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arrow.apache.orgShare columnar in-memory data across languages with a common format and library ecosystem.
Share columnar in-memory data across languages with a common format and library ecosystem.
Automate text-heavy tasks and build scripts with Perl's mature language and module ecosystem.
Research trading decisions with reinforcement-learning experiments
Open courses across UNESCO's fields of work
Humanitarian learning organized around roles and needs
AI language tutor for conversation practice in 30+ languages
AI language app that focuses on spoken practice with the Speak Tutor.
Video-based language learning with a dedicated study player.
Personalized online language lessons and teacher matching.
AI language tutoring with conversation practice and feedback
Searchable language lessons organized by level and modality.
AI language tutor with lessons that adapt to you
Conversation coaching connected to university language classes.
Audio and video language lessons with study tools.
Self-directed professional learning for UN personnel
Language-learning methods, courses and speaking-focused guidance.
Developer-oriented machine-learning tutorials and project guides
Industrial automation e-learning and virtual instruction.
Tamil online learning and language resources.
Structured lifelong learning for the health workforce