Best Stoffel Alternatives & Competitors in 2026

Fortanix Confidential Computing

Platform for encrypting data in use via confidential computing TEEs

DataKrypto

FHE solution encrypting data-in-use for privacy during processing & analysis

Zama Protocol

Confidential blockchain protocol using FHE for encrypted smart contracts

Fr0ntierX

Confidential computing platform securing workloads with encrypted containers

Anjuna Seaglass

Confidential computing platform for running apps in secure enclaves.

Edgeless Systems Constellation

Confidential Kubernetes distro that runtime-encrypts cloud workloads.

Edgeless Systems MarbleRun

Service mesh for Intel SGX enclave orchestration with remote attestation.

Acompany

Japanese firm offering confidential computing, AI security, and data privacy services.

Fortanix Enclave Development Platform

Development platform for building Intel SGX enclaves using Rust language

Secretarium Klave for AI

Confidential computing platform for private, verifiable AI inference on sensitive data.

Secretarium Klave Platform

Confidential computing platform for building secure, privacy-preserving applications.

Confidential Agents for RAG

Confidential computing platform for secure RAG and AI agent workflows

CYSEC ARCA Trusted OS for Clouds

Hardened OS providing trusted execution environment for VMs in clouds.

enclaive Buckypaper CVMs

Hardware-based confidential VMs for secure, isolated cloud workloads.

Lorica Private Pursuit Platform

Encrypted compute platform for AI inference and SQL search on private data.

Lorica Private Pursuit

Privacy layer enabling confidential AI & data analytics for AIaaS providers.

Lorica Private Pursuit™ Platform

FHE-based platform for encrypted AI inference and SQL queries on sensitive data.

Private Machines ENFORCER

FIPS 140-2 Level 4 tamper-proof secure server for critical infrastructure.

Microsoft SEAL

Microsoft SEAL is an open-source homomorphic encryption library that enables arithmetic computations on encrypted data without decryption, supporting privacy-preserving applications across multiple platforms.

ZAMA

Zama's fhEVM Coprocessor is an open-source tool for developing applications using Fully Homomorphic Encryption, enabling privacy-preserving computations in various domains.

Blind Insight

Privacy-preserving data analytics platform with searchable encryption

Vaultree Data-In-Use Encryption

Data-in-use encryption enabling operations on encrypted data without decryption

Vaultree Encrypted Data Suite (VEDS)

Data-in-use encryption suite enabling encrypted search, storage, and analytics

TACEO

Network for private shared state using MPC and coSNARKs for encrypted data.

OPAQUE for Secure Analytics

Enables secure analytics across data silos using cryptographic verification

Anjuna Northstar

Confidential Computing clean room platform for secure multi-party data sharing.

Duality Confidential Computing Platform

Secure multiparty data collaboration platform using TEEs for AI/ML workloads.

Duality Platform

Privacy-preserving data collaboration platform using HE, MPC, FL, and TEE.

Duality Technologies AI Assistant

Privacy-preserving AI research assistant for secure analysis of sensitive data.

Duality Query

Privacy-preserving query platform using FHE to query encrypted, siloed datasets.

enclaive Always Encrypted Nextcloud

Confidential Computing-based Nextcloud hosting with runtime encryption.

enclaive Dyneemas Confidential K8s

Confidential K8s platform using secure enclaves to protect containerized workloads.

Enclaive Managed Databases w/ Data-in-Use Encryption

Managed DB hosting with encryption at rest, in transit, and in use.

Enveil ZeroReveal

PET suite for encrypted search and ML across data boundaries.

Oblivious OBLV Deploy

Confidential computing platform deploying apps to secure enclaves, no code changes needed.

PrivateCore vCage

Secures cloud servers from APTs, malicious hardware, and insider threats.

Protopia Roundtrip Protection (SGT)

Eliminates plaintext LLM inference exposure via client-side data transformation.

TripleBlind

Privacy-preserving platform for secure data collaboration & AI on encrypted data.

Belfort

Hardware-accelerated FHE platform for processing data without decrypting it.

ARM TrustZone

ARM TrustZone provides a secure execution environment for applications on ARM processors.