28 classical Vedic astronomy and astrology texts — all free to read and download via archive.org. Click any title to open the source.
Public Domain CC0 Open Access — license classification
All Texts Astronomy5 Natal10 Predictive3 Jaimini1 Muhurta2 Prashna3 KP System2 Nadi2
Text Author Year Category License
Lagadha
~1200 BCE
Astronomy
Public Domain
Aryabhata I
499 CE
Astronomy
Public Domain
Surya Siddhanta Anonymous (trans. Burgess, 1858) · ~400 CE (Burgess trans. 1858)
Astronomy Public Domain
Anonymous (trans. Burgess, 1858)
~400 CE (Burgess trans. 1858)
Astronomy
Public Domain
Panchasiddhantika Varahamihira (trans. Thibaut & Dvivedi, 1889) · ~550 CE (trans. 1889)
Astronomy Public Domain
Varahamihira (trans. Thibaut & Dvivedi, 1889)
~550 CE (trans. 1889)
Astronomy
Public Domain
Brahmagupta
628 CE
Astronomy
Open Access
Maharishi Parashara (trans. Santhanam)
~7th–8th c. CE
Natal
Open Access
Brihat Jataka Varahamihira (trans. Suryanarain Rao, 1905) · ~580 CE (trans. 1905)
Natal Public Domain
Varahamihira (trans. Suryanarain Rao, 1905)
~580 CE (trans. 1905)
Natal
Public Domain
Brihat Samhita Varahamihira (trans. Subrahmanya Sastri, 1946) · ~550 CE
Natal Open Access
Varahamihira (trans. Subrahmanya Sastri, 1946)
~550 CE
Natal
Open Access
Saravali Kalyana Varma (trans. Santhanam) · ~800 CE
Natal Open Access
Kalyana Varma (trans. Santhanam)
~800 CE
Natal
Open Access
Phaladeepika Mantreshwara (trans. Subrahmanya Sastri, 1950) · ~16th c. CE
Natal Open Access
Mantreshwara (trans. Subrahmanya Sastri, 1950)
~16th c. CE
Natal
Open Access
Jataka Parijata Vaidyanatha Dikshita (trans. Subrahmanya Sastri, 1932) · ~1425 CE (trans. 1932)
Natal Open Access
Vaidyanatha Dikshita (trans. Subrahmanya Sastri, 1932)
~1425 CE (trans. 1932)
Natal
Open Access
Sarvartha Chintamani Venkatesa Sarma (trans. Suryanarain Rao, 1899) · ~13th c. CE (trans. 1899)
Natal Public Domain
Venkatesa Sarma (trans. Suryanarain Rao, 1899)
~13th c. CE (trans. 1899)
Natal
Public Domain
Ramanujacharya (trans. B.V. Raman)
Traditional
Natal
Open Access
Bhatta Narayana
Traditional
Natal
Open Access
Hora Sara Prithuyasas (trans. Santhanam) · ~6th c. CE
Natal Open Access
Prithuyasas (trans. Santhanam)
~6th c. CE
Natal
Open Access
Parashara school (trans. O.P. Verma)
Traditional
Predictive
Open Access
Uttara Kalamrita Kalidasa (trans. Subrahmanya Sastri) · Traditional
Predictive Open Access
Kalidasa (trans. Subrahmanya Sastri)
Traditional
Predictive
Open Access
Achyuta & Venkatesa (trans. Santhanam)
Traditional Kerala
Predictive
Open Access
Jaimini Sutras Maharishi Jaimini (trans. Suryanarain Rao, 1902) · Ancient (trans. 1902)
Jaimini Public Domain
Maharishi Jaimini (trans. Suryanarain Rao, 1902)
Ancient (trans. 1902)
Jaimini
Public Domain
Rama Daivagya
~1600 CE
Muhurta
Open Access
B.V. Raman
1942
Muhurta
Open Access
Kerala tradition (trans. B.V. Raman)
~16th–17th c. CE
Prashna
Open Access
B. Suryanarain Rao
1946
Prashna
Open Access
K.S. Krishnamurti
1960s
KP System
Open Access
K.S. Krishnamurti
1970s
KP System
Open Access
R.G. Rao (Bhrigu tradition)
1980s
Nadi
Open Access
N. Srinivasan Shastry
Modern
Nadi
Open Access
All texts are freely available on archive.org. "Public Domain" entries are definitively clear (pre-1928 publications or explicitly cleared). "CC0" entries are dedicated to the public domain by their uploader. "Open Access" entries are freely hosted on archive.org — individual copyright status for post-1928 Indian publications may vary, but no active enforcement is known.