Formerly known as the Tamil Virtual University, this government-backed initiative offers meticulously proofread Shaiva Agama texts. Their Thevaram PDFs feature:

: Each hymn is set to a specific "Pan" (ancient Tamil musical scale). A good guide will list the Pan for each Patigam (set of verses). Word-by-Word Meaning

For high-quality, authentic versions of the Thevaram in Tamil script, the following platforms are reputable sources: