Solidity.

• Gitter
• Freenode IRC #ethereum

• Official Blog
• Stack Exchange
• Reddit

• Twitter
• Youtube
• Facebook

• Meetups

• Devcon1 2015
• Devcon0 2014

• Dapple - Framework for Ethereum DApps.
• Embark - Installation instructions.
• Truffle - A development framework for Ethereum.

• blockchaindev/solidity-parser - A solidity language parser in Java.
• ConsenSys/solidity-parser - Solidity Parser in Javascript.

• androlo/solidity-workshop - Educational material for Solidity. Complement to solidity.readthedocs.com.
• androlo/standard-contracts - Storage repo for Solidity contracts, tests, and docs.
• Arachnid/solidity-stringutils - Basic string utilities for Solidity.
• axic/density - Density is a library or collection of useful modifiers and methods for Solidity.
• blockchaindev/smart-contract-patterns - Smart-Contract Patterns written in Solidity, collated for community good.
• chriseth/solidity-examples - Solidity Examples by Dr. Christian Reitweisner (Lead C++ Ethereum Developer).
• fivedogit/solidity-baby-steps - Contract examples for Ethereum.
• giblfiz/solidity - This is a collection of public solidity contracts.
• nexusdev/dappsys - A solidity contract system framework for flexible multi-contract dapps.
• nexusdev/feedbase - Simple data access pattern for dumb, durable software objects ("I thought I needed Oraclize").
• oraclize/ethereum-api - Oraclize API for Ethereum smart contracts.
• pipermerriam/ethereum-string-utils - String utility functions for ethereum contracts.

• zigguratt/lll-resurrected - An LLL-based smart contract function dispatcher and example contract.

• ethereum/dapp-bin - A place for all the ÐApps to live.
• slockit/DAO - The Standard DAO Framework, inc. Whitepaper.

• dominicwilliams/instant-dapp-ide - Complete Dapp and Solidity development environment as docker image you can run from command line.
• Solidity Browser - Solidity realtime compiler and runtime.

• raineorshine/solidity-repl - Ethereum Solidity REPL.

• nexusdev/seth - Perform Ethereum JSON-RPC calls from the comfort of your command line.

• duaraghav8/Solium - A customizable, stand-alone linter for Ethereum Solidity.

• raineorshine/solgraph - Visualize Solidity control flow for smart contract security analysis.

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