+* <http://www.eevblog.com/forum/crowd-funded-projects/libre-risc-v-m-class-with-open-source-gpu-and-kazan-vulkan-driver/>
+* <https://www.reddit.com/domain/libre-riscv.org/>
+* <https://hardware.slashdot.org/comments.pl?sid=13447940&cid=58160868>
+* <https://www.phoronix.com/forums/forum/hardware/graphics-cards/1080755-libre-risc-v-gpu-aiming-for-2-5-watt-power-draw-continues-being-plotted/page5>
+* <https://www.phoronix.com/forums/forum/hardware/processors-memory/1070828-more-details-on-the-proposed-simple-v-extension-to-risc-v-for-gpu-workloads>
+* <https://slashdot.org/submission/9750302/nlnet-funds-development-of-a-libre-risc-v-3d-cpu>
+* <https://hardware.slashdot.org/story/19/06/02/0153243/nlnet-funds-development-of-a-libre-risc-v-3d-cpu>
+* <https://www.phoronix.com/forums/forum/hardware/graphics-cards/1104124-libre-risc-v-snags-50k-eur-grant-to-work-on-its-risc-v-3d-gpu-chip/page6>
+* <https://news.ycombinator.com/item?id=21112341>
+* <https://www.reddit.com/r/RISCV/comments/db04j3/libreriscv_3d_cpugpu_seeks_grants_for_ambitious/>
+* <https://hardware.slashdot.org/story/19/09/29/1845252/libre-risc-v-3d-cpugpu-seeks-grants-for-ambitious-expansion>
+
+# Information Resources and Tutorials
+
+* <https://github.com/timvideos/litex-buildenv/wiki/LiteX-for-Hardware-Engineers>
+* <https://jeffrey.co.in/blog/2014/01/d-flip-flop-using-migen/>
+* <http://lists.libre-riscv.org/pipermail/libre-riscv-dev/2019-March/000705.html>
+* <https://chisel.eecs.berkeley.edu/api/latest/chisel3/util/DecoupledIO.html>
+* <http://www.clifford.at/papers/2016/yosys-synth-formal/slides.pdf>
+* <http://blog.lambdaconcept.com/doku.php?id=migen:tutorial>
+* <http://chiselapp.com/user/kc5tja/repository/kestrel-3/dir?ci=6c559135a301f321&name=cores/cpu>
+* <https://chips4makers.io/blog/>
+* <https://hackaday.io/project/7817-zynqberry>
+* <https://wiki.f-si.org/index.php/FSiC2019>
+* <https://github.com/efabless/raven-picorv32> - <https://efabless.com>
+* <https://efabless.com/design_catalog/default>
+* <https://toyota-ai.ventures/>
+* <https://github.com/lambdaconcept/minerva>
+* <https://en.wikipedia.org/wiki/Liskov_substitution_principle>
+* <https://en.wikipedia.org/wiki/Principle_of_least_astonishment>
+* <https://peertube.f-si.org/videos/watch/379ef007-40b7-4a51-ba1a-0db4f48e8b16>
+* <https://github.com/riscv/riscv-sbi-doc/blob/master/riscv-sbi.md>
+* <https://mshahrad.github.io/openpiton-asplos16.html>
+* <https://wiki.f-si.org/index.php/The_Raven_chip:_First-time_silicon_success_with_qflow_and_efabless>
+* <http://smallcultfollowing.com/babysteps/blog/2019/04/19/aic-adventures-in-consensus/>
+* <http://www.crnhq.org/12-Skills-Summary.aspx?rw=c>
+* <http://bugs.libre-riscv.org/buglist.cgi?columnlist=assigned_to%2Cbug_status%2Cresolution%2Cshort_desc%2Ccf_budget&f1=cf_nlnet_milestone&o1=equals&query_format=advanced&resolution=---&v1=NLnet.2019.02>
+* <https://pdfs.semanticscholar.org/5060/4e9aff0e37089c4ab9a376c3f35761ffe28b.pdf>
+* <http://www.acsel-lab.com/arithmetic/arith15/papers/ARITH15_Takagi.pdf>
+* <https://youtu.be/o5Ihqg72T3c>
+* <http://flopoco.gforge.inria.fr/>
+* Fundamentals of Modern VLSI Devices <https://groups.google.com/a/groups.riscv.org/d/msg/hw-dev/b4pPvlzBzu0/7hDfxArEAgAJ>
+
+# Analog Simulation
+
+* <https://github.com/Isotel/mixedsim>
+* <http://www.vlsiacademy.org/open-source-cad-tools.html>
+* <http://ngspice.sourceforge.net/adms.html>
+* <https://en.wikipedia.org/wiki/Verilog-AMS#Open_Source_Implementations>