BundlesDownload a whole source at once
Each archive holds every downloadable family from one source, each in its own folder with the original files, the licence text and the README, exactly as in that family's own zip. 5 archives, 25.1 MB in all.
Google Fonts
30 families · one more listed with a link
Anuphan, Athiti, Bai Jamjuree, Chakra Petch, Charm, Charmonman, Chonburi, Fahkwang, IBM Plex Sans Thai, IBM Plex Sans Thai Looped, Itim, K2D, Kanit, Kodchasan, KoHo, Krub, Maitree, Mali, Mitr, Niramit, Pattaya, Playpen Sans Thai, Pridi, Prompt, Sarabun, Sriracha, Srisakdi, Taviraj, Thasadith, Trirong
Noto
3 families
Noto Sans Thai, Noto Sans Thai Looped, Noto Serif Thai
DIP/SIPA national fonts
11 families · 3 more listed with links
TH Baijam, TH Chakra Petch, TH Fah Kwang, TH K2D July8, TH Kodchasal, TH KoHo, TH Krub, TH Mali Grade 6, TH Niramit AS, TH Sarabun New, TH Sarabun PSK
NECTEC and the Thai Linux Working Group
16 families
Arundina Sans, Arundina Sans Mono, Arundina Serif, Garuda, Kinnari, Laksaman, Loma, Norasi, Purisa, Sawasdee, Tlwg Mono, Tlwg Typewriter, Tlwg Typist, Tlwg Typo, Umpush, Waree
The GPL asks that the source goes with these fonts: the TLWG source package (8.2 MB), the same release the files were built from.
Independent foundries
7 families
Boon, BoonJot, BoonTook, LINE Seed Sans TH, Lunvon, Plaimanas07, Samphan Condensed