I think this is the most comprehensive learning resources about OpenFOAM.

Official websites

1. https://openfoam.org/
2. https://github.com/OpenFOAM/OpenFOAM-dev
3. https://www.openfoam.com/
4. https://develop.openfoam.com/Development/openfoam
5. https://sourceforge.net/projects/foam-extend/
6. http://openfoamworkshop.org/

Installation

1. online installation
2. compilation
3. ansibleFoamInstallation

Best of the Best

1. User Guide
2. Getting Started with OpenFOAM-wyldckat
3. wolfdynamics
4. wikiOpenFOAM “3 weeks” series
5. A little User-Manual
6. CFD with OpenSource Software-Chalmers
7. OpenFOAMwiki
8. OpenFOAMwiki-Tutorials
9. PSU-OpenFOAM-Course-Notes
10. BasicOpenFOAMProgrammingTutorials
11. OpenFOAM-Tutoring
12. OpenFOAM-study
13. Cyprien Soulaine-OPENFOAM® TRAINING
14. OpenFOAM workshop

Books

1. The finite volume method in computational fluid dynamics : an advanced introduction with OpenFOAM® and Matlab®
2. Mathematics, Numerics, Derivations and OpenFOAM®
3. The OpenFOAM Technology Primer
4. The OpenFOAM Technology Primer
5. Getting Started with OpenFOAM® Technology: RAW
6. Jasak’s Phd thesis
7. Algorithm on Solvers and Models in OpenFOAM

Blogs

1. 苏军伟
2. 苏军伟博文集
3. Jasak
4. cfdyna
5. 东岳流体
6. WayneWangY
7. Giskard’s CFD Learning Tricks
8. Tobias Holzmann
9. sourceflux
10. Fumiya Nozaki’s CFD Blog
11. Fumiya Slides
12. OpenFOAM 之道
13. 硫酸亚铜
14. penguinitis
15. Jibran Haider
16. CFD Notes by Hiroaki Nishikawa
17. CFD软件工程——OpenFOAM
18. CFD SUPPORT
19. snow-stone
20. compressibleFoam
21. TU Wien
22. Miture of ice and fire
23. ProbabilisticMoney
24. Lianhua Zhu’s Blog
25. The Foam House
26. Alberto Passalacqua
27. Zmeng Blogs
28. Hassan Kassem
29. Dezhi Dai
30. FoamScience
31. petebachant
32. Mark Olesen
33. xxyhjy的专栏
34. Jay_见贤思齐
35. 蝇王
36. Zcp’s Zone
37. My Heutagogy
38. MYJ Blog
39. 小厨房

YouTube

1. Jasak
2. Kenneth Hoste
3. Theo Ong
4. József Nagy
5. OpenFOAM Tutorials
6. 8th Floor CFD@FSB
7. Spoken tutorial

Forums

1. cfd-online
2. cfd-china

Others

1. openfoamwiki
2. 101-things-read-starting-openfoam
3. OpenFOAM_Workshops courses
4. OpenFOAM_Workshops courses resources
5. cfd.direct
6. cfd.direct
7. researchgate Questions
8. cloudpyme
9. cae.wisc.edu
10. Programming session: from the C++ basics to the compilation of user libraries
11. Getting started with CFD packages OpenFOAM and FLUENT
12. OpenFOAM step by step tutorial (‘beginners’ version)
13. OpenFOAM course for beginners: Hands-on training

download1

download2