nomoat / Marginal / Alternatives
Alternatives to Marginal
Marginal: Tracks what each LLM call costs and breaks the spend down by customer, feature or model, so software teams can see why bills rise. Here are 24 other products that do a similar job. Of these, 20 have a free plan.
- 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
- 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
- AgentOps
Tracks, replays and debugs AI agent runs so developers can see each LLM call, tool use and error.
Since 2023
Free plan · Uptime and monitoring · 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
- 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
- cloro
API that fetches Google results and answers from ChatGPT, Gemini and others as clean data, for SEO tracking.
Since 2025
Subscription · SEO · Agencies
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- MemorySync
An API and SDKs that let AI applications store, recall and forget long-term user context.
Since 2026
Free plan · Developer tools · Developers
- memsprout
Team members record their knowledge once and an MCP server passes it to ChatGPT, Copilot, Cursor and Claude Code as shared context.
Since 2026
Subscription · 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
- 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
- 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