The single greatest resource for all Samskrita students
https://ashtadhyayi.com/ is the one resource that you cannot live without.
Amazing in scope, brilliant in depth and a source of credible information
Dhatu Patha
धातुः is the root of all Sanskrit words!
An example is भू which is defined as सत्तायाम् (being, existence).
Each dhatu is categorized differently from a grammatical perspective (भ्वादि, अकर्मक etc)
Dhatu patha gives a list of all the ‘roots’ from which all other word forms are generated.
Clicking on each Dhatu gives you the various forms like Lakaras (verbs) – Kartari and Bhavakarmani forms, Sannanta, Nijanta, Yunganta as well as the important Kridanta and Upsaraga forms.
In the case of some dhatus, typical usages are also provides
For experts, it is interesting to note that by clicking on each word form, you can get the prakriya (derivation process) also in a pop-up
Very cool!
Shabda Patha
Shabda Patha gives a list of common noun forms and their Vibhakti (inflected) forms
Example: the typical अकारान्तः पुंलिङ्गः form is exemplified by रामः।
Sutra Patha
The Sutra Patha gives a list of all the Paniniya Sutras and their commentaries along with explanations
The Right Hand Menu provides a list of critical resources including Ganapatha as well as Unadi Pathas
Ashtadhyayi.com is a treasure created by Shri Neelesh Bodas and team. This is something each and every Samskrita student should be using every day
For those who are interested in more details, these are provided in my old thread attached below