X-link to the DRM-free megathread for some bundles:
The VanderMeer Winter Mix Tape Bundle from StoryBundle, curated by Weird Tales editor Ann VanderMeer & Nebula Award-finalist Jeff VanderMeer includes a mix of foreign sf/fantasy works in translation as well as more conventional offerings by various award-finalists. There's a World Fantasy Award-finalist novel, a Spanish steampunk anthology, a space opera anthology featuring women heroes, the complete works of Finnish author Leena Krohn, and more.
Also, the
Humble Book Bundle Prime Sci-Fantasy has updated, with 3 more anthologies added to the middle tier.