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Multilingualism plays a pivotal role in fostering social development by promoting inclusion, preserving cultural heritage, and empowering language communities. Language Technologies, nurtured in research laboratories for half a century, are now spreading widely across numerous applications. However, the situation varies significantly among the more than 7,500 languages spoken worldwide. The 1st International Conference on Language Technology for All (LT4All 2019), held at UNESCO Headquarters in Paris in 2019 and themed Multilingualism for Building Knowledge Societies, highlighted the critical role of language and cutting-edge technology, including artificial intelligence, in shaping inclusive and cross-cultural dialogues. It addressed various aspects of multilingualism, from language preservation to the impact of digital technologies on communication, exploring the relationship between technologies and languages from scientific, technical, cultural, linguistic, economic, and political perspectives. Reportedly, LT4All 2019 spurred significant initiatives by various research institutions and major technological companies toward developing language technologies for a wider range of languages. These initiatives included creating language resources and advancing language technologies. Despite significant progress, however, many communities are still being left behind. The critical issue lies not only in creating language technologies for numerous languages but also in collaborating with communities to develop the solutions they need. The 2nd International Conference on Language Technologies for All (LT4All 2025) has as its theme Advancing Humanism through Language Technologies and as its aim furthering the agenda of language technologies with a focus on community empowerment. It will try to explore the relationships among technologies, languages, and their related communities from scientific, technical, cultural, linguistic, economic, political, and ethical perspectives. Its goal is to harness technology not only to advance itself but also to support and enhance individuals’ capabilities. LT4All 2025 will be held at UNESCO Headquarters in Paris from 24 to 26 February 2025 as part of the International Decade of Indigenous Languages (IDIL 2022-2032) and will commemorate the Silver Jubilee of International Mother Language Day. It will try to bring together scientific and technological solution providers and representatives of linguistic communities.