My top ten list. With honorable mentions.
1. Dark Tranquillity - Atoma
2. KeBu - Perplexagon
3. Opeth - Sorceress
4. Katatonia - The Fall of Hearts
5. Inquisition - Bloodshed across the empyrean altar
6. Amon Amarth - Jomsviking
7. Evergrey - The Storm Within
8. GosT - Non Paradisi
9. Abbath - Abbath
10. Harakiri for the Sky - III: Trauma
HONORABLES
Rimfrost - Rimfrost
Perturbator - The Uncanny Valley
Meshuggah - The Violent Sleep of Reason
Brujeria - Pocho Aztlan