Exchanges is a Bash CGI script for collaborative creation of manuscripts. It allows new entries to be injected between existing entries. Owners of entries may edit or delete them. Anyone may comment on them. By default, one views the entire document. Exchanges are directory-based, with a single CGI handling multiple writing projects.
Huida is a lightweight Web-based help desk system for cases where there might be only a single responder. It could also be used for consulting, social services, or similar. It supports PayPal as a means for purchasing access to the system, has threaded queries and responses, and generates static pages of user-published content.