Not necessarily awesome, as this is just a (not-so-)trendy naming template for repos containing lists of links on particular topic. See also awesome-awesomeness.
ACPI DSDT in initrd?- latest patch is for 2.6.30
AUFS- superseded by OverlayFS, which is in the mainline
- BFS by Con Kolivas
- BFQ
- BLD
- CONFIG_PREEMPT_RT
- fbcondecor
- latest copyright notice is from 2009, but it is still somewhat supported by genpatches (or whatever it is called now) team (as it "usually requires little effort, and only infrequent changes to the code to match updates made in the kernel framebuffer layer")
- grsecurity
- Kernel_gcc_patch
- KernelCare
- kGraft
- ksplice
- NFS ngroups limitation bypass
- NFS selective attribute caching
- OpenVZ
- l7-filter
- LinuxIMQ
- Reiser4
- RIFS scheduler
- RSBAC
- task_diag
- TuxOnIce
- UKSM
UnionFS- superseded by OverlayFS, which is in the mainline
- wb-buf-throttle
- can be found under the name
wb-buf-throttle-*.patch - also as a branch per each version
- recent LKML announcement
- can be found under the name
- DRBD
- dtrace
- ZFS on Linux (including SPL)
- kpatch
- groeck's device drivers
- kdbus