Twillow — A twitter directory, automation tool, auto follower, follower manager, tweet filter, keyword tracker, tweet scheduler, direct message auto-deleter…plus reporting and more.

appTracks: Web
appTags: auto delete, auto following, automation, direct messages, directory, follower, keyword, reports, schedule tweets, tracking, tweet filtering

Tweetwhatyouspend – Track the cash you spend by entering the item and purchase amount into a secure, direct message sent to your account. Plus, set daily spending limits.

appTracks: Web
appTags: cash, direct messages, spend, spending limit

Remember The Milk – Use this great task organizer and add tasks via Twitter DMs.

appTracks: Web
appTags: direct messages, organizer, tasks

Tweetlater – Schedule tweets, bulk upload tweets, track keywords, send welcome DMs, URL shortening, auto following, more.

appTracks: Web
appTags: auto following, direct messages, keywords, schedule tweets, tracking, url shortening