nomoat / Agent37 / Alternatives
Alternatives to Agent37
Agent37: Cheap cloud sandboxes that host AI agent harnesses and background jobs for developers, billed by the minute. Here are 24 other products that do a similar job. Of these, 17 have a free plan, 1 sells for a one-off price.
- 0sql
Model your data warehouse in YAML, then send business-term queries and get back one deterministic SQL statement.
Since 2026
Developer tools · Developers
- BlitzGraph
A hosted graph backend that AI coding agents can query with typed JSON instead of SQL, reachable over MCP.
Since 2026
Free plan · Developer tools · Developers
- Clor
Runs Claude Code and Codex jobs in parallel inside isolated containers, locally or on cloud runners, with memory shared across them.
Since 2018
Free plan · Developer tools · Developers
- DashClaw
Holds risky actions from unattended AI coding agents until someone approves them from a dashboard or phone, and logs each decision.
Since 2026
Free trial · Security and passwords · Developers
- display.dev
Publish HTML or Markdown made by coding agents to a private link where your team can comment and see each version.
Since 2026
Free plan · Documents and e-signature · Agencies
- Failproof AI
Traces AI coding agent runs, spots where they fail and enforces rules that stop repeat failures as they happen.
Since 2026
Free plan · Uptime and monitoring · Developers
- InstaVM
Gives AI agents isolated cloud VMs with snapshots, storage and egress rules, driven by an API or CLI.
Since 2025
Free plan · Developer tools · Developers
- machine0
Persistent cloud virtual machines with up to 60 vCPUs and optional GPUs, which coding agents drive via CLI or MCP, charged per minute.
Since 2026
Pay as you go · Developer tools · Developers
- Okteto
Gives AI coding agents and developers isolated full-stack environments on your own Kubernetes setup to test code against real services.
Since 2025
Free plan · Developer tools · Developers
- SigmaShake
Checks each tool call from AI coding agents against your rules and blocks or rewrites risky ones before they run.
Since 2026
Subscription · Security and passwords · Developers
- Spunto
Hosted Firecracker sandboxes for coding agents that pause with their memory kept and bill by the minute.
Since 2026
Subscription · Developer tools · Developers
- Velane
Hosts agents, small APIs and internal tools with sandboxes, secrets, environments and many app connections, run from your editor.
Since 2026
Free plan · Developer tools · Developers
- Yokka
A kanban board that shows what each AI coding agent is doing and alerts you when one needs your input.
Since 2026
Free plan · Projects and tasks · Developers
- AgentLine
Gives AI agents a US or Canadian phone number for calls and SMS, usable over MCP, REST or an agent skill.
Since 2026
Free plan · Developer tools · Developers
- AI Commander
Lets AI assistants like Claude, Codex or ChatGPT run shell commands and background jobs on machines you own, with no inbound ports opened.
Since 2026
Free plan · Developer tools · Developers
- Lumbox
Gives each AI agent a real email address, and soon a phone number, so it can read mail, reply and use login codes.
Since 2026
Free plan · Developer tools · Developers
- Preloop
Open-source gateway that tracks spend, sets budgets and requires approvals for AI coding agents and their tool calls.
Since 2026
Free · Security and passwords · Developers
- Vericto
Checks the SQL your AI agents write and blocks destructive queries, masks private columns and keeps a signed audit log.
Since 2026
Free plan · Security and passwords · Developers
- AgentDM
Gives each AI agent an alias so agents and people can message each other over MCP and A2A, with a Slack bridge.
Since 2026
Free plan · Developer tools · Developers
- AgentsProof
Traces AI agent runs, scores them against your own rules and test cases, and gives a shareable report link.
Since 2026
Free plan · Developer tools · Developers
- AgentWatch
A proxy that watches AI agent calls, spots runaway loops and blocks requests once a spending limit is hit.
Since 2026
Free plan · Uptime and monitoring · Developers
- Antifailure
Gives each pull request a throwaway copy of production with masked data so teams and agents can test migrations and load first.
Since 2026
Developer tools · Developers
- AppDesk
Lets Apple app developers view their sales, rankings, ad spend and reviews on iPhone, iPad or Mac, even without a connection.
Since 2026
One-off payment · Website analytics · Developers
- AQ
A shared workspace where teams run Claude Code, Codex and other coding agents on tasks, scheduled bots and reviewed pull requests.
Since 2026
Free plan · Developer tools · Developers