TCAE is a flexible and automated system of standalone modules for engineering simulations. Modules in TCAE version 21.02 use the following open-source tools: OpenFOAM-dev-1bbbd40a0d4e (version distributed via openfoam.org), ParaView 5.8.1, Calculix 2.17, NetGen 6.2.2004, GCC 9.3, CGAL 4.7, Python 3.7.2, bison 3.0, boost 1.62.0, cairo 1.14.6, CGNS 3.4.0, cmake 3.16.5, expat 2.2.0, flex 2.6.0, fontconfig 2.12.1, freesteam 2.1, freetype 2.7, glib 2.50.0, gnuplot 5.2.8, graphviz 2.38.0, gsl 2.3, harfbuzz 1.3.2, hdf5 1.10.6, hwloc 1.11.4, icu 58.2, libcgnsoo 3.0, libffi 3.2.1, libpng 1.6.25, libxml2 2.9.7, libxslt 1.1.32, llvm 9.0.1, m4 1.4.17, mc 4.8.18, mesa 18.3.1, openmpi 3.1.6, MSMPI 10.1.12498.18, pango 1.40.3, pcre 8.39, pixman 0.34.0, qt 5.9.9, rdma-core 13, scotch 6.0.3, spooles 2.2, slang 2.1.4, zlib 1.2.8, arpack, curl 7.75.0.