Several active VK (ВКонтакте) communities serve as digital libraries for guitarists, offering downloadable PDF songbooks, instructional methods, and tablatures. Top Guitar Book & Tab Communities on VK
If you are looking for specific recent materials or a community to request files, you should check out these active groups and discussion threads: guitar books tabs vk.com
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Let’s be transparent. A lot of the content found via guitar books tabs vk.com is copyrighted material uploaded without permission. Metallica - Master of Puppets
Most of this content is copyrighted and uploaded without permission. Use VK as a research tool. If a book changes your playing, consider buying the official copy to support the author. For public domain music (pre-1928), everything is fair game. The Mobile Experience One of the biggest advantages
Metallica - Master of Puppets.gp5Slash - Appetite for Destruction (Book).pdfOne of the biggest advantages of VK over Torrent sites is mobile usability. The VK mobile app (iOS/Android) has a built-in PDF viewer.