Kandukuri Veeresalingam Pantulu is known as the Vidyasagar of South India (specifically Andhra) for his pioneering work in widow remarriage and women's education.

Shiv Narayana Agnihotri, a former Brahmo follower, founded the Deva Samaj in 1887. It emphasized supreme moral conduct.

The Bharat Dharma Mahamandala was formed in 1902 at Varanasi to defend orthodox Hinduism, bringing together various local orthodox bodies. Pandit Din Dayal Sharma was a key founder.

Discontent with Keshub Chandra Sen (especially after he married his minor daughter to the Prince of Cooch Behar) led to another split, forming the Sadharan Brahmo Samaj in 1878.

The Indian Social Conference was founded by M.G. Ranade and Raghunath Rao. Ranade was its moving spirit and often served as president.

Swami Shraddhanand (Munshi Ram) established the Gurukul Kangri at Haridwar in 1902 to impart education based on the traditional Vedic system, distinct from the DAV college section of the Arya Samaj.

Pandita Ramabai founded the Sharada Sadan in 1889 to provide housing and education for young Hindu widows. It later moved to Pune.

The SNDP Yogam was registered in 1903 under the leadership of Sri Narayana Guru, with Dr. Palpu as its first president and Kumaran Asan as secretary.

Dayanand Saraswati is often called the 'Martin Luther of India' because of his efforts to reform Hinduism and his rejection of rituals, priesthood, and idolatry, similar to Luther's Protestant Reformation.

Raja Ram Mohan Roy wrote 'The Precepts of Jesus' (1820), where he tried to separate the moral and philosophical message of the New Testament from its miracle stories.