Send or receive command line email (Postie) or directly from any program (PostieX). An extensive set of options lets you customize every aspect of the process. Send plain-text or HTML messages and receive via POP3 or IMAP. Add attachments and inline images.
Blancmange is a mail server. Currently it supports SMTP + POP + IMAP + HTTP, as a stand-alone system. It aims to provide a fully distributed email service capable of deployment in the cloud, if there is any interest.
The original Inframail server (SMTP + POP + IMAP + NNTP + FTP + SIP + HTTP + WebDAV) is no longer available for new users. But for existing users the latest release is v8.20 of March 25, 2011.
Core mail functionality has been replaced by Blancmange. HTTP & WebDAV by Vermeer.
Biglog is a key-value storage system. It is designed to be safe, reliable and very fast. With transactions, crash-safe recovery, unlimited sparse columns, multi-values, streaming, BLOBs, and regex searches. Bigdog is a wrapper for managing multiple Biglog instances.
Vermeer is a nosql database that builds on Biglog for local storage. It supports live replication, redundancy and failover. It makes available low latency, high throughput streams combined with persistent storage and pub-sub semantics.