Twando is a great, free, open source, PHP/MySQL Twitter script with a huge range of features. Monitor your followers, auto follow and unfollow, auto DM new followers, schedule tweets, search and follow new users and much more.
- Create scheduled tweets and post at any time you like.
- Bulk upload thousands of tweets quickly and easily via a CSV.
- Want to know who unfollowed you? Or even who you might have unfollowed? Twando will tell you.
- Auto follow your followers and auto unfollow those who unfollow you.