Wikisource
https://wikisource.org/wiki/

Internet Archive
https://archive.org/details/texts

HathiTrust
https://www.hathitrust.org/

SCRIBD
https://www.scribd.com/

Internet Sacred-Texts Archive
https://sacred-texts.com/index.htm

The Internet Encyclopedia of Philosophy (IEP)
https://iep.utm.edu/

Stanford Encyclopedia of Philosophy
https://plato.stanford.edu/index.html

The History of Philosophy
https://www.historyofphilosophy.net/

Wisdom Library
https://www.wisdomlib.org/

1. Vivekachudamani > https://www.wisdomlib.org/hinduism/book/vivekachudamani

2. Rig Veda > https://www.wisdomlib.org/hinduism/book/rig-veda-english-translation

Sanskrit Documents
https://sanskritdocuments.org/

Gita Supersite
https://www.gitasupersite.iitk.ac.in/

1. Śrīmadbhagavadgītā > https://www.gitasupersite.iitk.ac.in/srimad

2. Yoga Sutra > https://www.gitasupersite.iitk.ac.in/yogasutra_content

3. Concept Maps > https://www.gitasupersite.iitk.ac.in/conceptmaps

Wikisource Sanskrit
https://w.wiki/8k6n

1. 法華経/Saddharma-Puṇḍarīka-Sūtra > https://w.wiki/F37T

Wikipedia Sanskrit
https://w.wiki/85Yr

Perseus Digital Library
https://www.perseus.tufts.edu/hopper/collections

1. Aristotle, Nicomachean Ethics > https://t.ly/03kpp

2. Aristotle, Metaphysics > https://t.ly/evyT5

Internet Archive
https://archive.org/details/texts

1. Aristotle On The Soul > https://archive.org/details/in.ernet.dli.2015.183331

Scaife Viewer Library
https://scaife.perseus.org/library/

1. Aristotle, De spiritu > https://scaife.perseus.org/library/urn:cts:greekLit:tlg0086.tlg043/

Wikipedia
https://t.ly/JAdHm

Islamweb.net
https://islamweb.net/ar/library/

イスラム情報サービス
https://islam.ne.jp/

ペルシャ語電子図書館
https://literaturelib.com/
https://sohalibrary.com/

ganjoor.net(ペルシャ語の詩)
https://ganjoor.net/

ウィキソース
https://ja.wikisource.org/wiki/

青空文庫
https://www.aozora.gr.jp/

维基文库(ウィキソース)
https://zh.wikisource.org/wiki/

Chinese Text Project
https://ctext.org/

大谷チベット文献 E-Texts
https://web.otani.ac.jp/cri/twrpw/results/e-texts/