CosmoUChile: Youtube channel of the cosmology group at Universidad de Chile
CosmoConce: Group of cosmology and gravitation in Concepción.
CosmoGrav: Group of cosmology and gravitation at P. Universidad Católica de Valparaíso
CosmoGrav-UTA: Group of cosmology and gravitation at Universidad de Tarapacá
SOCHIFI: Chilean society of physics
SOCHIAS: Chilean society of astronomy
CATA: Cosmology and galaxy formation at CATA
ESO: List of chilean astronomers and astronomical institutions collected by ESO
Nucleo Milenio TITANS: Millenium Nucleus on Transversal Research and Technology to explore Supermassive Black Holes
Holography CL: Holography and its applications to High Energy Physics, Quantum Gravity and Condensed Matter Systems
Cosmic Strings band (Outreach): Cosmic Strings was formed in Valparaíso, and is composed by cosmologists, a meteorologist and astronomers from Instituto de Física y Astronomía UV.
ArXiv: Open-access repository of pre-prints.
gr-qc: Recent papers on General Relativity & Quantum Cosmology.
astro-ph.CO: Recent papers on cosmology and nongalactic astrophysics.
astro-ph.HE: Recent papers on high energy astrophysical phenomena.
astro-ph.IM: Recent papers on instrumentation and methods for astrophysics.
astro-ph.GA: Recent papers on astrophysics of galaxies
CosmoCoffee: Discussion board on software and other resources.
ASCL: Astrophysics Source Code Library.
GitHub HEP/ASTRO/COSMO: A collection of open source packages/libraries/tools on high energy astrophysics and cosmology.
Colossus: Cosmology calculator.
Ned Wright's cosmology calculator.
Hyperspace list of gravity conferences and jobs.
xACT: Libraries for abstract and component tensor math in Mathematica.
Collection of useful conventions, definitions, identities, and formulas in general relativity
NIST: Digital Library of Mathematical Functions.
RUN: Rubin Undergraduate Network
CTC: Stephen Hawking center for theoretical cosmology
EAS: European Astronomical Society
CMU: Center for cosmology & astrophysics at Carnegie Mellon University
IGC: Institute for Gravitation and the Cosmos at Penn State
Caltech: Observational cosmology at Caltech
TAPIR: Theoretical astrophysics including relativity and cosmology group at Caltech
JH: Cosmology group at Johns Hopkins University
KICP: Kavli Institute for cosmological physics at UChicago
MKI: Kavli Institute for astrophysics and space at MIT
KIPAC: Kavli Institute for astroparticles and cosmology at Stanford
ISGRG: International society on general relativity and gravitation
ISQG: International Society for Quantum Gravity
CSTQ: Center for the SpaceTime and the Quantum
ILQGS: International Loop Quantum Gravity Seminar