Software Alternatives & Startups

HandoffProbe

Open-source security testing for A2A → MCP agent handoffs and cross-protocol AI agent systems. - Heaviside479/handoffprobe.

HandoffProbe

HandoffProbe Alternatives & Competitors

  1. 2

    The AI Security Platform that catches vulnerabilities in development. Trusted by 156 of the Fortune 500 and 300,000+ developers worldwide.

    Key Promptfoo features:

    Open source and free to start Declarative, config-driven testing Broad model and provider support Built-in red teaming and security scanning

    /promptfoo-alternatives
  2. 1

    Langfuse is an open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications.

    Key Langfuse features:

    User-Friendly Interface Integration Capabilities Comprehensive Analysis Tools

    Open Source

    /langfuse-alternatives
  3. Consent-Based Identification of the Person Visiting Your Website Including First Name, Last Name, Email & 37 Other Data Points. Identify and Influence Your Engaged Website Visitors into Sales-Ready Leads – Before You Commit a Single Working Hour.

    Key VisualVisitor features:

    AI Sales Rep WebID +Person (B2C) WebID +Employee (B2B) Who To Contact - Contact Database (B2B)

    Try for free paid Free Trial $299 / Monthly (WebID Includes 1,000 Identifications ) Sponsored

    Try for free
  4. 1

    Provael tests VLA robot policies in simulation: an attack-success rate with a 95% CI and a benign control. Open-source tool, plus scoped assessments.

    /provael-alternatives
  5. 1

    Centralized developer AI Gateway. Protect your production applications from prompt injections, runaway costs, and provider outages under 5ms.

    Key Corrath features:

    Unable to verify Modern web presence Potential niche focus Possible SaaS model

    /corrath-alternatives
  6. 1

    Build better AI systems with evals, RAG, agents, synthetic data, fine-tuning, and prompt optimization. Free app + open-source library.

    Key Kiln AI features:

    Free and privacy-focused No-code workflow for the full LLM lifecycle Broad model and provider support Built-in evals and synthetic data tooling

    /kiln-ai-alternatives
  7. 0

    Open-source LLM Observability for Developers.

    /helicone-ai-alternatives
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