nomoat / Fonoster / Alternatives
Alternatives to Fonoster
Fonoster: Build and run AI voice agents that answer and place real phone calls, on their cloud or your own servers. Here are 24 other products that do a similar job. Of these, 18 have a free plan.
- Dograh
Open-source builder for AI phone agents that take and make calls, run on your servers or in their cloud.
Customer support
- Grepture
Gateway that sits in front of your LLM calls to log traces, track cost, run evals and strip personal data.
Free plan · Security and passwords · Developers
- Spanlens
Logs every LLM call with cost, latency and agent traces once you change one base URL; hosted or self-hosted.
Free plan · Uptime and monitoring · Developers
- VoidLLM
Self-hosted gateway that routes your team's LLM requests across providers with keys, limits and usage tracking, without logging prompts.
Since 2026
Free plan · Developer tools · Developers
- cloro
API that fetches Google results and answers from ChatGPT, Gemini and others as clean data, for SEO tracking.
Since 2025
Subscription · SEO · Agencies
- CostHawk
Shows engineering leaders how much their team uses AI models, what it costs and who is getting value from it.
Since 2026
Subscription · Developer tools · Developers
- LLM Gateway
One OpenAI-compatible API that routes requests to hundreds of models from many providers and tracks what each call costs.
Free plan · Developer tools · Developers
- Retrace
Records each model and tool call an AI agent makes so developers can rerun failures, branch from a step and test fixes.
Since 2026
Free plan · Developer tools · Developers
- Revdoku
Gives AI agents email inboxes of their own to get mail, reply and keep files, with spam filtering, via API, MCP or CLI.
Free plan · Developer tools · Developers
- Selfship
Watches your AI agent's real traffic, finds where it fails customers and opens tested pull requests with fixes.
Since 2026
Subscription · Uptime and monitoring · 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
- 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
- Aurora Gateway
Self-hosted gateway that routes, caches and tracks your app's requests to OpenAI, Anthropic and other LLM providers.
Since 2026
Free plan · Developer tools · Developers
- Bifrost
Open-source gateway that routes app requests to many LLM providers, with budgets, guardrails and logging.
Free · Developer tools · Developers
- bugzero
For developers: pulls crash reports out of Sentry or PostHog, drafts a fix in your own GitHub Actions with your AI key, and opens a PR.
Since 2026
Free plan · Developer tools · Developers
- ContextVault
A shared memory store that lets a team's AI assistants save and reuse knowledge across sessions and tools.
Since 2026
Free plan · Developer tools · Developers
- Dexio
A hosted wiki that Claude, ChatGPT, Cursor and other AI agents share through MCP, so people can see and edit what the agents know.
Free plan · Developer tools · Developers
- Directus
Connects to any SQL database and gives you APIs plus a no-code admin app, used as a headless CMS or backend.
Website builders · Agencies
- EventSend
Send app events with one HTTP call, then search them and get them delivered to Slack, Discord, Telegram or webhooks.
Since 2026
Free plan · Developer tools · Developers
- Forth MCP
Relay that lets Claude, ChatGPT and other MCP clients reach MCP servers inside your network without opening ports.
Since 2026
Free plan · Developer tools · Developers
- KeyID
Hosted service that gives each AI agent its own inbox, phone number, storage and 2FA on domains kept for your project.
Since 2026
Subscription · Developer tools · Developers
- localscreenshot
Lets AI assistants and developers grab clean web page screenshots from 227 countries through MCP, a CLI or a REST API.
Free plan · Developer tools · Agencies
- Retroguard
Drop in proxy for OpenAI and Anthropic calls that blocks leaked data, prompt injection and off policy replies.
Since 2026
Free plan · Security and passwords · Developers