Geeklog is the weblog software that concentrates on performance, privacy, and security. It features Web-based administration, surveys (polls), user-customizable boxes, a friendly administration GUI with a topic manager, an option to edit or delete stories, an option to delete comments, a search engine, backend/headlines generation (RSS/Atom format), calendaring, and much more.
Nearforums is a lightweight powerful discussion forum that can be installed within minutes on Linux or Windows servers with MySQL or MS SQL database servers. It includes great features like sign-in with Facebook/Twitter, navigation with tags, full Web administration, built-in search engine, RSS feeds, and accessible HTML. It is SEO friendly.