Alternatives
10 best OpenSEO alternatives
Tools that cover the same task as OpenSEO (ai agent security), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 8, 2026.
- OpenSEO starts at
- Not listed
- Free plan
- Free plan
- API
- API available
- 01
Arcjet
Arcjet supplies application and agent protections including bot detection, rate limits, sensitive-data checks and prompt-injection detection. SDKs, agent guards and MCP tooling let developers apply checks around requests and tool actions.
Best for: Choose it when developers need configurable request and tool-action checks in their application or agent runtime.
- 02
n8n
n8n is a workflow automation platform combining visual builders with code-friendly nodes, AI agents, and MCP integrations. Cloud and self-hosted plans meter monthly workflow executions rather than charging per step.
Best for: Technical teams automating integrations and AI agents who need self-host or EU-hosted cloud options.
- 03
Pritunl
Pritunl is an open-source enterprise VPN platform for OpenVPN, WireGuard, and IPsec with a web management UI, multi-host clustering over MongoDB, and optional premium features such as SSO and site-to-site links. It targets self-hosted remote access and VPC peering across clouds.
Best for: Infrastructure teams needing self-hosted VPN with horizontal scaling and enterprise authentication options.
- 04
Trylle
Trylle hosts Git repositories with CI compute and AI-assisted pull-request reviews, security audits and automations. Plans combine repository storage with separate monthly CI and AI credit grants.
Best for: Choose it when you want Git hosting, CI and agent-assisted reviews with explicit usage grants.
- 05
Laminar
Laminar is an open-source agent observability platform that captures LLM calls, tool calls, sub-agents, costs, and tokens, then surfaces failures through Signals and clustered failure modes. Hosted plans add retention, data limits, and support tiers for teams shipping production agents.
Best for: Engineering teams running AI agents who need trace visibility, automatic failure detection, and hosted retention without building observability in-house.
- 06
Vendo
Vendo embeds an open-source agent inside SaaS products so end users can automate work, build views, and connect tools under tenant guardrails. Pricing includes a free developer tier with included usage credits and paid Pro or Teams plans with publishing, tenant orgs, governance, and published token rates.
Best for: Product teams adding in-app AI copilots, automations, and tenant-scoped integrations without rebuilding agent infrastructure.
- 07
Novu
Novu is open-source notification infrastructure for connecting AI agents and products to customers across in-app, email, SMS, push, WhatsApp, Slack, Teams, and Telegram channels. Cloud plans meter workflow runs while enterprise options add compliance, residency, and self-hosted deployment.
Best for: Product and platform teams that need multi-channel notification workflows with inbox components and usage-based scaling.
- 08
Kompy
Plans meter monthly credits with concurrency and request-rate limits for developers and AI agents.
Best for: Developers and agent builders who need structured Walmart catalog and pricing history without maintaining scrapers.
- 09
Mem0
Mem0 provides persistent memory infrastructure for AI agents and applications so context survives across sessions, users, and agents. The platform offers hosted plans with SDK integration plus open-source options for developers building production agents that need durable recall.
Best for: Agent builders and app teams that need hosted memory layers with defined add and retrieval quotas.
- 10
Letta
Letta is an AI research lab and product company building stateful agents whose memory and capabilities evolve over time, originating from MemGPT research. It ships Letta Agent software, a CLI, and cloud plans for individuals, teams, and API developers.
Best for: Engineers and teams building long-horizon coding or workflow agents that need durable memory and sandboxed execution.
OpenSEO alternatives: common questions
What is the best free alternative to OpenSEO?
Pritunl has an ongoing free plan. Community plan is free for a single host with unlimited users, devices, and VPN servers on that host. Free plans change, so check the vendor before relying on one.
What is the cheapest OpenSEO alternative?
Trylle has the lowest listed starting price at $4/mo.
Which OpenSEO alternatives have an API?
Arcjet, n8n, Pritunl, Vendo, Novu mention API or developer access.