Alternatives
10 best Udon alternatives
Tools that cover the same task as Udon (ai agent security), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 8, 2026.
- Udon starts at
- Not listed
- Free plan
- Free trial
- API
- API available
- 01
Avo Admin for Rails
Avo is a Rails admin panel framework that mounts inside existing apps and maps models to CRUD interfaces, filters, actions, and authorization in Ruby. Teams use it to replace bespoke admin builds with configurable resources, dashboards, and optional AI-agent integrations.
Best for: Rails teams shipping internal tools, back-office panels, or customer support consoles without writing admin UI from scratch.
- 02
Pinata IPFS
Pinata provides autonomous IPFS file storage with uploads, pinning, gateways, and developer APIs so teams can add decentralized file retrieval without running their own IPFS infrastructure. Pricing publishes Free, Picnic, and Fiesta monthly tiers with storage, bandwidth, and agent limits.
Best for: Developers and Web3 teams needing hosted IPFS pinning, gateways, and file APIs for apps and NFT media.
- 03
Quicknode
Quicknode provides blockchain infrastructure including RPC nodes, real-time streams, indexed data, and trading execution from one account. Builders choose credit-based plans with increasing request limits and support SLAs as usage grows.
Best for: Developers and businesses shipping on-chain apps who need managed nodes, streams, and scalable RPC throughput.
- 04
exchangerate.host
ExchangeRate.host provides a free forex and currency conversion API with optional paid subscriptions for higher request volumes.
Best for: Developers building multi-currency apps who need scalable rate limits beyond the free entry tier.
- 05
Medplum
Medplum is an open-source healthcare developer platform for building and running modern clinical apps on FHIR-native infrastructure. It offers hosted cloud tiers and self-hosted options with bots, integrations, authentication, and compliance features aimed at digital health teams shipping production patient-facing software.
Best for: Healthcare engineering teams building FHIR-based apps who need an open-core platform with hosted or self-managed deployment paths.
- 06
dlvr.sh
dlvr.sh is a developer-first temporary file sharing service positioned as a WeTransfer alternative for AI agents and automation. It offers short links, expiry controls, passwords, download limits, and API, MCP, and CLI access for delivering large files without long-term storage contracts.
Best for: Developers, agencies, and agent workflows that need expiring, password-protected file handoffs with programmatic uploads.
- 07
Clappia
Clappia is a no-code platform for building business apps with workflows, forms, and integrations without traditional development. The vendor targets operations teams that need custom internal tools, with pricing tiers based on submissions, workflow executions, and per-user seats.
Best for: Operations and business teams replacing spreadsheets with custom no-code apps and approval workflows.
- 08
RepoFlow
RepoFlow is a package management platform for hosting private and public artifacts in the cloud or on self-managed infrastructure. The site highlights storage and bandwidth limits, AI-assisted workflows, and team workspaces for DevOps package publishing.
Best for: Development teams that need managed artifact registries with predictable cloud quotas and optional self-hosted deployment.
- 09
HeroTofu.com
HeroTofu provides form endpoints and a form backend for static sites: point HTML forms at HeroTofu URLs to collect submissions via email, Slack, Zapier, spam filtering, and encrypted archives without server code.
Best for: Freelancers, agencies, and static-site developers who need hosted form handling and integrations.
- 10
Revdoku
Revdoku gives AI agents dedicated email inboxes with cloud storage, attachment handling, and REST, CLI, or MCP access. Teams provision mailboxes, connect AI workflows, and manage files generated by agents or APIs under EU hosting options.
Best for: Developers building AI agents that need real email addresses and file storage integrations.
Udon alternatives: common questions
What is the best free alternative to Udon?
Avo Admin for Rails has an ongoing free plan. Community plan is free forever for open-source use with core CRUD and theming features. Free plans change, so check the vendor before relying on one.
What is the cheapest Udon alternative?
dlvr.sh has the lowest listed starting price at $8/mo.
Which Udon alternatives have an API?
Avo Admin for Rails, Pinata IPFS, Quicknode, exchangerate.host, Medplum mention API or developer access.