Powerful archiving and search for Twitter and App.net. Watermark doesn't just keep your own tweets and favorites forever — it stores every tweet and App.net post from everyone you are following, so you can find what you need no matter who posted it.

Plus it's got advanced features like grouping tweets in named collections, saved filters that can be shared, and Dropbox sync for easy exporting.

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“I use Watermark on a daily basis to retrieve tweets that have been shared in my timeline — status updates that would be hard to retrieve using Twitter’s web interface, let alone the official apps.” — Federico Viticci, MacStories

Search results Date filtering Copy to collection Published collection