Galileo (galileo.ai) (now Splunk Agent Observability) alternatives

Acquired by Cisco (announced 2026-04-09, closed by 2026-05); now Splunk Agent Observability. Treats memory as first-class in multi-agent tracing. Luna-2 SLMs (3B / 8B) scan every interaction for intent drift and belief drift; 20+ checks at sub-200ms latency. Full Galileo (galileo.ai) (now Splunk Agent Observability) record →

  1. 1 n8n AI Agent Memory Framework-embedded memory

    same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS — Self-host ✓ Managed ✓ MCP ✓ ★ 208k released 2026-10-19 Sustainable Use License + n8n Enterprise… Compare with Galileo (galileo.ai) (now Splunk Agent Observability) →

  2. 2 Mem0 Dedicated memory layers

    same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 67k released 2026-09-25 Apache-2.0 Compare with Galileo (galileo.ai) (now Splunk Agent Observability) →

  3. 3 Hindsight (Vectorize) Dedicated memory layers

    same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 45k released 2026-10-21 MIT Compare with Galileo (galileo.ai) (now Splunk Agent Observability) →

  4. 4 Botpress LLMz Framework-embedded memory

    same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 15k MIT (SDK/integration packages in… Compare with Galileo (galileo.ai) (now Splunk Agent Observability) →

  5. 5 Omi Voice-first / wearable AI memory

    same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 13k released 2026-10-22 MIT Compare with Galileo (galileo.ai) (now Splunk Agent Observability) →

  6. 6 Letta / MemGPT Dedicated memory layers

    same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 3.7k released 2026-10-29 Apache-2.0 Compare with Galileo (galileo.ai) (now Splunk Agent Observability) →

  7. 7 CrewAI Memory Framework-embedded memory

    same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 51k released 2026-10-14 MIT Compare with Galileo (galileo.ai) (now Splunk Agent Observability) →

  8. 8 Agno (Phidata) Memory Framework-embedded memory

    same storage (vector) · same retrieval (similarity) · same memory unit (episode) · also self-hostable · also offered managed · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 43k released 2026-10-21 Apache-2.0 Compare with Galileo (galileo.ai) (now Splunk Agent Observability) →

Ranked by shared memory design (storage, retrieval, conflict handling, memory unit), same section and shared must-haves (open source, self-hosting, MCP), with adoption as a tie-breaker. ✓ confirmed · — no · ? not in the catalog yet. Want picks for your own requirements? Use the chooser. Checking a whole project? Check your stack.