Alternatives
10 best fastn.ai alternatives
Tools that cover the same task as fastn.ai (code), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- fastn.ai starts at
- $500/mo
- Free plan
- Free plan
- API
- API available
- 01
Executor
Executor is an open-source gateway that connects AI agents to the SaaS tools a team already uses, with cloud hosting and optional self-hosted enterprise deployment. It emphasizes safe tool execution, verified domains, and a single integration surface for agent workflows.
Best for: Engineering teams wiring multiple AI agents into CRMs, dev tools, and internal SaaS without rebuilding each integration per agent.
- 02
Keragon
Keragon is a HIPAA-compliant healthcare automation platform with no-code workflows, AI agents, and 400+ integrations. Clinics and digital health companies automate intake, scheduling, billing, and patient communication while keeping data on Keragon’s compliant infrastructure.
Best for: Healthcare practices and digital health startups automating patient ops without custom engineering.
- 03
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.
- 04
Voker
Voker is an analytics platform for AI agents in production, capturing intents, corrections, and resolutions from live conversations. SDKs wrap popular LLM providers so teams can monitor agent quality without digging through raw logs.
Best for: Product and engineering teams shipping customer-facing AI agents who need usage analytics and optimization signals.
- 05
Kilvin
Kilvin is an AI-native software agency and workspace platform that builds custom internal apps for teams instead of forcing generic SaaS templates. Customers use a shared secure workspace with databases, file storage, access controls, and an embedded build agent, or hire Kilvin engineers for managed delivery.
Best for: AI-forward teams needing bespoke internal tools, dashboards, and workflows hosted in a private Kilvin workspace.
- 06
Softr
Softr helps teams build client portals, internal tools, and lightweight apps on top of databases with AI app generation, forms, workflows, MCP-connected agents, and mobile views. Builders connect Airtable, SQL, and other sources, then publish authenticated experiences without custom front-end code.
Best for: Ops teams and startups that need gated portals and internal tools on live business data without hiring full-stack developers.
- 07
GitHub Copilot
GitHub Copilot is GitHub's AI coding agent suite spanning IDE completion, chat, agent mode, code review, CLI, and cloud agents. Individual plans meter GitHub AI Credits for chat and agent usage while Free offers limited access and paid tiers raise credit allotments.
Best for: Developers who want Copilot embedded in GitHub workflows from local IDE assistance through cloud agents.
- 08
Lamatic AI
Lamatic AI is agentic middleware for teams to design, deploy, and optimize generative AI applications. Its visual builder, serverless deploy layer, and optimization tooling connect to hundreds of models and integrations for production agent workflows.
Best for: Product and engineering teams shipping GenAI features who want a visual builder with serverless deploy and observability without rebuilding infrastructure.
- 09
Browserbase
Usage-based plans start free and scale to Developer and Startup tiers for production agent workloads.
Best for: Teams building agents that must browse, authenticate, and extract data from sites without traditional APIs.
- 10
Composio
Composio is an agent integration platform with 1,500+ toolkits, OAuth and trigger handling, SDKs, CLI, and MCP endpoints so coding agents and chat apps can call Gmail, Slack, GitHub, and other SaaS APIs securely. Hobby and Pro tiers meter tool calls and triggers while Enterprise adds SSO, governance, and custom billing.
Best for: Developers and teams shipping agents in Claude, Cursor, Codex, or custom harnesses who need managed OAuth, triggers, and a broad SaaS action catalog.
fastn.ai alternatives: common questions
What is the best free alternative to fastn.ai?
Executor has an ongoing free plan. Pricing lists a Get started tier at $0/month for up to three members with 100,000 executions per month. Free plans change, so check the vendor before relying on one.
What is the cheapest fastn.ai alternative?
GitHub Copilot has the lowest listed starting price at $10/mo, compared with $500/mo for fastn.ai.
Which fastn.ai alternatives have an API?
Executor, Keragon, Vendo, Softr, Lamatic AI mention API or developer access.