Top 2 spells open source projects

Sword Coast Stratagems (SCS) adds over 130 optional components to Baldur's Gate: Enhanced Edition, Baldur's Gate II: Enhanced Edition, Baldur's Gate II: Throne of Bhaal, Baldur's Gate Trilogy, mostly focused around improving monster AI and encounter difficulties, but also including cosmetic and ease-of-use components, tweaks to abilities or spells.

Templates of spells from the DnD5e ruleset (SRD and PHB), to use on FoundryVTT