• SpokenSanskrit: Sanskrit-English Dictionary
• SanskritDictionary: Sanskrit-English Dictionary
• Héritage du sanskrit: Sanskrit-French dictionary, by Gérard Huet (or PDF format)
• Sanskrit-English dictionary etymologically and philologically arranged, with special reference to cognate Indo-European languages, by Monier Monier-Williams (1899)
or other version & online search or by alphabetical order (transliteration)
• Practical Sanskrit-English dictionary by Vaman Shivram Apte (1965, édition révisée) or online search
• Student's Sanskrit-English dictionary by Vaman Shivram Apte (1891) or online search
• Practical Sanskrit dictionary by Arthur Macdonell (1929) or online search
• Sanskrit-English dictionary by Carl Capeller (1891) or online search
• Sanskrit-English dictionary & etymologies and comparisons of cognate words chiefly in Greek, Latin, Gothic, and Anglo-Saxon, by Theodor Benfey (1866)
• The roots, verb-forms and primary derivatives of the Sanskrit language by William Dwight Whitney (1885) 
• Glossarium Sanscritum: Sanskrit-Latin dictionary, by Franz Bopp (1847)
• Radices linguæ sanscritæ: roots of the Sanskrit language (in Latin) by Niels Ludvig Westergaard (1841)
• Shabda kalpadrum, an encyclopædic dictionary of Sanskrit (with etymological origins) by Radha Kanta Deva (1967) : I & II - III - IV - V
• Cologne University: Sanskrit dictionaries
→ Devenagari Sanskrit Keyboard to type a text with the Sanskrit characters
→ Vedic Sanskrit Keyboard to type a text with the Ancient Sanskrit characters used in the Vedas
→ Uttara Sanskrit keyboard to type the ancient characters used in the North
→ Latin Sanscrit Keyboard for Sanskrit transliteration
→ Sanskrit Conversion Devanagari-Latin
• Practical Sanskrit introductory by Charles Wikner (1996)
• University of Texas: Ancient Sanskrit, by Karen Thomson & Jonathan Slocum
• Sanskrit, introductory course, based on Jīva Gosvāmī's grammar (2000)
• The Sanskrit language by Thomas Burrow (1973)
• Sanskrit grammar for students by Arthur MacDonnel (1927)
• Practical grammar of the Sanskrit language by Monier Monier-Williams (1878)
• Elementary grammar of the Sanscrit language by Monier Monier-Williams (1846)
• Practical grammar of the Sanskrit language for the use of early students, by Theodor Benfey (1868)
• Sanskrit grammar for beginners, in Devanāgarī and Roman letters throughout, by Max Müller (1866)
• books & papers about the Sanskrit language: Google books | Internet archive | Academia | Wikipedia
ॐ मणि पद्मे हूँ
oṃ maṇi padme hūṃ
The Grantha alphabet was used to write the Sanskrit sacred texts in the Tamil country.
• Virtual Vinodh: the Grantha alphabet
• British Library: manuscript of the Mewar Ramayana (selection)
• ValmikiRamayan: Ramayana, bilingual text Sanskrit-English
• Wikisource: Ramayana in Sanskrit & translation in English
• Bhagavad-gita: Bhagavad-gītā, multilingual version, in Sanskrit characters & transliterated version (+ audio)
• Ramakrishna: Bhagavad-gītā in Sanskrit & German translation, with grammatical analysis & vocabulary (transliterated characters)
• Maharishi university of management: Vedic texts
• books about the Sanskrit literature: Google books & Internet archive
सर्वे मानवाः स्वतन्त्राः समुत्पन्नाः वर्तन्ते अपि च, गौरवदृशा अधिकारदृशा च समानाः एव वर्तन्ते।
एते सर्वे चेतना-तर्क-शक्तिभ्यां सुसम्पन्नाः सन्ति। अपि च, सर्वेऽपि बन्धुत्व-भावनया परस्परं व्यवहरन्तु।
→ First article in different languages
→ India: maps, heritage & documents