clsdk github.com

EOSIO smart contract C++ testing framework including in-contract debugging during wasm execution with VS code.

EOSIO/eosio.contracts github.com

Official C++ system contract test suite (notoriously difficult to use).

EOSIO/eos github.com

Official GitHub (part of EOSIO).

Scatter get-scatter.com

EOSCommunity.org Forums forums.eoscommunity.org

EOSX eosx.io

Block explorer. Various side chains are supported.

ESC - EOS Study Center eosvenezuela.io

Transit API for EOS eostransit.com

Connecting signature providers and dApps through an open-source, modular, and simple standard for EOSIO-based blockchains.

EOS Tracker eostracker.io

Open Source block explorer includes producers information and account information.

EOS Toolkit eostoolkit.io

EOS Studio eosstudio.io

Graphic IDE for EOSIO Development.

SimplEOS eosrio.io

EOS PowerUp eospowerup.io

EOS Network Monitor eosnetworkmonitor.io

EOSIO Network Monitor by "CryptoLions". Useful for developers. Scatter friendly.

Blue Paper eosnetwork.com

EOS Network Foundation eosnetwork.com

StackExchange for Q&A eosio.stackexchange.com

EOSIO SDK for Swift eosio.github.io

API documentation.

eosiojava API eosio.github.io

API documentation.

EOSindex eosindex.io

EOS GO eosgo.io

eosflare eosflare.io

Popular block explorer includes resource statistics, latest profile actions and statistics about "Top Name Bids" and "Top Voters".

Tools from EOS Authority eosauthority.com

EOS Authority Web Wallet eosauthority.com

Get alerts for transactions on an account - EOS Authority eosauthority.com

EOSIO Resource Library eos.io

Official EOSIO Resources. Videos, case studies, and other resources to help you learn and grow with EOSIO.

EOSIO™ Software Release: Native SDKs for Swift and Java eos.io

Article.

EOSIO Labs™ Release: WebAuthn Example Web App for EOSIO YubiKey Support eos.io

Article.

EOSIO Labs™ Release: The Universal Authenticator Library (UAL) — Increasing the Accessibility of Blockchain Applications eos.io

Article.

EOSIO Labs™ Release: iOS and Chrome Extension Authenticator Reference Applications eos.io

Article.

EOSIO Webinars eos.io

Official EOSIO Webinars.

Liquid Apps docs.liquidapps.io

Smart contract services vRAM, oracles, cron, IPFS and ICB.

Hydra docs.klevoya.com

JavaScript framework for testing EOSIO smart contracts.

Community Developer Tools developers.eos.io

Official EOSIO "Community Developer Tools" page.

cleos developers.eos.io

EOSIO Developer Portal developers.eos.io

A great place to begin your EOSIO blockchain journey.

WAX Random Number Generator developer.wax.io

DappRadar dappradar.com

CryptoKylin Testnet cryptokylin.io

CryptoKylin Testnet is a developer-friendly testnet maintained by a group of EOS Mainnet Block Producers.

Learnings from building my first dapp on EOS blockchain cmichel.io

Article.

Introducing King of EOS cmichel.io

Article.

cmichel cmichel.io

Christoph Michel blog, EOSIO developer related publications.

Chintai chintai.io

Bloks bloks.io

Fast block explorer, can be used for voting. Includes information about block producers and tokens.

Bitfinex blog post about eosfinex bitfinex.com

Article.

bdata.one bdata.one

Blockchain data about accounts and tokens for several EOSIO chains.

Elemental Battles battles.eos.io

Build a blockchain game. Learn EOSIO.

EOS Vote Proxy Research Portal alohaeos.com

Vote Proxy explorer.

EOS Block Producer Research Portal alohaeos.com

EOSIO Tools and Info alohaeos.com