You can find digital versions of the original Sanskrit text and its famous commentary, the by Kshemaraja, through these platforms: Internet Archive : Offers various volumes of the original Kashmir Series of Texts and Studies (KSTS) edition. The Swacchanda Tantra Vol I (Sanskrit text with commentary). The Svacchanda Tantram (Multiple Volumes) (Scanned copies of various editions).
For those seeking physical copies or modern English interpretations, the following titles provide selected translations of the text: The Swacchanda Tantra Vol I : Kshemaraja - Internet Archive 28 Jan 2017 —
Svacchanda Tantra is a foundational text in the Kashmir Shaivism
: Hosts several versions, including the Paramhansa Mishra edition. The Svachchhanda Tantra with Commentary of Kshemaraja (Includes English introductory material). Wisdom Library : Provides a detailed historical study and partial English translation based on William James Arraj's dissertation. Svacchandatantra: History and Structure Recommended English Translations (Books)
(Trika) tradition, primarily known for its exhaustive detail on non-dualistic rituals and meditation. While a complete, definitive English translation of all 15 volumes does not yet exist, several scholarly resources and partial translations are available for study. Accessing the Svacchanda Tantra (PDF & Digital)