Notes:

- This is a comprehensive listing of (85x) Twitter bots made by @mendicot (see also 250x: Feed Bots: Meta Guide).
- "Protected" is a Twitter-ism for "Protect my tweets", which essentially means private or closed.
- Suspended Twitter bots omitted
- Client Twitter bots omitted
- Music Twitter bots omitted

See also: 

Feed Bots: Green-Travel | Feed Bots: Infotec-Travel | Feed Bots: Meta Guide

Twitter Bot Pipes | Twitter Chatbots Masterlist | Twitter Bot Inventory | Third Party Twitter Tools & Serivces | Twitter API Pipes

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Updated: February 2012 | Followers Count 2

@aidreamsforum - forum bot: unofficial feed mirror of aidreams.co.uk forum [following] 

@aimlforums - forum bot: aggregated AIML forum feeds, including pandorabots-general.shapado.com [following] 

@ainexusforum - forum bot: A. I. Nexus Forum knytetrypper.proboards.com [following] 

@AInsightsBot - [Protected] persistent search of Twitter for Automated Insights (@AInsights), Statsheet (@Statsheet), and Narrative Science (@narrativesci) [following] 

@applesiribot - [Protected] retweet bot: monitoring the Twitter buzz around Apple Siri [following] 

@artintelbot - [Protected] multi-agent: doing a lot of things, but mainly watching Twitter for artificial intelligence related information [following] 

@BigIslandBot - [Protected] geographic bot prototype trial

@botforumbot - monitoring all Internet forums for mentions of "bots" and "robots" [following] 

@botlinks - [Protected] link parser bot

@BrazilBot - [Search-banned] translator bot: auto-translating Portuguese language tweets about Brazil into English 

@BuyBitcoin - [Protected] retweet bot: watching Twitter for information about buying Bitcoins

@chatbotix - [Protected] multi-agent: watching Twitter and the Web for information related to chatbots [following] 

@chatbotsforum - forum bot: unofficial feed mirror of chatbots.org/ai_zone [following] 

@deliciobot - [Protected] link bot: watching Delicious and Digg for new links related to bots and robots [following]

@gabacusbot - [Broken] test bot: testing the new gabacus.com service [following] 

@GAEBot - [Protected] persistent search of Twitter for new App Engine applications

@GAEBot2 - [Reinstated] backup mirror for @GAEBot

@GBooksBot - [Favorite] book bot: dynamic search of Google Books for recent topics in AI & NLP [following] 

@green_travel_gp - simple feed bot mirror for the Green Travel group

@greentravel1 - [Search-banned] sustainable tourism newsbot

@greentravel2 - [Search-banned] persistent search of Twitter for green travel taxonomy (formerly @greentravelbot)

@guile3dforum - forum bot: unofficial feed mirror of guile3d.com/en/forum [following] 

@ibmwatsonbot - multi-agent: watching Twitter and the Web for information about IBM Watson [following] 

@infotectravel1 - news bot: watches news sources for travel technology

@infotectravel2 - [Reinstated] persistent search of Twitter for infotec-travel taxonomy

@infotectravel3 - backup

@Japbot - translator bot: auto-translating Japanese language tweets about bots and robots into English

@LonelyPlanetBot - [Protected] prototype Lonely Planet retweeter

@MelboBot - [Protected] geographic bot prototype trial 

@mendibot - [Protected] retweet bot: monitoring Twitter for anything related to mendicot or any of his bots [following] 

@metaguide - twitterlist bot: aggregating tweets from @mendicott/metaguide

@metaphorbot - monitoring Twitter for government-sponsored research programs

@Mine_Bitcoin - [Protected] retweet bot: watching Twitter for information about mining Bitcoins

@nlpbot - [Protected] multi-agent: mainly watching Twitter for information related to Natural Language Processing [following] 

@NorthIslandBot - [Protected] geographic bot prototype trial 

@opencognews - multi-agent: watching Twitter and Internet forums for mentions of @OpenCog [following] 

@personalityfora - multi-agent: watching Twitter and Facebook for mentions of PersonalityForge [following] 

@pipesnew - [Protected] multi-agent: watching Twitter and other forums for news of Yahoo! Pipes and related services [following] 

@robitron_list - forum bot: watching for new topics on tech.groups.yahoo.com/group/Robitron [following] 

@RoboJobster - jobs bot: monitoring major job auction sites for work opportunities related to bots and robots [following] 

@SecondBot - [Protected] web bot: watching the Web for information about bots and robots in Second Life [following] 

@SecondNav - [Protected] retweet bot: watching Twitter for information about bots and robots in Second Life [following] 

@SellBitcoin - [Suspended] retweet bot: watching Twitter for information about selling Bitcoins

@SemanticBot - [Protected] multi-agent: watching News and Forums for information related to the semantic web [following] 

@SemNav - [Protected] retweet bot: watching Twitter for information related to the semantic web [following] 

@sitepalforums - forum bot: unofficial feed mirror of community.sitepal.com [following] 

@skynetbot - retweet bot: monitoring Twitter for dystopian topics related to bots and robots

@TarpipeTalk - [Protected] monitoring Twitter for buzz about Tarpipe and related services [following] 

@TassieBot - [Protected] geographic bot prototype trial 

@TINewswire - [Backup] (@TravelTourismBot?)

@travlinks - [Broken] link parser bot

@TweeterBot - [Protected] backup

@Twensored - [Search-banned] retweet bot: monitoring Twitter for topics related to censorship

@twitbotix - [Protected] retweet bot: watching Twitter for information related to Twitter bots [following] 

@TwitBotTalk - twitterlist bot: aggregating retweets from @mendicott/robotix

@ultrahalforums - forum bot: unofficial feed mirror of ultrahal.com/community [following] 

@verbotsforum - [Broken?] forum bot: unofficial feed mirror of verbots.com/forums [following] 

@virtualhumans - forum bot: unofficial feed mirror of vrconsulting.it/vhf [following] 

@voicebotix - [Protected] retweet bot: watching Twitter for information related to speech synthesis and speech recognition [following] 

@WidgetNav - [Protected] (@WidgetBot?)

@yanswersbot - forum bot: watching Yahoo! Answers for questions related to bots and robots [following] 

@YapAzonNews - [Protected] watching Twitter for mentions of various Siri competitors [following]