OpenBB alternatives

Founded 2021 by Didier Lopes; OSS investment-research platform — Bloomberg-Terminal-alternative. AGPLv3 + commercial OpenBB Pro. $11M seed 2022 (OSS Capital + Y Combinator). AI agent (OpenBB Copilot) launched 2024. Full OpenBB record →

  1. 1 Garak Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ✓ MCP ? ★ 9.7k released 2026-10-16 Apache-2.0 Compare with OpenBB →

  2. 2 RunWhen Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also open source · also self-hostable · also has MCP

    OSS ✓ Self-host ✓ Managed ? MCP ✓ ★ 26 Apache-2.0 Compare with OpenBB →

  3. 3 Specter Ops BloodHound Enterprise Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also open source · also self-hostable

    OSS ✓ Self-host ✓ Managed ? MCP ? ★ 3.5k released 2026-10-26 BloodHound OSS Apache-2.0 (Enterprise is… Compare with OpenBB →

  4. 4 Promptfoo Use-case-specific agent harnesses ⚠ acquired — acquired by OpenAI

    also in Use-case-specific agent harnesses · same memory unit (turn) · also open source · also self-hostable · also has MCP

    OSS ✓ Self-host ✓ Managed ✓ MCP ✓ ★ 27k released 2026-10-25 MIT Compare with OpenBB →

  5. 5 Sakana AI Scientist Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also self-hostable

    OSS — Self-host ✓ Managed ✓ MCP ? ★ 15k The AI Scientist Source Code License v1.0… Compare with OpenBB →

  6. 6 Datadog Bits AI Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also has MCP

    OSS ? Self-host — Managed ✓ MCP ✓ Compare with OpenBB →

  7. 7 Dynatrace Davis CoPilot (now Dynatrace Assist) Use-case-specific agent harnesses ⚠ renamed — now Dynatrace Assist

    also in Use-case-specific agent harnesses · same memory unit (turn) · also has MCP

    OSS ? Self-host ? Managed ? MCP ✓ Compare with OpenBB →

  8. 8 HubSpot Breeze AI Agents Use-case-specific agent harnesses

    also in Use-case-specific agent harnesses · same memory unit (turn) · also has MCP

    OSS ? Self-host ? Managed ? MCP ✓ Compare with OpenBB →

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.