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Up-to-date urology textbook for physicians and healthcare professionals. There is a free 30-day trial membership, check it out:

Creator of StreetComplete and related free and open source libraries

Сервис онлайн-транслитерации

I develop open-source software and produce instructional videos focused on recreational programming, all offered at no cost.

Bringing joy & creativity to childhood since 2006.

Help to improve Phosh and the Linux Mobile Eco System to make it an appealing and long term sustainable option for everyone.

A competitive matchmaking and stat-tracking platform for the melee slasher game Mordhau