highlight.js - Highlight.js is a syntax highlighter written in JavaScript. It works in the browser as well as on the server.

Twishort - Twishort is a best Twitter app for writing longer tweets. Tweet more than 140 characters

code-prettify - Code Prettify is an embeddable script that makes source-code snippets in HTML prettier.

TwitLonger - TwitLonger is the easy way to post more than 140 characters to Twitter

Apache Tika - Apache Tika toolkit detects and extracts metadata and text from different file types.

Twitter text Splitter - Twitter text Splitter is a chrome extension that helps you to publish multiple tweets of your writing or a paragraph on your newsfeed.