nomoat / Langtail / Alternatives
Alternatives to Langtail
Langtail: Lets product teams write, test, version and deploy LLM prompts in a spreadsheet style workspace, with guards against unsafe output. Here are 24 other products that do a similar job. Of these, 19 have a free plan.
- 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
- 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