According to Santiment, Decentraland ($MANA) leads the rankings of top NFT projects by development, followed by Flow Blockchain ($FLOW) and Metaplex ($MPLX). These rankings reflect each project's growth in development activities compared to the previous month, providing insight into potential investment opportunities. The list is completed by Enjin ($ENJ), Axie Infinity ($AXS), and The Sandbox ($SAND), indicating a dynamic shift in the NFT development landscape.