Burst - Burst has thousands of hi-res photos that are free to use.
Privatter - Privatter is the easy way to share long texts and pictures set limit on your followers. You can post them by Sign in with Twitter account to this site.
Referenda - Fostering a new age of digital activism
TwitLonger - TwitLonger is the easy way to post more than 140 characters to Twitter
Change Politics - Elections by the people
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.