Enca detects the encoding of text files, on the basis of knowledge of their language. It can also convert them to other encodings, allowing you to recode files without knowing their current encoding. It supports most of Central and East European languages, and a few Unicode variants, independently on language.
Gammu (formerly known as MyGnokii2) is a cellular manager for various mobile phones/modems. It supports a wide variety of Nokia, Symbian, and AT devices (Siemens, Alcatel, Falcom, WaveCom, IPAQ, Samsung, SE, and others) over cables, infrared, or BlueTooth. It contains libraries with functions for ringtones, phonebook, SMS, logos, WAP, date/time, alarm, calls, and more (used by external applications like Wammu). It also includes a command line utility that can make many things (including backups) and an SMS gateway with full MySQL and PostgreSQL support from the PHP interface.
python-gammu is a set of Python bindings for Gammu, the GSM mobile manager for various cellular phones. It can work with any phone that Gammu supports, including many models by Nokia, Siemens, and Alcatel. python-gammu is now part of the Gammu project and it does not have separate releases anymore.
Wammu is a mobile phone manager that uses Gammu as its backend. It works with any phone that Gammu supports, including many models from Nokia, Siemens, and Alcatel. It has complete support (read, edit, delete, copy) for contacts, todo, and calendar. It can read, save, and send SMS. It includes an SMS composer for multi-part SMS messages, and it can display SMS messages that include pictures. Currently, only text and predefined bitmaps or sounds can be edited in the SMS composer. It can export messages to an IMAP4 server (or other email storage).
Photo uploader is a command line utility (and Python module) for uploading photos to online services such as minilabs for printing or image sharing sites. It currently supports only a few services in Czechia as well as some image sharing sites like imageshack, but can be easily extended to support others.
Lazygal is another static Web gallery generator. It is command line based, uses a reusable engine and is lazy, meaning that it regenerates only parts that have to be regenerated. There is support for many interesting features like subgalleries, EXIF information, theming, and custom folder meta data. Included themes are pure XHTML and CSS.