The demand for privacy-preserving tools is accelerating, driven both by government regulations and strong data privacy concerns from consumers and businesses. The global data privacy software market is projected to grow from $1.57B in 2021 to $17.75B in 2028 at a CAGR of 41.5% in the forecast period. Common privacy-enhancing technologies include cryptographic algorithms (homomorphic encryption, ZK proofs, differential privacy, etc.), data masking techniques (obfuscation, pseudonymization, etc.), as well as those involving AI/ML algorithms, such as synthetic data generation and federated learning. We categorized over 150 startups active in the sector.