Professional: SubiektGT, Gestor, IDS System, WaproMAG, Microsoft Office, Outlook, Thunderbird, Libra Office, prices comparison, comercial offers, data analisys, troubleshooting, technical support, customer service, project management, multiple warehouses management.

Private: Reason, Recycle, Reaper, DaVinci Resolve, Cubase, Protools, VST plugins, mixing processing, mastering processing, basic piano play, basic guitar play, basic accordion play, lyric writing, performance, music composition, beatmaking, sound engineering, Polish English translation, audio visuals with graphic AI design, standard music video making.