Ahnenblatt

Ahnenblatt is an application for managing genealogical data. The program allows you to create family trees, store detailed information about ancestors, and generate various reports and charts. It offers import and export functions in standard formats to exchange data with other researchers and platforms.

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• Centralized people management. The main function allows you to add, edit, and organize individuals within a genealogical database. Each entry can contain numerous fields for biographical data, vital events, and family relationships. The information is structured in a hierarchical and systematic manner.
• Creation of family tree diagrams. Generates graphical representations of family lineages based on the entered data. The diagrams can be ascending, descending, or circular. Allows you to customize the layout, colors, and information displayed in each node of the tree.
• Import of GEDCOM files. Loads data from files in the GEDCOM format, the universal standard for exchanging genealogical information. This function makes it possible to continue work started in other applications or receive information from collaborators.
• Export to multiple formats. Saves project data in formats such as GEDCOM, HTML, XML, RTF, or CHM (Windows Help). Exporting to HTML creates a navigable website with the genealogical information, suitable for sharing online.
• Management of sources and citations. Allows you to document the origin of each piece of entered data, linking information to specific records such as civil registers, parish books, or certificates. Maintains a record of the references used in the research.
• Automatic calculation of dates and ages. Performs chronological calculations based on the entered dates. Determines the age of individuals at specific times or calculates time intervals between events. Handles different calendars and conversions of historical dates.
• Advanced searches and filters. Locates individuals or groups according to multiple criteria such as names, dates, places, or family relationships. Filters allow you to work with specific subsets of data within the complete genealogical database.
• Multimedia management. Associates photographs, scanned documents, audio or video files with people in the family tree. Organizes multimedia material in an internal library with the ability to link items to multiple individuals.
• Generation of statistical reports. Produces quantitative analyses of the data, such as name distributions, occupation frequencies, life expectancies, or geographical movements. The reports offer a demographic perspective of the family.
• Data quality tools. Includes checkers that identify inconsistencies, duplications, or missing information in the database. Points out possible errors such as overlapping dates or biologically improbable relationships.
• Integrated geographic maps. Visualizes on maps the places associated with family events. Allows you to track migrations and geographical concentrations of ancestors across different historical periods.
• System for notes and comments. Adds extensive textual annotations to individuals, families, or specific events. Notes can contain transcriptions of documents, personal stories, or research hypotheses to be verified.
• List and card view mode. Presents genealogical information in a tabular list format or on individual cards. Each view offers different methods for navigating and editing the stored records.
• Customizable printing tools. Configures and sends diagrams, reports, or data listings to a printer. Allows you to adjust margins, scales, headers, and footers to obtain quality physical output.
• Multilingual interface. Available in several languages including Spanish, English, German, French, and others. The translation affects menus, messages, and documentation, making it easier for researchers from different regions to use.

The development of Ahnenblatt began in the year 2001 by the German programmer Dirk Böttcher. The application is primarily written in the Delphi programming language. The project maintains regular updates that incorporate new functions, technical improvements, and corrections. The development philosophy focuses on providing a comprehensive genealogical tool at no financial cost to the end user.

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