Woclema is weblogging software that is intended to be managed and edited using the command line. However, there is no reason a HTML UI couldn't be implemented. Woclema offers template-based layout, strict XHTML output, post categories, permanent links, comments, and simple spam-protection.
E-Newz Flash is a simple add-on to any Web site which allows you to post news items or quick notices and updates without the complexity of a full blog. E-Newz Flash has a simple entry form for posting, updating, and deleting items. It supports smilies, RSS feeds, comments, archiving, and subscriptions.
Dream Diary is an encrypted diary application. It allows styled text with embedded images which the application can download from the Web. It indexes words to make it easy to search on words or phrases. It uses strong encryption (Blowfish) on all diary entries. Although it was originally designed for recording dreams, it can be used for any kind of diary or notebook.
PluggedOut Blog is a script you can run on your Web server to give you an online multi-user journal or diary. It can be used equally well for any kind of calendar application. Rather than give you a thousand things you don't really want, it provides the essential diary or journal functions that most people are going to need. PluggedOut will work with your site layout instead of forcing you to use a predefined layout. The blog is easily extended with custom plugins.