In the late 2000s, PhpGedView emerged as a pioneering open-source platform that enabled genealogists to digitize and share family histories online using the GEDCOM file format. Built on collaboration and community input, it gained widespread popularity among hobbyists and researchers who valued its accessibility and ability to connect distant relatives. However, around 2009–2010, a pivotal decision by its core developers to reduce encryption standards for private data—particularly information about living individuals—sparked intense backlash. Users viewed this shift as a fundamental breach of trust, undermining the privacy protections they relied on to safeguard sensitive family information. The move, justified by developers as a way to simplify software maintenance and improve compatibility, was perceived by many as prioritizing technical convenience over ethical responsibility. This conflict ignited heated debates across forums and mailing lists, revealing a deep rift between the development team and its user base. In response, a group of concerned developers and users, led by Nigel Horne, initiated a ’fork’ of the project—taking the existing codebase to create a new, independent platform named webtrees in 2010. This new project was founded on a clear mission: to uphold robust data privacy, ensure strong encryption for sensitive records, and foster a transparent, community-driven development model. Unlike its predecessor, webtrees prioritized user control, implemented enhanced tools for managing duplicates and media, introduced intuitive visualizations like fan charts, and maintained active, inclusive dialogue with its user community. The result was a rapid migration of users and developers from PhpGedView to webtrees, which soon surpassed the original in innovation, security, and adoption. PhpGedView gradually lost momentum and eventually ceased active development, marking a rare case in open-source history where a community effectively redirected the future of a technology by voting with their participation. Today, webtrees remains a vibrant, actively maintained platform used globally by individuals and genealogical societies alike. It continues to evolve with modern web standards, mobile optimization, and integration capabilities, all while adhering to its founding principles of privacy, transparency, and user empowerment. The story of webtrees is more than a software origin tale—it underscores the profound impact of ethical decisions in technology, demonstrating how user trust, when broken, can catalyze grassroots innovation. It highlights the power of open-source communities to self-correct and build alternatives that reflect shared values, proving that even niche tools can become enduring legacies when rooted in respect for personal data and collective stewardship. Ultimately, the rise of webtrees serves as a lasting reminder that behind every line of code lies a human story—one shaped by trust, conflict, and the enduring desire to preserve identity across generations.