I was going through this steemyy.com which is developed by @justyy. It is a famous tool in the Steemit world.

Here are features of steemyy.com:-

Home Page

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Below are the navigations bar :

• Blockchain Overview
• Block Explorer
• Tools
• Account Registration
• Witness Servers
• Node Status
• API
• Bots

1. Blockchain Overview

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In the above screenshot we can see an overview of the steemit blockchain, here is all the information/stats related to steemit. It gives information on Versions and Hardfork, Chain properties, Dynamic Global Properties, Ticker, and Config which is very important for steem developers who want to use this API.

2.Block Explorer

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As you can see the head block and its size which is #46694564.
In this picture, you can see the curation reward, vote, and author reward transactions. It also shows the witness who has produced the block.

3. Tools

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This section provides information related to the following tools:-

• Steem essentials
• Witness
• Upvotes and Flags
• Delegators and Delegatees
• Follow or Mute
• Miscellaneous tools.

3.1. Steem Account Information

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With the help of this tool, you can get account information in the above screenshot. Similarly, all other features listed in this section provide information related to the entered account. You see below the Incoming voting Chart report.

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4. Account Registration

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In this service, you can create steem account.

5. Witness Servers

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6. Node Status

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This section provides all Steem RPC node, ping speed, owner, and version, details.

7. API

Below are the free API's

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This will help the developer to integrate any custom Mobile or Web application. I test the account profile API and It worked properly.

account profile API

Curation Stats API

8. Bots

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Here is the bot that listens to the steem blockchain and responds to some commands.

As @justyy is continuously working on this project so I believe that will get more features on steemyy.com in the future.