irbasis: Open-source database and software for intermediate-representation basis functions of imaginary-time Green's function. - Naoya Chikano; Kazuyoshi Yoshimi; Junya Otsuki; Hiroshi Shinaoka (Comput. Phys. Commun., 2019)

SpM: Sparse modeling tool for analytic continuation of imaginary-time Green's function. - Kazuyoshi Yoshimi; Junya Otsuki; Yuichi Motoyama; Masayuki Ohzeki; Hiroshi Shinaoka (Comput. Phys. Commun., 2019)

CT-X: An efficient continuous-time quantum Monte Carlo impurity solver in the Kondo regime. - Changming Yue; Yilin Wang; Junya Otsuki; Xi Dai (Comput. Phys. Commun., 2019)

sparse-ir: Optimal compression and sparse sampling of many-body propagators. - Markus Wallerberger; Samuel Badr; Shintaro Hoshino; Sebastian Huber; Fumiya Kakizawa; Takashi Koretsune; Yuki Nagai; Kosuke Nogaki; Takuya Nomoto; Hitoshi Mori; Junya Otsuki; Soshun Ozaki; et al. (SoftwareX, 2023)