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Tripwolf is the latest project launched by austrian incubator i5invest (others include email charity, Papermint and 123people), and this time it’s all about social travel meets wiki. Tripwolf scores with a very polished design, smart features against social-fatigue (i.e. importing your social graph from Facebook) and a very ajax-ified user-interface. the printed PDF-travel-guides might seem a bit oldschool but are definitely a great idea. other features like the Dopplr-like “My Trips” (just guessing…) are still to come.

If you’re eager to try it out, Tripwolf kindly provided me with 50 invites - and be sure to visit the only place in the world I’ld easily qualify for as a “trip-guru”

a common saying in web 2.0-land goes: “one never gets tired of twitter-mashups”. ok, I just made that one up. anyway, here are the three most recent twitter-mashups I’ve come across worth mentioning, in ascending order of hotness (according to my bias).

Tweetwheel

Tweetwheel displays bilateral connections between your twitter-followers (or the followers of any twitter-account, since this info is free available as of recently). nothing more to say, except that the mashup seems to have a bug or two (I can’t open my personal wheel no more, which worked yesterday. neither can I refresh it).

Twistori

the brainchild of Thomas Fuchs (script.aculo.us) and Amy How, Twistori is the Google Zeitgeist of the twittersphere. it simply aggregates emotional tweets by keywords like love, hate, wish, feel etc. and displays them in a vertical scrolling way. simple, but somehow awesome.

Twitsay

developed by Max Kossatz, Twitsay is an iteration on Dave Winer’s Twittergram. the usecase: send audio-payloads to your Twitter-stream simply by using your (mobile)phone to call a special number. other than Twittergram - which is available only through a US-line (provided by Blogtalk-Radio, afaik) - Twitsay offers regular lines for austria & germany (soon to be extended to US & UK, as I ‘ve heard from Max).

I always liked Winer’s idea for its simplicity, but never actually tried it for reasons of cost. thx to Max, now I can.