What are some good websites to find unabridged versions of Hindu Scriptures and to learn Hinduism (with proper interpretations)?
Also, see:
Here are some sources.
Bhagavadgita.us [13] - This site has Bhagavad Gita with commentaries from eminent Acharyas such as Adishankaracharya, Ramanujacharya, Madhva and Gaudiya Philosophers. (Only site of Bhagavadgita with multiple commentaries).
Holybooks Hinduism [14] - For all kind of Hindu Scriptures in short size including works of modern Yogis.
Sankaracharya.org [15] - Best site for various topics such as Advaita Basics, Advaita Discussions, English translation of some works of Adi Shankaracharya, Upanishads, Bhagavad Gita, Brahma Sutras.
Veda base [16] - Best site for Srimad Bhagavatam and Gaudiya Vaishnava literature.
Vedanta Shastras Library [17] - Great site to learn Vedas, Upanishads, Brahmasutras. - For English translation of Vedanta Prashthanatrayi, Vedas, Epics, Purans, Literature of Adi Shankara, Ramkrishna and Krishnamurti and some stotras, mantras and rituals, stories etc.
Tirumala ebooks [18] - For books on Tirumala Temple, Visistadvaita Philosophy, Regional books (especially Telugu, Tamil and Hindi).
Valmikiramayana.net [19] and Valmiki Ramayana from IITK [20] - Former one has unabridged Ramayana without uttara Kahnda while latter one has Verses of Ramayana in major Indian Languages.
Mahabharatha Resources [21] - For complete Mahabhartha including Hari Vamsa Parva.
Shaivam.org [22] - For scriptures of Lord Shiva and Shaivism.
Himalayanacademy.com [23] - For Scriptures related to Agamas [24], Hindu Scriptures, Shiva-centric texts and other Spiritual books
Vedic reserve of Maharshi University [25] and GRETIL [26] - Former one has all Hindu Scriptures in Sanskrit (Devanagari) while latter one has Scriptures in IAST (Unicode (UTF-8)).
Wisdom Library Hinduism [27] - For Patanjali Yogasutras, Manusmriti, Brahma Sutras and some Upanishads.
WestBengal Dspace [28] - For Puranas in English language and Bengali.
advaita-vedanta.org [29] - For books and information about Advaita Vedanta including complete works of Sri Adishankaracharya.
Astrojyoti.com [30] - For various Gitas, tantras, Jyotishya books and abridged versions of puranas.
Aghori.it [31] - This site has information about Tantra, Sri Chakra, Chakras and other Gitas.
thevaaram.org [32] - Complete Tirumurai [33] of 12 Volumes with original verses and translation into various languages by Dharmapuram Adheenam [34].
Belur Math [35] - Complete works of Sri Swami Vivekananda.
Telugu Bhakthi [36] - For scriptures in Telugu language.
Hinduonline.co [37] - For scriptures in Sanskrit
Vedarahasya.net [38] - This site contains a few articles of Sri Maha Perival, translations of prime vedic scriptures, some rare photographs and few interesting links to other sites in the Internet
Kamakoti.org [39] - This site has works of Sri Adishankaracharya, history of Kanchi Peetam, essence of Puranas and many other books on Sanatana Dharma. This site also provides Scriptures and other books in Telugu and Tamil.
Digital Corpus of Sanskrit [44]: Only Sanskrit scriptures.
Ancient Voice [45]
Gita press IITK [46]: Various translations and commentaries on Srimad Bhagavad Gita [47]. Other Gitas, Brahma Sutra, Yog Sutra, Valmiki Ramayana, Ramacharitmanas and Principle Upanishads available in Sanskrit and in some Indian languages.
Puranic Encyclopedia [48] (nitaaiveda.com) or Puranic Encyclopedia [49] (archive.org)
sanskritweb.net [50] - For Vedas and few other scriptures in Devanagari (Text searchable formats).
Vedpuran.net [51] - For scriptures in Hindi and other languages. It contains mainly abridged versions.
literature.awgp.org [52] - (From Gayatri Parivar) For books, magazines and articles related to various Hinduism topics. Also various Shruti and Smriti treatise in Hindi.
acharya.org [53] - Sri Vaishnava books.
Holy Teachings of Vedanta [54] - [pdf] Vedanta text e.g. Bhagavad Gita, Upanishads, Brahma Sutras etc. all with various commentaries and English translation. Ramayana, Yoga Vashishtha, Srimad Bhagavatam and many more books.
Darshana Press [55] - Word to word English translation of Shad Darshana (six school of Hindu philosophy) Sutras.
Some more additional Sites (sites of Yogis and Acharyas):
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[1] http://www.indianscriptures.com