Buddhism and Jainism, emerging in the 6th century BCE, profoundly impacted Indian society, challenging existing norms and introducing new philosophical and ethical frameworks. Their influence spanned social, religious, economic, and political spheres.

Impact of Buddhism:

1. Challenge to Caste System: Buddhism rejected the rigid caste hierarchy and the concept of ritual purity, advocating for equality among all individuals. This offered an alternative social structure, attracting many from lower castes and women.
2. Emphasis on Non-Violence (Ahimsa): The core principle of ahimsa promoted compassion towards all living beings, influencing dietary habits (vegetarianism) and reducing animal sacrifices prevalent in Vedic rituals. This had a significant impact on social ethics.
3. Spread of Education and Learning: Buddhist monasteries (viharas) became centers of learning and scholarship, fostering intellectual discourse and contributing to the development of logic, philosophy, and literature. Universities like Nalanda and Vikramshila emerged from this tradition.
4. Art and Architecture: Buddhism inspired a rich tradition of art and architecture, including stupas, chaityas, viharas, and intricate sculptures, which became integral to India's cultural heritage.
5. Political Influence: Rulers like Ashoka the Great adopted Buddhism, leading to its widespread propagation and influencing state policies towards peace, welfare, and ethical governance.
6. Vernacular Languages: Buddhist texts were often written in Pali and other Prakrit languages, contributing to their development and making religious teachings accessible to a wider populace.

Impact of Jainism:

1. Extreme Ahimsa: Jainism's emphasis on extreme non-violence extended to all forms of life, influencing not only human-animal relations but also occupational choices. Many Jains gravitated towards trade and commerce, as agriculture involved harming insects.
2. Asceticism and Self-Control: Jainism promoted rigorous asceticism, self-discipline, and renunciation, which influenced spiritual practices and ethical living among its followers.
3. Contribution to Trade and Commerce: Due to their non-violent principles, Jains often engaged in mercantile activities, contributing significantly to the economic development of various regions.
4. Ethical Principles: Jainism's five vows (Ahimsa, Satya, Asteya, Brahmacharya, Aparigraha) provided a strong ethical code that influenced personal conduct and societal values.
5. Literature and Philosophy: Jain scholars made significant contributions to Indian literature, particularly in Prakrit, Apabhramsha, and Kannada languages, developing unique philosophical concepts like Anekantavada (multi-faceted reality) and Syadvada (conditional predication).
6. Social Reform: Like Buddhism, Jainism also challenged the Brahmanical dominance and offered a more egalitarian path to spiritual liberation, though its social impact was perhaps less widespread than Buddhism due to its stricter ascetic demands.

Common and Enduring Impacts: Both religions contributed to a more pluralistic and tolerant society, fostering intellectual inquiry and ethical consciousness. They questioned the ritualistic excesses of the Vedic period, promoted a more individualistic path to salvation, and enriched India's philosophical and cultural landscape, leaving an indelible mark on its social fabric.