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Recaptcha Serendipity Plugin Download serendipity_event_recaptcha version 0.20.1 (GPL, Last Updated 2017-02-05) Christian Brabandt (based on work of Garvin Hicking, Sebastian Nohn) Serendipity >= 1.0 Enabling a recaptcha for commenting articles (You need to apply for a key)   Download Link: http://spartacus.s9y.org/cvs/additional_plugins/serendipity_event_recaptcha.zip

Markup: clickable email adresses - but with antispam Serendipity Plugin Download rendipity_event_email_bot_obfuscator version 1.03 (GPL, Last Updated 2016-01-06) Stephan Manske, Ian Serendipity  0.8 Makes email addresses clickabe, but obfuscates them to block spam harvester bots   Download Link: http://spartacus.s9y.org/cvs/additional_plugins/serendipity_event_email_bot_obfuscator.zip